Gracias por contestar.
He estado toqueteando y creo que lo tengo +o-.
Mi script es:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
</head>
<body>
<table border="0" cellpadding="0" cellspacing="0" width="160">
<col width="80" />
<tr height="17">
<td></td>
<td height="17"></td>
</tr>
<tr height="17">
<td></td>
<td height="17"></td>
</tr>
<tr height="17">
<td></td>
<td height="17"></td>
</tr>
<tr height="17">
<td><title>Test de Listas multiples</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<script language="JavaScript">
contents=new Array();
function TCN_addContent(str){
contents.push(str);
arrayValues = new Array();
for(i=0;i<contents.length;i++){
arrayValues[i]=contents[i].split(separator);
}
}
function TCN_makeComboGroup(){
comboGroup=new Array();
args=TCN_makeComboGroup.arguments;
for(i=0;i<args.length;i++){
comboGroup[i]=MM_findObj(args[i]);
}
}
function TCN_startCombo(){
combo1=comboGroup[0];
for (i=0;i<arrayValues.length;i++){
existe=false;
for(j=0;j<combo1.options.length;j++){
if(arrayValues[i][0]==combo1.options[j].text){
existe=true;
}
}
if(existe==false){
combo1.options[combo1.options.length]=new Option(arrayValues[i][0],arrayValues[i][1]);
}//end if
}//for(i)
combo1.options[0].selected=true;
TCN_reload(combo1);
}//function
function TCN_reload(from){
//averiguamos el indice del combo que llama:
for(j=0;j<comboGroup.length;j++){
if(comboGroup[j]==from){
//el nuestro es el siguiente
i=j+1;
thisCombo=comboGroup[i];
prevCombo=comboGroup[i-1];
prevComboTextIndex=j*2;
thisComboIndex=i;
thisComboTextIndex=(i*2);
thisComboValueIndex=(i*2)+1;
}
}
for (m=thisCombo.options.length-1;m>=0;m--){
thisCombo.options[m]=null;
}
for(i=0;i<arrayValues.length;i++){
existe=false;
if(arrayValues[i][prevComboTextIndex]==prevCombo.options[prevCombo.selectedIndex].text){
for(j=0;j<thisCombo.options.length;j++){
if(arrayValues[i][thisComboTextIndex]==thisCombo.options[j].text){
existe=true;
}
}
if(existe==false){
thisCombo.options[thisCombo.options.length]=new Option(arrayValues[i][thisComboTextIndex],arrayValues[i][thisComboValueIndex]);
}
}
}
thisCombo.options[0].selected=true;
if(thisComboIndex<comboGroup.length-1){
TCN_reload(thisCombo);
}
}
function MM_findObj(n, d) { //v4.01
var p,i,x; if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
if(!x && d.getElementById) x=d.getElementById(n); return x;
}
</script>
</head>
<body>
<form action="" method="get" name="form1">
<select name="continente" style="width:150px" onChange="TCN_reload(this);">
</select>
<select name="pais" style="width:150px" onChange="TCN_reload (this);">
<option selected>
</select>
<select name="ciudad" style="width:150px" onChange="TCN_reload (this);">
</select>
<select name="calle" style="width:150px">
</select>
<script language="JavaScript" type="text/JavaScript">
TCN_makeComboGroup('continente','pais','ciudad','calle');
var separator="<+>";
TCN_addContent("Seleccionar<+>1<+>Seleccionar<+>1<+>Seleccionar<+>1<+>Seleccionar<+>1");
TCN_addContent("Alfa<+>1<+>Alfa 145<+>1<+>Miami<+>1<+>calle1<+>1");
TCN_addContent("Alfa<+>1<+>Alfa 146<+>1<+>Miami<+>1<+>calle1<+>1");
TCN_addContent("Alfa<+>1<+>Alfa 156<+>1<+>Miami<+>1<+>calle1<+>1");
TCN_addContent("Alfa<+>1<+>Alfa 166<+>1<+>Miami<+>1<+>calle1<+>1");
TCN_addContent("Alfa<+>1<+>Alfa GT<+>1<+>Miami<+>1<+>calle1<+>1");
TCN_addContent("Alfa<+>1<+>Alfa GTV<+>1<+>Miami<+>1<+>calle1<+>1");
TCN_addContent("Alfa<+>1<+>Alfa Romeo<+>1<+>Miami<+>1<+>calle1<+>1");
TCN_addContent("Alfa<+>1<+>Alfa Romeo Spider<+>1<+>Miami<+>1<+>calle1<+>5");
TCN_addContent("Audi<+>1<+>Audi A2<+>1<+>Miami<+>1<+>calle1<+>1");
TCN_addContent("Audi<+>1<+>Audi A3<+>1<+>Miami<+>1<+>calle1<+>1");
TCN_addContent("Audi<+>1<+>Audi A4<+>1<+>Miami<+>1<+>calle1<+>1");
TCN_addContent("Audi<+>1<+>Audi A6<+>1<+>Miami<+>1<+>calle1<+>1");
TCN_addContent("Audi<+>1<+>Audi A8<+>1<+>Miami<+>1<+>calle1<+>1");
TCN_addContent("Audi<+>1<+>Audi TT<+>1<+>Miami<+>1<+>calle1<+>1");
TCN_addContent("Audi<+>1<+>Audi TT Coupé<+>1<+>Miami<+>1<+>calle1<+>1");
TCN_addContent("Alfa<+>1<+>Alfa 146<+>1<+>Miami<+>1<+>calle1<+>1");
TCN_addContent("Alfa<+>1<+>Alfa 156<+>1<+>Miami<+>1<+>calle1<+>1");
TCN_addContent("Alfa<+>1<+>Alfa 166<+>1<+>Miami<+>1<+>calle1<+>1");
TCN_addContent("Alfa<+>1<+>Alfa GT<+>1<+>Miami<+>1<+>calle1<+>1");
TCN_addContent("Alfa<+>1<+>Alfa GTV<+>1<+>Miami<+>1<+>calle1<+>1");
TCN_addContent("Alfa<+>1<+>Alfa Romeo<+>1<+>Miami<+>1<+>calle1<+>1");
TCN_addContent("Alfa<+>1<+>Alfa Romeo Spider<+>1<+>Miami<+>1<+>calle1<+>1");
TCN_startCombo();
</script>
</form>
</tr>
<tr height="17">
<td></td>
<td height="17"></td>
</tr>
<tr height="17">
<td></td>
<td height="17"></td>
</tr>
<tr height="17">
<td width="80"></td>
<td height="17" width="80"></td>
</tr>
</table>
</body>
</html>
Pero el problema es que no se si puedo separar cada menu (quizas en separadas celdas de una tabla excel?
Gracias de nuevo
