var isDHTML=0;
		var isID=0;
		var isAll=0;
		var isLayers=0;
			
		if (document.getElementById) {isID = 1; isDHTML = 1;}
		else
		{
			if (document.all) {isAll = 1; isDHTML = 1;}
			else {browserVersion=parseInt(navigator.appVersion);
			      if ((navigator.appName.indexOf('Netscape') != -1) && (browserVersion==4)) {isLayers=1; isDHTML=1;}}
		}

		function toggleLinks(name) {
			if (isID) {	var x = document.getElementById(name).style; }
			else 
			{ if (isAll) { var x = document.all[name].style; } 
				else
				{ if (isLayers) { var x = document.layers[name].style ; }
				}
			}

			if (x.display == 'block') x.display = 'none';
			else x.display = 'block';
		}