<!-----PRELOAD NONAMIMATING IMAGES------------------------>
pics = new Array();
pics[0] = new Image(); pics[0].src = "/vdac/images/button_feasibility.gif";
pics[1] = new Image(); pics[1].src = "/vdac/images/button_save-changes.gif";
pics[2] = new Image(); pics[2].src = "/vdac/images/button_ptno.gif";

IE4 = (document.all && !document.getElementById) ? true : false;
NS4 = (document.layers) ? true : false;
IE5 = (document.all && document.getElementById) ? true : false;
NS6 = (document.getElementById && !document.all) ? true : false;

<!---------FUNCTION--------------------------------------------------->
function Vin_onchange() {

clear_power();
clear_results("elec");

if (dc.Vin.selectedIndex == 0) clear_vin();

if (dc.Vin.selectedIndex == 1) {
    clear_vin();
    base_minmax();
} //if

if (dc.Vin.selectedIndex > 1) {

    clear_vin();

    range = dc.Vin.options[dc.Vin.selectedIndex].text;

    l_beg = range.indexOf("(")+1;
    l_end = range.indexOf("-");

    h_beg = range.indexOf("-")+1;
    h_end = range.indexOf(")")-1;

    dc.vin_ll.value = range.substring(l_beg,l_end);
    dc.vin_hl.value = range.substring(h_beg,h_end);

    txtSelected = dc.Vin.options[dc.Vin.selectedIndex].text;
    txtVinNom = txtSelected.substring(0, txtSelected.indexOf(' '));
    dc.vin_nom.value = txtVinNom;

    lockout();

    if (dc.Vout.selectedIndex > 1)
        alert("You have selected a predefined input \n" +
              "voltage and a predefined output voltage. \n\n" +
              "You may want to consider designing a \n" +
              "Predefined Module instead of a User Defined \n" +
              "Module to save lead time and NRE charge.");
} //if

} //function

<!---------FUNCTION--------------------------------------------------->
function base_minmax() {
    dc.vin_ll_min.value = "18";
    dc.vin_ll_max.value = "303";  // 425/1.4 rounded down to nearest int
    dc.vin_hl_min.value = "26";   // 18 * 1.4 rounded up to nearest int
    dc.vin_hl_max.value = "425";
} //function

<!---------FUNCTION--------------------------------------------------->
function lowline_minmax() {

    vin_ll_min1 = parseFloat(dc.vin_hl.value) / 2.1;
    vin_ll_max1 = parseFloat(dc.vin_hl.value) / 1.4;

    if (grp == 4) vin_ll_min = Math.ceil(vin_ll_min1);
    else vin_ll_min = Math.max(Math.ceil(vin_ll_min1), 18);
    vin_ll_max = Math.floor(vin_ll_max1);

    dc.vin_ll_min.value = vin_ll_min;
    dc.vin_ll_max.value = vin_ll_max;

    //050523
    if (grp != 4 &&
        dc.vin_ll.value != "" &&
       (parseFloat(dc.vin_ll.value) < vin_ll_min ||
        parseFloat(dc.vin_ll.value) > vin_ll_max)) {
        dc.vin_ll.value = "";
    }

    if (dc.vin_ll.value == "") setTimeout("dc.vin_ll.focus();",1);

} //function

<!---------FUNCTION--------------------------------------------------->
function highline_minmax() {

    vin_hl_min1 = parseFloat(dc.vin_ll.value) * 1.4;
    vin_hl_max1 = parseFloat(dc.vin_ll.value) * 2.1;

    vin_hl_min = Math.ceil(vin_hl_min1);
    if (grp == 4) vin_hl_max = Math.floor(vin_hl_max1);
    else vin_hl_max = Math.min(Math.floor(vin_hl_max1), 425);

    dc.vin_hl_min.value = vin_hl_min;
    dc.vin_hl_max.value = vin_hl_max;

    //050523
    if (grp != 4 &&
        dc.vin_hl.value != "" &&
       (parseFloat(dc.vin_hl.value) < vin_hl_min ||
        parseFloat(dc.vin_hl.value) > vin_hl_max)) {
        dc.vin_hl.value = "";
    }

    if (dc.vin_hl.value == "") setTimeout("dc.vin_hl.focus();",1);

} //function

<!---------FUNCTION--------------------------------------------------->
function lowline_onchange() {

//IE -- FOR ie_onchange
feObj = dc.vin_ll;
feVal = dc.vin_ll.value;

if (isNumber(dc.vin_ll)) {

    dc.vin_nom.value = "";
    dc.vin_uvlockout.value = "";
    dc.vin_ovlockout.value = "";

    clear_power();
    clear_results("elec");

    if (dc.vin_ll.value == "") {
        dc.vin_hl_min.value = "";
        dc.vin_hl_max.value = "";
        if (dc.vin_hl.value == "") base_minmax();
        if (dc.vin_hl.value != "") lowline_minmax();
    } //if

    else if (grp != 4 &&
       (parseFloat(dc.vin_ll.value) < 18 || parseFloat(dc.vin_ll.value) > 303)) {

        alert("Please enter a number from 18 to 303.");
        clear_vin();
        base_minmax();
        setTimeout("dc.vin_ll.focus();",1);

