function isie(){
	var isIE  = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;    // true if we're on ie
	if(navigator.userAgent.indexOf("Opera") != -1){
		isIE = false;
	}
	return isIE;
}

function getEl(id){
    if(document.layers){
        return document.layers[id];
    }
    if(document.all && document.all.item){
        return document.all[id];
    }
    if(document.getElementById){
        return document.getElementById(id);
    }
}

function he(){
    if(document.body.clientWidth){
	   wdt = document.body.clientWidth;
	   clh = document.body.clientHeight;
    }
    if(window.innerWidth){
	   wdt = window.innerWidth;
	   clh = window.innerHeight;
    }
    return clh;
}

function urchinTracker(){}