// JavaScript Document
function initExpander() {
var divlike;
for(divlike=1; divlike<13; divlike++){
	var nm = 'div'+eval(divlike);
	document.getElementById(nm).style.display='none';
	}
}

function getElementsByClass(searchClass,node,tag) {
	var classElements = new Array();
	if ( node == null )
		node = document;
	if ( tag == null )
		tag = '*';
	var els = node.getElementsByTagName(tag);
	var elsLen = els.length;
	var pattern = new RegExp("(^|\s)"+searchClass+"(\s|$)");
	for (i = 0, j = 0; i < elsLen; i++) {
		if ( pattern.test(els[i].className) ) {
			classElements[j] = els[i];
			j++;
		}
	}
	return classElements;
}

function expander(num){
var divlike;
var divnum = getElementsByClass('tier1a');
var divnumlen = divnum.length;
	for(divlike=1; divlike<divnumlen; divlike++)
	{
		var nm = 'div'+divlike;
		var links = 'link'+divlike;
		if (divlike != num) 
		{
			document.getElementById(nm).style.display='none';
			document.getElementById(links).className='tier1a';
		}
		else 
		{
			if (document.getElementById(nm).style.display=='block') 
			{
				document.getElementById(nm).style.display='none';
				document.getElementById(links).className='tier1a';
			}
			else 
			{
				document.getElementById(nm).style.display='block';
				document.getElementById(links).className='selected';
			}
		}
		
	}

}