//--------FUNCTION-----------------------------------------
function datasheet() {

if (dc.modPkgSize.selectedIndex == 0) {
    alert("First, please be sure\nthese items are selected:\n\n" +
          "-  Input Voltage\n" +
          "-  Output Voltage\n" +
          "-  Output Power/Current\n" +
          "-  Module Package");
} //if

else {

    selected_text("Vin");
    mod_vin = dc.temporary.value;

    mod = "";
    if (dc.modsize.value == "maxi")       mod = "maxi";
    else if (dc.modsize.value == "mini")  mod = "mini";
    else if (dc.modsize.value == "micro") mod = "micro";

    datasheet_link = "documents/datasheets/ds_" + mod_vin + "vin-" + mod + "-family.pdf"
    open_web_window(datasheet_link);

} //else

} //function

/*
//--------FUNCTION-----------------------------------------
function recalculate_outputpower() {

    selected_text('Vin');
    opts_index = 1;
    Wout = 1;

    for (vo=0; vo<vouts.length; vo++) {
        Vout = vouts[vo][0];
        for (mp=0; mp<modpkgs.length; mp++) {
            selectModules(Vin, Vout, Wout, modpkgs[mp]);
        } //for mp
    } //for vo

} //function
*/

//--------FUNCTION-----------------------------------------
function Vout_options() { // part of Vin_onchange()

selected_text('Vin');
opts_index = 1;
Wout = 1;

for (vo=0; vo<vouts.length; vo++) {
    Vout = vouts[vo][0];
    for (mp=0; mp<modpkgs.length; mp++) {
        selectModules(Vin, Vout, Wout, modpkgs[mp]);
        if (power.modsize != "" &&
            vouts[vo][1] != dc.Vout.options[opts_index-1].text) {

            dc.Vout.options[opts_index] = new Option(vouts[vo][1], vouts[vo][0]);
            opts_index += 1;

        }
    } //for mp
} //for vo

dc.Vout.options.length = opts_index;

/*TEST
view_options="";
for (k=1; k<dc.Vout.options.length; k++)
    view_options += dc.Vout.options[k].text + "\n";
alert(view_options);
*/

} //function

//-- Create Objects ---------------------------------------
function outputpower(modsize,modmax) {
    this.modsize = modsize    // max power for mini module
    this.modmax = modmax      // max power for maxi module
}

//--------FUNCTION-----------------------------------------
function define_outputpower() {

    selected_text('Vin');
    selected_text('Vout');
    Wout = parseFloat(dc.Wout.value);

    quals = null;
    quals = new Array();
    quals_index = 0;

    for (i=0; i<modpkgs.length; i++) {

        power.modsize = null;
        power.modmax = null;

        selectModules(Vin, Vout, Wout, modpkgs[i]);

/*
if (quals_index == 0) {
    alert('' +
    'Vin = ' + Vin + '\n' +
    'Vout = ' + Vout + '\n' +
    'Wout = ' + Wout + '\n' +
    'modpkgs[' + i + '] = ' + modpkgs[i] + '\n' +
    'power.modsize = ' + power.modsize + '\n' +
    'power.modmax = ' + power.modmax + '\n' +
    '');
}
else {
    alert('' +
    'Vin = ' + Vin + '\n' +
    'Vout = ' + Vout + '\n' +
    'Wout = ' + Wout + '\n' +
    'modpkgs[' + i + '] = ' + modpkgs[i] + '\n' +
    'power.modsize = ' + power.modsize + '\n' +
    'power.modmax = ' + power.modmax + '\n' +
    'quals[quals_index-1][0] = ' + quals[quals_index-1][0] + '\n' +
    'quals[quals_index-1][1] = ' + quals[quals_index-1][1] + '\n' +
    '');
}
*/

        if (power.modsize != null && power.modmax != null) {

            if (quals_index == 0 ||
               (power.modsize != quals[quals_index-1][0] &&
                 power.modmax == quals[quals_index-1][1])) {

                quals[quals_index] = new Array(power.modsize,power.modmax);
                quals_index += 1;
            }
            else if (power.modsize != quals[quals_index-1][0] &&
                      power.modmax != quals[quals_index-1][1]) {

                quals = null;
                quals = new Array();
                quals_index = 0;

                quals[quals_index] = new Array(power.modsize,power.modmax);
            }

        } // if not null

    } //for

    //alert(quals.join('\n'));

} //function

//--------FUNCTION-----------------------------------------
function Vin_onchange() {

    clear_results();
    dc.Vout.selectedIndex = 0;
    clear_AWout();
    if (dc.Vin.selectedIndex == 0) {
        dc.Vout.options.length = 1;
    }
    else {
        Vout_options();

        valVin = parseFloat(dc.Vin.options[dc.Vin.selectedIndex].value);

        if (valVin == 28) {
            pgArray = new Array('C','T','H','M');
        }
        //else if (valVin == 150) {
        //    pgArray = new Array('C');
        //}
        else {
            pgArray = new Array('E','C','T','H','M');
        }
        productgrade_options(pgArray);

