<!--//

var isNav4, isIE4
var range = ""
var styleObj = ""
if (navigator.appVersion.charAt(0) >= "4") {
                if (navigator.appName == "Netscape") {
                        isNav4 = true
                } else {
                        isIE4 = true
                        range = "all."
                        styleObj = ".style"
                }
}

function getObject(obj) {
                var theObj = "";
                if (typeof obj == "string") {
                        theObj = eval("document." + range + obj + styleObj)
                        
                } else {
                        theObj = obj
                }
                return theObj
}

function show(obj) {
			/* 
                var theObj = getObject(obj)
                theObj.visibility = "visible"
            */
            var elem = document.getElementById(obj);
            elem.style.visibility = "visible";
        
}

function hide(obj) {
			/*
                var theObj = getObject(obj) 
                theObj.visibility = "hidden"
            */
			var elem = document.getElementById(obj);
            elem.style.visibility = "hidden";
} 

//-->