self.onError=null;
currentX = currentY = 0; 
whichIt = null; 
lastScrollX = 0; lastScrollY = 0;
NS = (document.layers) ? 1 : 0;
IE = (document.all) ? 1: 0;
<!-- STALKER CODE -->
function heartBeat() {
    if(IE) { 
        diffY = document.body.scrollTop; 
		var tempstr = navigator.appVersion;
		var last = 0;//当用 M IE 打开时
		if(diffY<0){
			diffY = 0;
		}else{
			diffY = diffY - last;
		}
        diffX = 0; 
		//document.all.floater.write(diffY);
    }
    if(NS) { 
        diffY = self.pageYOffset; 
        diffX = self.pageXOffset; 
    }
    if(diffY != lastScrollY) {
		percent = .1 * (diffY - lastScrollY);
        if(percent > 0) percent = Math.ceil(percent);
        else percent = Math.floor(percent);
        if(IE) document.all.floater.style.pixelTop += percent;
        if(NS) document.floater.top += percent; 
        lastScrollY = lastScrollY + percent;
    }
    if(diffX != lastScrollX) {
        percent = .1 * (diffX - lastScrollX);
        if(percent > 0) percent = Math.ceil(percent);
        else percent = Math.floor(percent);
        if(IE) document.all.floater.style.pixelLeft += percent;
        if(NS) document.floater.top += percent;
        lastScrollY = lastScrollY + percent;
    } 
} 
function heartMeun(MeunNow,MeunCount){
	if(MeunCount>1){
		for(i=0;i<MeunCount;i++){
			if(i != MeunNow){
			obj = eval("document.all.sumMeun["+i+"].style");
			obj.display="none";
			}
		}
		obj = eval("document.all.sumMeun["+MeunNow+"].style");
	}else{
		obj = eval("document.all.sumMeun.style");
	}
	if(obj.display == "none"){
		obj.display="";
	}else{
		obj.display="none";
	}
}