    } //else if
    else {

        //050523
        if (grp != 4 &&
           (parseFloat(dc.vin_ll.value) < parseFloat(dc.vin_ll_min.value) ||
            parseFloat(dc.vin_ll.value) > parseFloat(dc.vin_ll_max.value))) {

            base_minmax();
        }

        highline_minmax();
        if (dc.vin_ll.value != "" && dc.vin_hl.value != "") lockout();

        //IE -- IF DATA ENTERED IS OK, NO NEED TO EXECUTE
        //THIS ONCHANGE VIA ie_onchange ONBLUR
        feObj = null;
        feVal = null;

    } //else

} //if isNumber
} //function

<!---------FUNCTION--------------------------------------------------->
function highline_onchange() {

//IE -- FOR ie_onchange
feObj = dc.vin_hl;
feVal = dc.vin_hl.value;

if (isNumber(dc.vin_hl)) {

    dc.vin_nom.value = "";
    dc.vin_uvlockout.value = "";
    dc.vin_ovlockout.value = "";

    clear_power();
    clear_results("elec");

    if (dc.vin_hl.value == "") {
        dc.vin_ll_min.value = "";
        dc.vin_ll_max.value = "";
        if (dc.vin_ll.value == "") base_minmax();
        if (dc.vin_ll.value != "") highline_minmax();
    } //if

    else if (grp != 4 &&
            (parseFloat(dc.vin_hl.value) < 26 || parseFloat(dc.vin_hl.value) > 425)) {

        alert("Please enter a number from 26 to 425.");
        clear_vin();
        base_minmax();
        setTimeout("dc.vin_hl.focus();",1);

    } //else if
    else {

        //050523
        if (grp != 4 &&
           (parseFloat(dc.vin_hl.value) < parseFloat(dc.vin_hl_min.value) ||
            parseFloat(dc.vin_hl.value) > parseFloat(dc.vin_hl_max.value))) {

            base_minmax();
        }

        lowline_minmax();
        if (dc.vin_ll.value != "" && dc.vin_hl.value != "") lockout();

        //IE -- IF DATA ENTERED IS OK, NO NEED TO EXECUTE
        //THIS ONCHANGE VIA ie_onchange ONBLUR
        feObj = null;
        feVal = null;

    } //else

} //if isNumber
} //function

<!---------FUNCTION--------------------------------------------------->
function lowHighLine_onfocus(obj) {

if (dc.Vin.selectedIndex == 0) {
    alert("First, please select Predefined or User Defined.");
    setTimeout('dc.Vin.focus();',1);
} //if no Vin selection

else if (dc.Vin.selectedIndex > 1) {
    alert('To enter a custom value here,\nplease select "User Defined" in the list above.');
    setTimeout('dc.Vin.focus();',1);
} //if predefined Vin selection

//050523
else if (obj == dc.vin_ll) {
    if (dc.vin_hl.value != "") lowline_minmax();
} //if predefined Vin selection

else if (obj == dc.vin_hl) {
    if (dc.vin_ll.value != "") highline_minmax();
} //if predefined Vin selection

} //function

<!--------FUNCTION----------------------------------------->
function vin_nom_onfocus() {

    //DUPLICATED UNDER dont_touch_except(form_element)

    if (dc.Vin.selectedIndex == 0) {
        alert("First, please select Predefined or User Defined.");
        setTimeout('dc.Vin.focus();',1);
    } //if no Vin selection

    else if (dc.Vin.selectedIndex > 1) {
        alert('To enter a custom value here,\nplease select "User Defined" in the list above.');
        setTimeout('dc.Vin.focus();',1);
    } //if predefined Vin selection

    else if (dc.vin_ll.value == "" || dc.vin_hl.value == "") {
        alert("First, please enter Low Line and High Line.");
        if (dc.vin_ll.value == "") setTimeout('dc.vin_ll.focus();',1);
        else if (dc.vin_hl.value == "") setTimeout('dc.vin_hl.focus();',1);
    }

} //function

<!---------FUNCTION--------------------------------------------------->
function vin_nom_onchange() {

//IE -- FOR ie_onchange
feObj = dc.vin_nom;
feVal = dc.vin_nom.value;

if (isNumber(dc.vin_nom)) {

    clear_results("elec");

        if (dc.vin_nom.value != "") {

            if (grp != 4) {

                if (parseFloat(dc.vin_nom.value) < parseFloat(dc.vin_ll.value) ||
                    parseFloat(dc.vin_nom.value) > parseFloat(dc.vin_hl.value)) {
                    alert("Please enter a number from " + dc.vin_ll.value + " to " + dc.vin_hl.value + ".");
                    dc.vin_nom.value = "";

