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Hi, I’m new to this forum and this is my first post.
I’ve found this code and I’d like to add one function to it.
Anybody knows how to add a function to the third box so that the selected options can load a page in iframe inside the parent page?
here’s the code.
[code]
<!– TWO STEPS TO INSTALL DROPDOWN BOX POPULATION:
1. Copy the coding into the HEAD of your HTML document
2. Add the last code into the BODY of your HTML document –>
<!– STEP ONE: Paste this code into the HEAD of your HTML document –>
<HEAD>
<script type=”text/javascript”>
<!–
/* This script and many more are available free online at
The JavaScript Source!! http://javascript.internet.com
Revised by: DeWayne Whitaker :: http://www.aecdfw.com
Original by: Andrew Berry */
var arrItems1 = new Array();
var arrItemsGrp1 = new Array();
arrItems1[0] = “Planes”;
arrItemsGrp1[0] = 3;
arrItems1[1] = “Ultralight”;
arrItemsGrp1[1] = 3;
arrItems1[2] = “Glider”;
arrItemsGrp1[2] = 3;
arrItems1[3] = “Truck”;
arrItemsGrp1[3] = 1;
arrItems1[4] = “Train”;
arrItemsGrp1[4] = 1;
arrItems1[5] = “Car”;
arrItemsGrp1[5] = 1;
arrItems1[6] = “Boat”;
arrItemsGrp1[6] = 2;
arrItems1[7] = “Submarine”;
arrItemsGrp1[7] = 2;
var arrItems2 = new Array();
var arrItemsGrp2 = new Array();
arrItems2[21] = “747”;
arrItemsGrp2[21] = 0
arrItems2[22] = “Cessna”;
arrItemsGrp2[22] = 0
arrItems2[31] = “Kolb Flyer”;
arrItemsGrp2[31] = 1
arrItems2[34] = “Kitfox”;
arrItemsGrp2[34] = 1
arrItems2[35] = “Schwietzer Glider”;
arrItemsGrp2[35] = 2
arrItems2[99] = “Chevy Malibu”;
arrItemsGrp2[99] = 5
arrItems2[100] = “Lincoln LS”;
arrItemsGrp2[100] = 5
arrItems2[57] = “BMW Z3”;
arrItemsGrp2[57] = 5
arrItems2[101] = “F-150”;
arrItemsGrp2[101] = 3
arrItems2[102] = “Tahoe”;
arrItemsGrp2[102] = 3
arrItems2[103] = “Freight Train”;
arrItemsGrp2[103] = 4
arrItems2[104] = “Passenger Train”;
arrItemsGrp2[104] = 4
arrItems2[105] = “Oil Tanker”;
arrItemsGrp2[105] = 6
arrItems2[106] = “Fishing Boat”;
arrItemsGrp2[106] = 6
arrItems2[200] = “Los Angelas Class”;
arrItemsGrp2[200] = 7
arrItems2[201] = “Kilo Class”;
arrItemsGrp2[201] = 7
arrItems2[203] = “<a href=’index.html’>Seawolf Class</a>”;
arrItemsGrp2[203] = 7
function selectChange(control, controlToPopulate, ItemArray, GroupArray) {
var myEle ;
var x ;
// Empty the second drop down box of any choices
for (var q=controlToPopulate.options.length;q>=0;q–) controlToPopulate.options[q]=null;
if (control.name == “firstChoice”) {
// Empty the third drop down box of any choices
for (var q=form.thirdChoice.options.length;q>=0;q–) form.thirdChoice.options[q] = null;
}
// ADD Default Choice – in case there are no values
myEle = document.createElement(“option”) ;
myEle.value = 0 ;
myEle.text = “[SELECT]” ;
// controlToPopulate.add(myEle) ;
controlToPopulate.appendChild(myEle)
// Now loop through the array of individual items
// Any containing the same child id are added to
// the second dropdown box
for ( x = 0 ; x < ItemArray.length ; x++ ) {
if ( GroupArray[x] == control.value ) {
myEle = document.createElement(“option”) ;
//myEle.value = x ;
myEle.setAttribute(‘value’,x);
// myEle.text = ItemArray[x] ;
var txt = document.createTextNode(ItemArray[x]);
myEle.appendChild(txt)
// controlToPopulate.add(myEle) ;
controlToPopulate.appendChild(myEle)
}
}
}
function selectChange(control, controlToPopulate, ItemArray, GroupArray) {
var myEle ;
var x ;
// Empty the second drop down box of any choices
for (var q=controlToPopulate.options.length;q>=0;q–) controlToPopulate.options[q]=null;
if (control.name == “firstChoice”) {
// Empty the third drop down box of any choices
for (var q=form.thirdChoice.options.length;q>=0;q–) form.thirdChoice.options[q] = null;
}
// ADD Default Choice – in case there are no values
myEle=document.createElement(“option”);
theText=document.createTextNode(“[SELECT]”);
myEle.appendChild(theText);
myEle.setAttribute(“value”,”0″);
controlToPopulate.appendChild(myEle);
// Now loop through the array of individual items
// Any containing the same child id are added to
// the second dropdown box
for ( x = 0 ; x < ItemArray.length ; x++ ) {
if ( GroupArray[x] == control.value ) {
myEle = document.createElement(“option”) ;
//myEle.value = x ;
myEle.setAttribute(“value”,x);
// myEle.text = ItemArray[x] ;
var txt = document.createTextNode(ItemArray[x]);
myEle.appendChild(txt)
// controlToPopulate.add(myEle) ;
controlToPopulate.appendChild(myEle)
}
}
}
// –>
</script>
</HEAD>
<!– STEP TWO: Copy this code into the BODY of your HTML document –>
<BODY>
<script type=”text/javascript”>
function goToPage763(mySelect)
{
PageIndex2=mySelect.selectedIndex;
{
if
(
mySelect.options[PageIndex2].value != “none”
)
{
//this is the key code in the JavaScript to open the new page in
//the iframe:-
frames[‘iframe2’].location.href = mySelect.options[PageIndex2].value;
}
}
}
//–>
</script>
<form name=form>
<table align=”center”>
<tr>
<td>
<select id=”firstChoice” name=”firstChoice” onchange=”selectChange(this, form.secondChoice, arrItems1, arrItemsGrp1);”>
<option value=”0″ selected>[SELECT]</option>
<option value=”1″>Land</option>
<option value=”2″>Sea</option>
<option value=”3″>Air</option>
</select>
</td><td>
<select id=”secondChoice” name=”secondChoice” onchange=”selectChange(this, form.thirdChoice, arrItems2, arrItemsGrp2);”>
</select>
<select id=”thirdChoice” name=”thirdChoice”>
</select>
</td>
</tr>
</table>
</form>
Thanks in advance.