var platform = navigator.appVersion.indexOf("Macintosh")
var browser = navigator.appName.substr(0,9);
var Netscape4 = (browser != "Microsoft") && (navigator.vendor != ("Netscape6")) && (navigator.product != ("Gecko"));
var Hide = 1;


function winUP(catname, th)
{
	if (catname != null) {
		
		if(browser == "Microsoft"){
			eval("document.all." + catname).style.top = (event.srcElement.offsetParent.offsetTop + 198);
			eval("document.all." + catname).style.visibility = "visible";
		}
		else if (navigator.vendor == ("Netscape6") || navigator.product == ("Gecko")){
			eval("document.getElementById('" + catname +"')").style.visibility = "visible";
		}
		else {
			eval("document." + catname).visibility = "visible";
		}

	}
} 


function winDOWN(catname)
{
	if (catname != null) {
		if (Hide == 1) {
			if(browser == "Microsoft"){
				eval("document.all." + catname).style.visibility = "hidden";
			}
			else if (navigator.vendor == ("Netscape6") || navigator.product == ("Gecko")){
				eval("document.getElementById('" + catname +"')").style.visibility = "hidden";
			}
			else {
				eval("document." + catname).visibility = "hidden";
			}
		}

	}
}