                    //IE NEEDS setTimeout, OR IT WON'T FOCUS RIGHT AFTER ALERT
                    setTimeout("dc.vin_nom.focus();",1);
                } //if

            } //if grp != 4

        } //if not empty

        else {
            restore_vin_nominal();

            //IE -- IF DATA ENTERED IS OK, NO NEED TO EXECUTE
            //THIS ONCHANGE VIA ie_onchange ONBLUR
            feObj = null;
            feVal = null;
        } //else

} //if isNumber

} //function

<!---------FUNCTION--------------------------------------------------->
function restore_vin_nominal() {

    vinNom_before = dc.vin_nom.value;

    if (dc.vin_uvlockout.value != "" && dc.vin_ovlockout.value != "") {
        vin_nominal();
    }
    else lockout();

    vinNom_after = dc.vin_nom.value;

    if (vinNom_before != vinNom_after) clear_results("elec");

} //function

<!---------FUNCTION--------------------------------------------------->
function vin_nominal() { //called by lockout()
    dc.vin_nom.value = Math.round(((vin_hl - vin_ll) * .333333) + vin_ll);
} //function

<!---------FUNCTION--------------------------------------------------->
function lockout() {

    vin_uvl = parseFloat(dc.vin_ll.value) * .97;
    vin_ovl = parseFloat(dc.vin_hl.value) * 1.05;

    dc.vin_uvlockout.value = (Math.round(vin_uvl * 10)) / 10;
    dc.vin_ovlockout.value = (Math.round(vin_ovl * 10)) / 10;

    vin_hl = parseFloat(dc.vin_hl.value);
    vin_ll = parseFloat(dc.vin_ll.value);

    if (dc.Vin.selectedIndex == 1) { vin_nominal(); }

} //function

<!---------FUNCTION--------------------------------------------------->
function lockout_onchange(uvov) { // GRP 4 ONLY

clear_results("elec");

if (uvov == "uv") {
    if (parseFloat(dc.vin_uvlockout.value) < 0 ||
        parseFloat(dc.vin_uvlockout.value) > parseFloat(dc.vin_ll.value)) {
        alert("Please enter a number from 0 to " + dc.vin_ll.value + ".");
        dc.vin_uvlockout.value = "";
        setTimeout('dc.vin_uvlockout.focus();',1); }
} //if uv

if (uvov == "ov") {
    if (parseFloat(dc.vin_ovlockout.value) < parseFloat(dc.vin_hl.value)) {
        alert("Please enter a number greater than " + dc.vin_hl.value + ".");
        dc.vin_ovlockout.value = "";
        setTimeout('dc.vin_ovlockout.focus();',1); }
} //if ov

} // function

<!---------FUNCTION--------------------------------------------------->
function Vout_onchange() {

clear_power();
clear_results("elec");

if (dc.Vout.selectedIndex == 0) clear_vout();

if (dc.Vout.selectedIndex == 1) {
    clear_vout();
    vout_minmax(); }

if (dc.Vout.selectedIndex > 1) {
    clear_vout();
    dc.vout_setpoint.value = vouts[dc.Vout.selectedIndex - 2][0];
    ov_setpoint();
    if (grp != 4 && dc.Vin.selectedIndex > 1)
        alert("You have selected a predefined input \n" +
              "voltage and a predefined output voltage. \n\n" +
              "You may want to consider designing a \n" +
              "Predefined Module instead of a User Defined \n" +
              "Module to save lead time and NRE charge.");
} //if

if (grp !=4 &&
    dc.ptno.value.indexOf("VI-7") > -1 && dc.micro.checked == true &&
    parseFloat(dc.vout_setpoint.value) > 24) {
        alert("SORRY ...\n\nOutput voltages greater than 24V\nare not an option for Micro modules.");
        dc.Vout.selectedIndex = 0;
        clear_vout();
} //if >24Vout Micro

} //function

<!---------FUNCTION--------------------------------------------------->
function vout_minmax() {
    dc.vout_setpoint_min.value = "2";
    dc.vout_setpoint_max.value = "48";
} //function

<!---------FUNCTION--------------------------------------------------->
function setpoint_onfocus() {

if (dc.Vout.selectedIndex == 0) {
    alert("First, please select Predefined or User Defined.");
    setTimeout('dc.Vout.focus();',1);
} //if no Vout selection

else if (dc.Vout.selectedIndex == 1) {
    vout_minmax();
} //if user defined Vout selection

else if (dc.Vout.selectedIndex > 1) {
    alert('To enter a custom value here,\nplease select "User Defined" in the list above.');
    setTimeout('dc.Vout.focus();',1);
} //if predefined Vout selection

} //function

<!---------FUNCTION--------------------------------------------------->
function setpoint_onchange() {

