este es el codigo
<html>
<head>
<script language = "JavaScript">
// FUNCION DE COMBO BOX COMBINADO
function sublist(inform, selecteditem)
{
inform.subcatagory.length = 0
x = 0;
subcat = new Array();
subcatagorys = "1.- Polvo Quimico";
subcatagoryof = "1";
subcatagoryid = "1.-";
subcat[x,0] = subcatagorys;
subcat[x,1] = subcatagoryof;
subcat[x,2] = subcatagoryid;
if (subcat[x,1] == selecteditem) {
var option0 = new Option(subcat[x,0], subcat[x,2]);
inform.subcatagory.options[inform.subcatagory.length]=option0;
}
x = 1;
subcat = new Array();
subcatagorys = "2.- Bancos CO2";
subcatagoryof = "1";
subcatagoryid = "2.-";
subcat[x,0] = subcatagorys;
subcat[x,1] = subcatagoryof;
subcat[x,2] = subcatagoryid;
if (subcat[x,1] == selecteditem) {
var option1 = new Option(subcat[x,0], subcat[x,2]);
inform.subcatagory.options[inform.subcatagory.length]=option1;
}
x = 2;
subcat = new Array();
subcatagorys = "3.- Gas CO2";
subcatagoryof = "1";
subcatagoryid = "3.-";
subcat[x,0] = subcatagorys;
subcat[x,1] = subcatagoryof;
subcat[x,2] = subcatagoryid;
if (subcat[x,1] == selecteditem) {
var option2 = new Option(subcat[x,0], subcat[x,2]);
inform.subcatagory.options[inform.subcatagory.length]=option2;
}
x = 3;
subcat = new Array();
subcatagorys = "4.- Espuma";
subcatagoryof = "1";
subcatagoryid = "4.-";
subcat[x,0] = subcatagorys;
subcat[x,1] = subcatagoryof;
subcat[x,2] = subcatagoryid;
if (subcat[x,1] == selecteditem) {
var option3 = new Option(subcat[x,0], subcat[x,2]);
inform.subcatagory.options[inform.subcatagory.length]=option3;
}
x = 4;
subcat = new Array();
subcatagorys = "10.- Pitones Bomberiles";
subcatagoryof = "2";
subcatagoryid = "10.-";
subcat[x,0] = subcatagorys;
subcat[x,1] = subcatagoryof;
subcat[x,2] = subcatagoryid;
if (subcat[x,1] == selecteditem) {
var option4 = new Option(subcat[x,0], subcat[x,2]);
inform.subcatagory.options[inform.subcatagory.length]=option4;
}
x = 5;
subcat = new Array();
subcatagorys = "11.- Gabinetes";
subcatagoryof = "2";
subcatagoryid = "11.-";
subcat[x,0] = subcatagorys;
subcat[x,1] = subcatagoryof;
subcat[x,2] = subcatagoryid;
if (subcat[x,1] == selecteditem) {
var option5 = new Option(subcat[x,0], subcat[x,2]);
inform.subcatagory.options[inform.subcatagory.length]=option5;
}
x = 6;
subcat = new Array();
subcatagorys = "12.- Herramientas";
subcatagoryof = "2";
subcatagoryid = "12.-";
subcat[x,0] = subcatagorys;
subcat[x,1] = subcatagoryof;
subcat[x,2] = subcatagoryid;
if (subcat[x,1] == selecteditem) {
var option6 = new Option(subcat[x,0], subcat[x,2]);
inform.subcatagory.options[inform.subcatagory.length]=option6;
}
}
</script>
</head>
<div align="center">
<form name="prueba" method="POST" action="ver_art_extintores.asp">
<div align="center">
<table border="0" width="100%" cellpadding="6" cellspacing="6">
<tr>
<td width="16%" valign="middle"><b>Categoria</b><br>
</td>
<td width="71%">
<p align="left">
<select size="1" id="familia" name="familia" onChange = "javascript:sublist(this.form, familia.value);">
<option selected>- - - Seleccione una Categoria - - -</option>
<option value="1">Extintores</option>
<option value="2">Material Bomberil</option>
</select>
</p>
</td>
</tr>
<tr>
<td width="16%"><b>Sub - Categoria</b></td>
<td width="71%">
<select id="subcatagory" name="subcatagory" size="1">
<option value="none" selected>- - - - Seleccione un articulo - -
- - </option>
</select>
</td>
</tr>
</table>
<div align="left"><br>
<input border="0" src="../images/ver_articulo.gif" name="I4" type="image" width="92" height="27" align="middle">
</div>
</div>
</form>
Como seria para que los datos que estan el la lista, combobox o como se llame al dar atras no sean borrados?
esperando ayuda....
salu2
ayudenme plis!!!!!
