<html>
<head>
<title>Listas desplegables dependientes</title>
</head>
<BODY style="font-family: Verdana">
<p align="center"><b>Listas desplegables dependientes 5</b></p>
<SCRIPT LANGUAGE="JavaScript">
<!-- Begin
var arrItems1 = new Array();
var arrItemsGrp1 = new Array();
arrItems1[3] = "Camión";
arrItemsGrp1[3] = 1;
arrItems1[4] = "Tren";
arrItemsGrp1[4] = 1;
arrItems1[5] = "Coche";
arrItemsGrp1[5] = 1;
arrItems1[6] = "Barco";
arrItemsGrp1[6] = 2;
arrItems1[7] = "Submarino";
arrItemsGrp1[7] = 2;
arrItems1[0] = "Aviones";
arrItemsGrp1[0] = 3;
arrItems1[1] = "Ultraligero";
arrItemsGrp1[1] = 3;
arrItems1[2] = "Ala delta";
arrItemsGrp1[2] = 3;
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] = "Tren de carga";
arrItemsGrp2[103] = 4
arrItems2[104] = "Tren de pasajeros";
arrItemsGrp2[104] = 4
arrItems2[105] = "Contenedor de aceite";
arrItemsGrp2[105] = 6
arrItems2[106] = "Barco de pesca";
arrItemsGrp2[106] = 6
arrItems2[200] = "Los Angelas Class";
arrItemsGrp2[200] = 7
arrItems2[201] = "Kilo Class";
arrItemsGrp2[201] = 7
arrItems2[203] = "Seawolf Class";
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=myChoices.thirdChoice.options.length;q>=0;q--) myChoices.thirdChoice.options[q] = null;
}
// ADD Default Choice - in case there are no values
myEle = document.createElement("option") ;
myEle.value = 0 ;
myEle.text = "[Selecciona]" ;
controlToPopulate.add(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.text = ItemArray[x] ;
controlToPopulate.add(myEle) ;
}
}
}
// End -->
</script>
</HEAD>
<BODY style="font-family: Verdana">
<form name=myChoices>
<table align="center">
<tr>
<td>
<SELECT id=firstChoice name=firstChoice onchange="selectChange(this, myChoices.secondChoice, arrItems1, arrItemsGrp1);">
<option value=0 SELECTED>[Selecciona]</option>
<option value=1>Tierra</option>
<option value=2>Mar</option>
<option value=3>Aire</option>
</SELECT>
</TD><TD>
<SELECT id=secondChoice name=secondChoice onchange="selectChange(this, myChoices.thirdChoice, arrItems2, arrItemsGrp2);">
</SELECT>
<SELECT id=thirdChoice name=thirdChoice>
</SELECT>
</TD>
</TR>
</TABLE>
</form>