//IE -- FOR ie_onchange
feObj = dc.vout_setpoint;
feVal = dc.vout_setpoint.value;

if (isNumber(dc.vout_setpoint)) {

    clear_power();
    clear_results("elec");

    if (dc.vout_setpoint.value == "") {
        dc.vout_ovsetpoint.value = ""; clear_power();
        vout_minmax(); }

    else if (grp != 4 &&
        (parseFloat(dc.vout_setpoint.value) < parseFloat(dc.vout_setpoint_min.value) ||
         parseFloat(dc.vout_setpoint.value) > parseFloat(dc.vout_setpoint_max.value))) {
        alert("Please enter a number from " + dc.vout_setpoint_min.value + " to " + dc.vout_setpoint_max.value + ".");
        dc.vout_setpoint.value = "";
        setTimeout("dc.vout_setpoint.focus();",1); }

    else {
        ov_setpoint();

        //IE -- IF DATA ENTERED IS OK, NO NEED TO EXECUTE
        //THIS ONCHANGE VIA ie_onchange ONBLUR
        feObj = null;
        feVal = null;
    }

} //if isNumber

} //function

<!---------FUNCTION--------------------------------------------------->
function ov_setpoint() {

    vout_ovsetpoint = (parseFloat(dc.vout_setpoint.value) + .5) * 1.15;
    dc.vout_ovsetpoint.value = (Math.round(vout_ovsetpoint * 10)) / 10;

} //function

<!---------FUNCTION--------------------------------------------------->
function extras(whichone) { // ONCHANGE, GRP 4 ONLY

clear_results("elec");

if (whichone == "ovsetpoint") {
    if (parseFloat(dc.vout_ovsetpoint.value) < parseFloat(dc.vout_setpoint.value)) {
        alert("Please enter a number greater than " + dc.vout_setpoint.value + ".");
        dc.vout_ovsetpoint.value = "";
        setTimeout("dc.vout_ovsetpoint.focus();",1); }
} //if

else if (whichone == "curlim") {

    /////THESE VARIABLES DEFINED IN power_range() AND mod_onclick()
    final_amps = (Math.ceil(mod_output/vout_sp * 10)) / 10;

    if (parseFloat(dc.pout_curlim.value) < mod_output/vout_sp) {
        alert("Please enter a number greater than " + final_amps + ".");
        dc.pout_curlim.value = "";
        setTimeout("dc.pout_curlim.focus();",1); }

} //if

} // function

<!---------FUNCTION--------------------------------------------------->
function watts_amps_onfocus(wa) {

if (dc.vin_ovlockout.value == "") {
    alert("First, please select input voltage above.");
    location.href = "#input_voltage";
    setTimeout('dc.Vin.focus();',1);
} //if

else if (dc.vout_ovsetpoint.value == "") {
    alert("First, please select output voltage above.");
    location.href = "#output_voltage";
    setTimeout('dc.Vout.focus();',1);
} //if

} //function

<!---------FUNCTION--------------------------------------------------->
function watts_onchange() {

//IE -- FOR ie_onchange
feObj = dc.watts;
feVal = dc.watts.value;

clear_power_checks();
clear_results("elec");

if (isNumber(dc.watts)) {

    if (dc.watts.value == "") {
        clear_power(); }

    else if (parseFloat(dc.watts.value) <= 0) {
        alert("Please enter a number greater than zero.");
        clear_power();
        setTimeout('dc.watts.focus();',1); }

    else {

        amps = parseFloat(dc.watts.value) / parseFloat(dc.vout_setpoint.value);
        dc.amps.value = (Math.round(amps * 10)) / 10;

        modules();

        //IE -- IF DATA ENTERED IS OK, NO NEED TO EXECUTE
        //THIS ONCHANGE VIA ie_onchange ONBLUR
        feObj = null;
        feVal = null;

    } //else

} //if isNumber

else { //NOT A NUMBER
    clear_power();
}

} //function

<!---------FUNCTION--------------------------------------------------->
function amps_onchange() {

//IE -- FOR ie_onchange
feObj = dc.amps;
feVal = dc.amps.value;

if (isNumber(dc.amps)) {

    clear_power_checks();
    clear_results("elec");

    if (dc.amps.value == "") {
        clear_power(); }

    else if (parseFloat(dc.amps.value) <= 0) {
        alert("Please enter a number greater than zero.");
        clear_power();
        setTimeout('dc.amps.focus();',1); }

    else {

        watts = parseFloat(dc.amps.value) * parseFloat(dc.vout_setpoint.value);
        dc.watts.value = Math.round(watts);

        modules();

        //IE -- IF DATA ENTERED IS OK, NO NEED TO EXECUTE
        //THIS ONCHANGE VIA ie_onchange ONBLUR
        feObj = null;
        feVal = null;

    } //else

} //if isNumber

else { //NOT A NUMBER
    clear_power();
}

} //function

<!---------FUNCTION--------------------------------------------------->
function modules() {

power_range();

maxi_maxW  = Math.floor(maxW);
mini_maxW  = Math.floor(maxW/2);
micro_maxW = Math.floor(maxW/4);

reqW = parseFloat(dc.watts.value);

