var lastDropdown;
		var lastTab;
		function toggleDropdowns(obj,par,x,y) {
			if(document.getElementById(obj).style.visibility == 'visible') {
				doString = "document.getElementById('" + obj + "').style.visibility = 'hidden'";
				lastDropdown = setTimeout(doString,1000);
			}
			else{
				doString = "document.getElementById('" + obj + "').style.visibility = 'visible'";
				lastDropdown = setTimeout(doString,10);
				doString = "document.getElementById('" + obj + "').style.visibility = 'hidden'";
				lastDropdown = setTimeout(doString,4000);
				document.getElementById(obj).style.left = par.offsetLeft + x;
				document.getElementById(obj).style.top = par.offsetTop + y;
			}
		}
		function cancelDropdowns() {
			clearTimeout(lastDropdown);
		}
		function toggleNav(obj,img) {
			if(document.getElementById(obj).style.display == 'block') {
				document.getElementById(obj).style.display = 'none';
				document.getElementById(img).src = '../examples/images/plus.gif';
			}
			else{
				document.getElementById(obj).style.display = 'block';
				document.getElementById(img).src = '../examples/images/minus.gif';
			}
		}
		
		function toggleTab() {
			for(i=1;i<toggleTab.arguments.length;i++) {
				document.getElementById(toggleTab.arguments[i]).style.display = 'none';
			}
			document.getElementById(toggleTab.arguments[0]).style.display = 'block';
		}