    } //else

    display_28Vin_note();

} //function


//--------FUNCTION-----------------------------------------
function display_28Vin_note() {
    vinText = dc.Vin.options[dc.Vin.selectedIndex].text;

    if (vinText == "") {
        document.getElementById('note_28Vin').style.display = "none";
    }
    else {
        if (vinText.indexOf("28 Vdc") > -1) {
            document.getElementById('note_28Vin').style.display = "";
        }
        else {
            document.getElementById('note_28Vin').style.display = "none";
        }
    }

} //function

//--------FUNCTION-----------------------------------------
function productgrade_options(pg) {

    dc.productgrade.length = 1;
    for (i=0; i<pg.length; i++) {
        dc.productgrade.options[i+1] = new Option(pg[i],pg[i]);
    }

    if (pg.length == 1) {
        dc.productgrade.options[1].selected = true;
    }

    /*
    for (i=0; i<dc.productgrade.length; i++) {
        alert('' +
        'dc.productgrade.options[' + i + '].value = ' + dc.productgrade.options[i].value + '\n' +
        '');
    } //for
    */

} //function

//--------FUNCTION-----------------------------------------
function Vout_onfocus() {
    if (dc.Vin.selectedIndex==0) {
        alert("Please select input voltage first.");
        setTimeout('dc.Vin.focus();',1);
    }
} //function

//--------FUNCTION-----------------------------------------
function Vout_onchange() {
    clear_results();
    clear_AWout();
} //function

//--------FUNCTION-----------------------------------------
function selected_text(item) {

    frmObj = eval("dc." + item);
    txt = frmObj.options[frmObj.selectedIndex].text;

    if (item == "Vin") {
        txt = frmObj.options[frmObj.selectedIndex].value;
        Vin = txt;
    }
    if (item == "Vout") {
        txt = frmObj.options[frmObj.selectedIndex].value;
        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 WAout_onfocus() {     // onFocus for Wout and Aout
    if (dc.Vin.selectedIndex==0) {
        alert("Please select input voltage first.");
        setTimeout("dc.Vin.focus();",1);
    }

    else if (dc.Vout.selectedIndex==0) {
        alert("Please select output voltage first.");
        setTimeout("dc.Vout.focus();",1);
    }

}  //function

//--------FUNCTION-----------------------------------------
function calcWatts() {     // onChange for Aout

//IE -- FOR ie_onchange
feObj = dc.Aout;
feVal = dc.Aout.value;

if (isNumber(dc.Aout)) {

    if (dc.Aout.value=="") { clear_AWout(); }

    else if (dc.Aout.value <= 0) {
        alert("Please enter a number greater than zero.");
        clear_AWout();
        setTimeout("dc.Aout.focus();",1);
    }
    else {
        clear_modPkgSize();
        clear_results();
        selected_text('Vout');

        dc.Wout.value = Math.round(Vout * dc.Aout.value);
        define_outputpower();

        module_results();

        //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_AWout();
}

} //function

//--------FUNCTION-----------------------------------------
function calcAmps() {     // onChange for Wout

//IE -- FOR ie_onchange
feObj = dc.Wout;
feVal = dc.Wout.value;

if (isNumber(dc.Wout)) {

    if (dc.Wout.value=="") { clear_AWout(); }

    else if (dc.Wout.value <= 0) {
        alert("Please enter a number greater than zero.");
        clear_AWout();
        setTimeout("dc.Wout.focus();",1); }

    else {
        clear_modPkgSize();
        clear_results();
        define_outputpower();

        xxx = dc.Wout.value / Vout;
        dc.Aout.value = Math.round(xxx * 10) / 10;

        module_results();

        //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_AWout();
}

}   // function

//--------FUNCTION-----------------------------------------
function module_results() {

    //alert(quals.join('\n'));

    dc.modPkgSize.options.length = 1;

    for (i=0; i<quals.length; i++) {

        optModSize = quals[i][0];
        optModPout = quals[i][1];
        optModQty = Math.ceil(dc.Wout.value / optModPout);

        mod_beg = optModSize.charAt(0).toUpperCase();
        mod_end = optModSize.substring(1,optModSize.length);
        UCmod = mod_beg + mod_end;
        if (optModQty > 1) { mods = "modules"; } else { mods = "module"; }
        optVal = optModSize + '_' + optModPout + '_' + optModQty;
        optTxt = optModQty + "  x  " + optModPout + "W " + UCmod + " " + mods;
        dc.modPkgSize.options[i+1] = new Option(optTxt,optVal);

    } //for

    if (dc.modPkgSize.options.length == 2) {
        dc.modPkgSize.selectedIndex = 1;
        dc.modPkgSize.onchange();
    }

}  // function

<!--------FUNCTION----------------------------------------->
function modPkgSize_onfocus() {

    if (dc.Vin.selectedIndex == 0) {
        alert("First please select input voltage.");
        setTimeout('dc.Vin.focus();',1);
    }
    else if (dc.Vout.selectedIndex == 0) {
        alert("First please select output voltage.");
        setTimeout('dc.Vout.focus();',1);
    }
    else if (dc.Wout.value == "") {
        alert("First please enter output power.");
        setTimeout('dc.Wout.focus();',1);
    }