/*
if (vout_sp > 24 && grp != 4) { //NOW OK FOR 48Vin > 24Vout MICRO
    dc.micro_modqty.value = "---";
    dc.micro_permod.value = "---";
    dc.micro_min.value = "---";
    dc.micro_max.value = "---";
} //if
*/

//else {
    dc.micro_modqty.value = Math.ceil(reqW / micro_maxW);
    dc.micro_permod.value = Math.ceil(reqW / parseFloat(dc.micro_modqty.value));
    dc.micro_min.value = micro_minW;
    dc.micro_max.value = micro_maxW;
//} //else

dc.mini_modqty.value = Math.ceil(reqW / mini_maxW);
dc.mini_permod.value = Math.ceil(reqW / parseFloat(dc.mini_modqty.value));
dc.mini_min.value = mini_minW;
dc.mini_max.value = mini_maxW;

dc.maxi_modqty.value = Math.ceil(reqW / maxi_maxW);
dc.maxi_permod.value = Math.ceil(reqW / parseFloat(dc.maxi_modqty.value));
dc.maxi_min.value = maxi_minW;
dc.maxi_max.value = maxi_maxW;

if (dc.ptno.value.indexOf("VI-9") > -1) {
    dc.maxi.checked = true; mod_selection("maxi"); }
else if (dc.ptno.value.indexOf("VI-8") > -1) {
    dc.mini.checked = true; mod_selection("mini"); }
else if (dc.ptno.value.indexOf("VI-7") > -1) {
    dc.micro.checked = true; mod_selection("micro"); }

} //function

<!---------FUNCTION--------------------------------------------------->
function power_range() {

if (dc.vin_ovlockout.value != "" && dc.vout_ovsetpoint.value != "") {

    vout_sp = parseFloat(dc.vout_setpoint.value);
    vin_ll = parseFloat(dc.vin_ll.value);
    vin_hl = parseFloat(dc.vin_hl.value);

    <!--MAXIMUM MAXI OUTPUT POWER-->
    if (vout_sp >= 12) {
        maxW  = Math.min(850*(vin_ll/vin_hl), 500);
    } //if >= 12
    else if (vout_sp > 5) {
        maxW  = Math.min(708*(vin_ll/vin_hl), 416);
    } //if > 5
    else if (vout_sp <= 5) {
        maxW  = (Math.min(vout_sp*136*(vin_ll/vin_hl), 80)) * vout_sp;
    } //if <= 5

    <!--MINIMUM MAXI OUTPUT POWER-->
        maxi_minW  = Math.round(Math.min(100, 20*vout_sp));

    <!--MINIMUM MINI OUTPUT POWER-->
        mini_minW  = Math.round(Math.min(50, 10*vout_sp));

    <!--MINIMUM MICRO OUTPUT POWER-->
        micro_minW  = Math.round(Math.min(20, 5*vout_sp));

} //Vin & Vout selected

else { clear_power(); }

} //function

<!---------FUNCTION--------------------------------------------------->
function modsize_ptno(thismod) {

dc.maxi.checked = false;
dc.mini.checked = false;
dc.micro.checked = false;

if (dc.ptno.value.indexOf("VI-9") > -1) { dc.maxi.checked = true; whichmod = "maxi"; }
if (dc.ptno.value.indexOf("VI-8") > -1) { dc.mini.checked = true; whichmod = "mini"; }
if (dc.ptno.value.indexOf("VI-7") > -1) { dc.micro.checked = true; whichmod = "micro"; }

if (dc.ptno.value.indexOf("VI-9") > -1 && thismod != "maxi") {
    alert('SORRY ...\n\nThe assigned part number -- ' + dc.ptno.value + ' -- corresponds to a Maxi module.\nTo change module sizes, please design a new module.'); }

if (dc.ptno.value.indexOf("VI-8") > -1 && thismod != "mini") {
    alert('SORRY ...\n\nThe assigned part number -- ' + dc.ptno.value + ' -- corresponds to a Mini module.\nTo change module sizes, please design a new module.'); }

if (dc.ptno.value.indexOf("VI-7") > -1 && thismod != "micro") {
    alert('SORRY ...\n\nThe assigned part number -- ' + dc.ptno.value + ' -- corresponds to a Micro module.\nTo change module sizes, please design a new module.'); }

} //function

<!---------FUNCTION--------------------------------------------------->
function mod_onclick(thismod) {

if (dc.ptno.value.indexOf("VI-") > -1) modsize_ptno(thismod);

else {

    whichmod = thismod;

    if (eval('dc.' + whichmod + '.checked == true')) {

        clear_results("elec");

        if (whichmod != "micro") dc.micro.checked = false;
        if (whichmod != "mini") dc.mini.checked = false;
        if (whichmod != "maxi") dc.maxi.checked = false;

        if (dc.vin_ovlockout.value == "") {
            eval('dc.' + whichmod + '.checked = false;');
            alert("First, please select input voltage above.");
            setTimeout('dc.' + whichmod + '.checked = false;',1);
            location.href = "#input_voltage";
        } //if no Vout selection

        else if (dc.vout_ovsetpoint.value == "") {
            eval('dc.' + whichmod + '.checked = false;');
            alert("First, please select output voltage above.");
            setTimeout('dc.' + whichmod + '.checked = false;',1);
            location.href = "#output_voltage";
        } //if no Vout selection

        else if (dc.watts.value == "") {
            eval('dc.' + whichmod + '.checked = false;');
            alert("First, please enter output power above.");
            setTimeout('dc.' + whichmod + '.checked = false;',1);
        } //if no Vout selection

