function showContent(which) {
		menusInactive();
		hideAllContent();
		which.className = "leftmenuActive";
		var contentdiv = which.id.replace("_menu", "_content");
		document.getElementById(contentdiv).style.display = "block";
		return false;
	}

	function menusInactive() {
		var b = document.getElementsByTagName("a");
		for (var x in b) {
			try { if (b[x].className.indexOf("leftmenu") > -1) b[x].className = "leftmenu"; } catch (err) {}
		}
	}		

	function hideAllContent() {
		var b = document.getElementsByTagName("div");
		for (var x in b) {
			try { if (b[x].className.indexOf("contentframe") > -1) b[x].style.display = "none"; } catch (err) {}
		}
	}