var ajax = new sack();

function getsublist(sel)
{
	var cat = sel.options[sel.selectedIndex].value;

	if(cat.length=0)
	var obj = document.getElementById('sid');
		document.getElementById('sid').options.length = 0;	
		document.startsearch.sid.options[document.startsearch.sid.options.length] = new Option('All','');
		document.startsearch.sid.disabled = false;

	if(cat.length>0){
		document.getElementById('sid').options.length = 0;
		document.startsearch.sid.options[document.startsearch.sid.options.length] = new Option('Loading','');
		document.startsearch.sid.disabled = true;
			ajax.requestFile = 'lscat.asp?cat='+cat;	
			ajax.onCompletion = createSubCats;	
			ajax.runAJAX();			
	}
}

function createSubCats()
{
	var obj = document.getElementById('sid');
	document.getElementById('sid').options.length = 0;
	document.startsearch.sid.disabled = false;
	eval(ajax.response);		
}