        //THIS OPTION NO LONGER REQUIRED
        /*else if (whichmod == "micro" && dc.micro_modqty.value == "---") {
            clear_power_checks();
            alert("SORRY ...\n\nMicro modules are not an option for \n" +
                  "output voltages greater than 24V.");
        } //if micro & Vout > 24
        */

        else { mod_selection(whichmod); }

    } //if checkbox checked

    else { clear_power_checks(); }

} //if no ptno

} //function

<!---------FUNCTION--------------------------------------------------->
function mod_selection(whichmod) {

    needed = eval('parseFloat(dc.' + whichmod + '_permod.value)');
    modmin = eval('parseFloat(dc.' + whichmod + '_min.value)');
    mod_output = Math.max(needed,modmin);
    plural = "";
    if (eval('parseFloat(dc.' + whichmod + '_modqty.value) > 1')) plural = "s";
    ICmod = whichmod.charAt(0).toUpperCase() + whichmod.substring(1,whichmod.length);
    dc.output_words.value = "Selected: " + eval('dc.' + whichmod + '_modqty.value') + " " + mod_output + "W " + ICmod + " module" + plural;

    current_limit();

} //function

<!---------FUNCTION--------------------------------------------------->
function current_limit() {
    curlim = (mod_output / vout_sp) * 1.15;
    dc.pout_curlim.value = (Math.floor(curlim * 10)) / 10;
} //function

<!---------FUNCTION--------------------------------------------------->
function productgrade_onchange() {
    clear_results();

pg = dc.productgrade.options[dc.productgrade.selectedIndex].text;

if (dc.productgrade.selectedIndex == 0) { dc.temp_lo.value = ""; dc.temp_hi.value = ""; }
else if (pg == "C") { dc.temp_lo.value = "-20"; dc.temp_hi.value = "100"; }
else if (pg == "T") { dc.temp_lo.value = "-40"; dc.temp_hi.value = "100"; }
else if (pg == "H") { dc.temp_lo.value = "-40"; dc.temp_hi.value = "100"; }
else if (pg == "M") { dc.temp_lo.value = "-55"; dc.temp_hi.value = "100"; }

} //function

<!---------FUNCTION--------------------------------------------------->
function temp_onfocus() {
    if (dc.productgrade.selectedIndex == 0) {
        alert("First, please select Product Grade.");
        setTimeout('dc.productgrade.focus();',1); }
} //function

<!---------FUNCTION--------------------------------------------------->
function temp_onchange() {
    clear_results();
} //function

<!---------FUNCTION--------------------------------------------------->
function clear_vin_btn() {
    dc.Vin.selectedIndex = 0;
    clear_vin();
    clear_results("elec");
}  // function

<!---------FUNCTION--------------------------------------------------->
function clear_vout_btn() {
    dc.Vout.selectedIndex = 0;
    clear_vout();
    clear_results("elec");
}  // function

<!---------FUNCTION--------------------------------------------------->
function clear_pout_btn() {
    clear_power();
    clear_results("elec");
}  // function

<!---------FUNCTION--------------------------------------------------->
function clear_modsize_btn() {
    dc.micro.checked  = false;
    dc.mini.checked  = false;
    dc.maxi.checked  = false;
    clear_results("elec");
}  // function

<!---------FUNCTION--------------------------------------------------->
function clear_vin() {
    dc.vin_ll.value = "";
    dc.vin_hl.value = "";
    dc.vin_ll_min.value = "";
    dc.vin_ll_max.value = "";
    dc.vin_hl_min.value = "";
    dc.vin_hl_max.value = "";
    dc.vin_nom.value = "";
    dc.vin_uvlockout.value = "";
    dc.vin_ovlockout.value = "";
    clear_power();
}  // function

<!---------FUNCTION--------------------------------------------------->
function clear_vout() {
    dc.vout_setpoint.value = "";
    dc.vout_setpoint_min.value = "";
    dc.vout_setpoint_max.value = "";
    dc.vout_ovsetpoint.value = "";
    clear_power();
}  // function

<!---------FUNCTION--------------------------------------------------->
function clear_power_checks() {
    if (dc.ptno.value == "") {
        dc.micro.checked = false;
        dc.mini.checked = false;
        dc.maxi.checked = false; }
    dc.output_words.value = "";
    dc.pout_curlim.value = "";
}  // function