} //function

<!--------FUNCTION----------------------------------------->
function modPkgSize_onchange() {

    clear_results();

    if (dc.modPkgSize.selectedIndex == 0) {
        clear_modPkgSize();
    }
    else {
        strVal = dc.modPkgSize.options[dc.modPkgSize.selectedIndex].value
        arrVal = strVal.split('_');
        dc.modsize.value = arrVal[0];
        dc.modmax.value = arrVal[1];
        dc.modqty.value = arrVal[2];
        document.getElementById('dtshtLink').style.color = "#336699";
        document.getElementById('dtshtLink').style.cursor = "pointer";
    }

} //function

//--------FUNCTION-----------------------------------------
function productgrade_onchange() {
    clear_results();
} //function

//--------FUNCTION-----------------------------------------
function label_onfocus() {
    if (FAL == 0) {
        alert('SORRY ...\n\nGuest users do not have access to custom features.\nClick "Register" above to access these features.');
        setTimeout("dc.label.blur();",1);
    }
} //function

//--------FUNCTION-----------------------------------------
function request(req) {

if (req == "price" && dc.price.value != "")
    alert("Please reconfigure module before\nrequesting new price and delivery.");

else if (req == "ptno" && dc.ptno.value != "")
    alert("Please reconfigure module before\nrequesting a new part number.");

else if (dc.Vin.selectedIndex==0) {
    alert("First please select Input Voltage.");
    dc.Vin.focus();
}
else if (dc.Vout.selectedIndex==0) {
    alert("First please select Output Voltage.");
    dc.Vout.focus();
}
else if (dc.Wout.value=="") {
    alert("First please enter Output Power or Current.");
    dc.Wout.focus();
}
else if (dc.modPkgSize.selectedIndex==0) {
    alert("First please select Module Package.");
    dc.modPkgSize.focus();
}
else if (dc.productgrade.selectedIndex==0) {
    alert("First please select Product Grade.");
    dc.productgrade.focus();
}
else if (dc.pins.selectedIndex==0) {
    alert("First please select Pin Style.");
    dc.pins.focus();
}
else if (dc.baseplate.selectedIndex==0) {
    alert("First please select Baseplate Style.");
    dc.baseplate.focus();
}

else { //else1

    if (req == "ptno") { //ptno, price, and delivery
        dc.request.value = "ptno"; }

    else if (req == "price") { //price and delivery only
        dc.request.value = "price"; }
    else if (req == "saveDesign") { //price and delivery only
        dc.request.value = "saveDesign"; }

    open_submit_window('predefined/request_submit');

} //else1
} //function

//--------FUNCTION-----------------------------------------
function place_order() {

if (dc.Vin.selectedIndex==0) {
    alert("First please select Input Voltage.");
    setTimeout("dc.Vin.focus();",1);
}
else if (dc.Vout.selectedIndex==0) {
    alert("First please select Output Voltage.");
    setTimeout("dc.Vout.focus();",1);
}
else if (dc.Wout.value=="") {
    alert("First please enter Output Power or Current.");
    setTimeout("dc.Wout.focus();",1);
}
else if (dc.productgrade.selectedIndex==0) {
    alert("First please select Product Grade.");
    setTimeout("dc.productgrade.focus();",1);
}
else if (dc.pins.selectedIndex==0) {
    alert("First please select Pin Style.");
    setTimeout("dc.pins.focus();",1);
}
else if (dc.baseplate.selectedIndex==0) {
    alert("First please select Baseplate Style.");
    setTimeout("dc.baseplate.focus();",1);
}
else if (dc.ptno.value == "") {
    alert('First please Get Part Number.\n(Click on the "Get Part Number" button above.)');
}

else {
    pn = dc.ptno.value;
    id = dc.id.value;
    location = "/vdac/accounts/orderform.asp?detail=" + pn +
                                           "&config=predefined" +
                                           "&id=" + id +
                                           "&reqpg=orderform1";
} //else

} //function

//--------FUNCTION-----------------------------------------
function clear_AWout() {

    dc.Wout.value = "";
    dc.Aout.value = "";
    clear_modPkgSize();

} //function

<!--------FUNCTION----------------------------------------->
function clear_modPkgSize() {

    dc.modPkgSize.selectedIndex = 0;
    dc.modsize.value = '';
    dc.modmax.value = '';
    dc.modqty.value = '';
    document.getElementById('dtshtLink').style.color = "#dddddd";
    document.getElementById('dtshtLink').style.cursor = "default";

} //function

//--------FUNCTION-----------------------------------------
function clear_results() {

    dc.ptno.value = "";
    dc.price.value = "";
    dc.delivery.value = "";
    dc.id.value = ""; //DESIGN ID

} //function

//--------FUNCTION-----------------------------------------
function reset_button() {
    dc.reset();
} // function