function expandFirst() {
			document.getElementById(expandFirst.arguments[0]).style.display = "block";
			for (var i=1; i<expandFirst.arguments.length; i++) {
				document.getElementById(expandFirst.arguments[i]).style.display = "none";
			}
		}
function expandCollapse() {
	for (var i=0; i<expandCollapse.arguments.length; i++) {
		if(i==0){
			var element = document.getElementById(expandCollapse.arguments[i]);
			element.style.display ="block";
		}else{
			var element = document.getElementById(expandCollapse.arguments[i]);
			element.style.display ="none";
		}
	}
}