<!---------FUNCTION--------------------------------------------------->
function clear_power() {

    dc.watts.value = "";
    dc.amps.value = "";

    dc.micro_modqty.value = "";
    dc.micro_permod.value = "";
    dc.micro_min.value = "";
    dc.micro_max.value = "";
    dc.mini_modqty.value = "";
    dc.mini_permod.value = "";
    dc.mini_min.value = "";
    dc.mini_max.value = "";
    dc.maxi_modqty.value = "";
    dc.maxi_permod.value = "";
    dc.maxi_min.value = "";
    dc.maxi_max.value = "";

    clear_power_checks();

}  // function

<!---------FUNCTION--------------------------------------------------->
function clear_results(elec) {

if (dc.page_loaded.value == "yes") {

    dc.changes.value = "yes";

    if (location.search.indexOf("detail") > -1) {

        if (elec == "elec") {
            dc.feas.value = "Not Checked";
            document.but_chg.src = "/vdac/images/button_feasibility.gif"; }

        if (dc.feas.value != "Not Checked") {
            document.but_chg.src = "/vdac/images/button_save-changes.gif"; }

        //Clears partnumber to switch between rohs and non-rohs partnumbers BT 05/16/07
        if (elec == "mech") {
                if (dc.ptno.value != ""){
                    dc.ptno.value = "";
                    //update_ptno();
                }
        }

        document.but_ptno.src = "/vdac/images/button_blank.gif";

    } //if search not empty

    dc.price.value = "";
    dc.nre_charge.value = "";
    dc.delivery.value = "";

} //if page_loaded

} //function

<!---------FUNCTION--------------------------------------------------->
function selected_text(item) {
    txt = eval("dc." + item + ".options[dc." + item + ".selectedIndex].text;")
    if (item=="Vin") { Vin = txt; }
    if (item=="Vout") { Vout = txt; }
    if (item=="productgrade") { productgrade = txt; }
    if (item=="pins") { pins = txt; }
    if (item=="baseplate") { baseplate = txt; }
    if (item=="heatsink") { heatsink = txt; }
    dc.temporary.value = txt;
} //function

<!---------FUNCTION------------------------------------------>
function check_for_missing_info(caller) {

//callers: changes, ptno, order

if (caller == "ptno" && dc.ptno.value != "") {
    alert('This module design already has a part number.'); }

else if ((caller == "ptno" || caller == "order") && dc.feas.value == "Not Checked") {
    alert('First, an electrical feasibility check is required.\n(Click on the "Check Electrical Feasibility" button.)'); }

else if ((caller == "ptno" || caller == "order") && dc.changes.value == "yes") {
    alert('First, please save design changes.\n(Click on the "Save Design Changes" button.)'); }

else if (caller == "order" && dc.ptno.value == "") {
    alert('First, a part number is required.\n(Click on the "Get Part Number" button. If you don\'t see the button, Logon first.)'); }

// FOR < GRP 4, LOCKOUT VALUES ARE FILLED IN ONLY WHEN REST OF VIN IS COMPLETE
else if (grp != 4 && dc.vin_ovlockout.value == "") {
    alert("First, please select input voltage above.");
    location.href = "#input_voltage"; }

else if (grp == 4 && dc.Vin.selectedIndex == 0) {
    alert("First, please select input voltage above.");
    location.href = "#input_voltage";
    setTimeout("dc.Vin.focus();",1);
}
else if (grp == 4 && dc.vin_ll.value == "") {
    alert("First, please enter Vin Low Line above.");
    location.href = "#input_voltage";
    setTimeout("dc.vin_ll.focus();",1);
}
else if (grp == 4 && dc.vin_hl.value == "") {
    alert("First, please enter Vin High Line above.");
    location.href = "#input_voltage";
    setTimeout("dc.vin_hl.focus();",1);
}
else if (grp == 4 && dc.vin_uvlockout.value == "") {
    alert("First, please enter Undervoltage Lockout above.");
    location.href = "#input_voltage";
    setTimeout("dc.vin_uvlockout.focus();",1);
}
else if (grp == 4 && dc.vin_ovlockout.value == "") {
    alert("First, please enter Overvoltage Lockout above.");
    location.href = "#input_voltage";
    setTimeout("dc.vin_ovlockout.focus();",1);
}

// FOR < GRP 4, OVSETPOINT IS FILLED IN ONLY WHEN REST OF VOUT IS COMPLETE
else if (grp != 4 && dc.vout_ovsetpoint.value == "") {
    alert("First, please select output voltage above.");
    location.href = "#output_voltage";
}

else if (grp == 4 && dc.vout_ovsetpoint.value == "") {
    alert("First, please enter Overvoltage Set Point above.");
    location.href = "#output_voltage";
    setTimeout("dc.vout_ovsetpoint.focus();",1);
}

else if (dc.watts.value == "") {
    alert("First, please enter output power above.");
    location.href = "#pout_modsize";
}

else if (dc.micro.checked == false && dc.mini.checked == false && dc.maxi.checked == false) {
    alert("First, please select module size above.");
    location.href = "#pout_modsize";
}

