function expandCollapse() {
//alert('test');
	for (var i=0; i<expandCollapse.arguments.length; i++) {
//	alert('i='+i);
		var element = document.getElementById(expandCollapse.arguments[i]);
//		alert('id='+expandCollapse.arguments[i]);
		//alert(element);
		if (element){
			element.style.display = (element.style.display == "none") ? "block" : "none";
			if (element.style.display == "block"){
			//alert("element="+element.id);
			element.style.visibility="visible";

			}
		}
	}
}