//var imgExp = new Image(12,12); imgExp.src="../images/blue_arrow_dn.gif";
//var imgCollapse = new Image(12,12); imgCollapse.src="../images/blue_arrow_rt.gif";

function ExpCollapse(index) {
	//table
	var doc_tables = document.all.tags("TABLE");
	var coll= doc_tables['QA'];
	if (coll.length > 0) {
		ToggleTable(coll[index]);
		}
	else 	{
		ToggleTable(coll);
		}
	//image
	var doc_images = document.all.tags("IMG");
	var coll = doc_images['QA'];
	if (coll.length > 0) {
		ToggleImage(coll[index]);
		}
	else	{
		ToggleImage(coll);
		}
	}

function ToggleTable(el) {
	if (el.style.display != "block") {
		el.style.display = "block";
		}
	else	{
		el.style.display = "none";
    		}
	
	}

function ToggleImage(el) {
	var imgExp = document.images['down'];
	var imgCollapse = document.images['right'];
	if (el.src == imgExp.src) {
		el.src = imgCollapse.src
		}
	else {
		el.src = imgExp.src
		}							
	}