else if (grp == 4 && dc.pout_curlim.value == "") {
    alert("First, please enter Current Limit above.");
    location.href = "#pout_modsize";
    setTimeout("dc.pout_curlim.focus();",1);
}

else if (dc.productgrade.selectedIndex==0) {
    alert("First, please select Product Grade.");
    location.href = "#mechanical";
    setTimeout("dc.productgrade.focus();",1);
}

else if (dc.temp_lo.value == "" || dc.temp_hi.value == "") { // HIDDEN TO < GRP 4
    alert("First, please enter Operating Temperature.");
    location.href = "#mechanical";
    if (dc.temp_lo.value == "") setTimeout("dc.temp_lo.focus();",1);
    else if (dc.temp_hi.value == "") setTimeout("dc.temp_hi.focus();",1);
}

else if (dc.pins.selectedIndex==0) {
    alert("First, please select Pin Style.");
    location.href = "#mechanical";
    setTimeout("dc.pins.focus();",1);
}

//// WHEN MORE HEAT SINKS AVAILABLE, IT WILL BE POSSIBLE TO HAVE BLANK BASEPLATE

else if (dc.baseplate.selectedIndex==0) {
    alert("First, please select Baseplate Style.");
    location.href = "#mechanical";
    setTimeout("dc.baseplate.focus();",1);
}

else { check_info = "yes"; }

} //function

<!---------FUNCTION--------------------------------------------------->
function save_changes() {

//if (FAL == 0) { //GUEST
//    alert('SORRY ...\n\nGuest users cannot check electrical feasibility.\nClick "Register" above to access this feature.'); }

if (dc.changes.value == "no") {
    alert("Please reconfigure module\nbefore submitting changes."); }

else if (dc.changes.value == "yes" && dc.feas.value.indexOf("OK") > -1) {
    check_info = "no";
    if (check_info == "no") check_for_missing_info("changes");
    //if (check_info == "yes")
    //    open_submit_window('userdefined/changes-user_submit');
    if (check_info == "yes") feasibility_submit("mechanical");
} //if no feas check

else if (dc.feas.value.indexOf("OK") == -1) {
    check_info = "no";
    if (check_info == "no") check_for_missing_info("changes");
    //if (check_info == "yes") feasibility_submit();
    if (check_info == "yes") feasibility_submit("electrical");
} //if needs feas check

} //function

<!---------FUNCTION--------------------------------------------------->
function part_number() {

check_info = "no";
if (check_info == "no") check_for_missing_info("ptno");
if (check_info == "yes") open_submit_window('userdefined/ptno-user_submit');

} //function

<!---------FUNCTION--------------------------------------------------->
function place_order() {

check_info = "no";

if (check_info == "no") { check_for_missing_info("order"); }

if (check_info == "yes") {
    location = "/vdac/accounts/orderform.asp?detail=" + designid +
                                           "&config=userdefined" +
                                           "&id=" + designid +
                                           "&reqpg=orderform1";
} //if yes

}  // function

<!---------FUNCTION--------------------------------------------------->
function reset_button() {

ls = location.search;

if (ls != "") { location.href = location.pathname; }
else { dc.reset(); }

} // function

<!---------FUNCTION--------------------------------------------------->
function dont_touch_except(form_element) {

if (grp == 4) {

if (form_element == "vin_uvlockout" ||
    form_element == "vin_ovlockout") {

    //DUPLICATED UNDER vin_nom_onfocus()

    if (dc.Vin.selectedIndex == 0) {
        alert("First, please select Predefined or User Defined.");
        setTimeout('dc.Vin.focus();',1); }

    else if (dc.vin_ll.value == "" || dc.vin_hl.value == "") {
        alert("First, please enter Low Line and High Line.");
        if (dc.vin_ll.value == "") setTimeout('dc.vin_ll.focus();',1);
        else if (dc.vin_hl.value == "") setTimeout('dc.vin_hl.focus();',1); }

} // if lockout

if (form_element == "vout_ovsetpoint") {

    if (dc.Vout.selectedIndex == 0) {
        alert("First, please select Predefined or User Defined.");
        setTimeout('dc.Vout.focus();',1); }

    else if (dc.vout_setpoint.value == "") {
        alert("First, please enter Output Voltage Set Point.");
        setTimeout('dc.vout_setpoint.focus();',1); }

} // if gray vouts

if (form_element == "pout_curlim") {

    if (dc.watts.value == "") {
        alert("First, please enter output power.");
        setTimeout('dc.watts.focus();',1); }

    else if (dc.micro.checked == false &&
        dc.mini.checked == false &&
        dc.maxi.checked == false) {
        alert("First, please select a module size.");
        setTimeout('dc.pout_curlim.blur();',1); }

} // if gray pouts

} // grp 4

if (grp != 4) {
//    alert("Please do not enter or change data here.");
    setTimeout("dc." + form_element + ".blur();",1);
} //not grp 4

}  // function

<!---------FUNCTION--------------------------------------------------->
function update_ptno() {
    open_submit_window('userdefined/update_ptno');

} //function