//Top Scroll 

self.onError=null;
var ScrcurrentX = 0
var ScrcurrentY = 0;  
var whichIt = null;           
var ScrlastScrollX = 0; 
var ScrlastScrollY = 0;
var NS = (document.layers) ? 1 : 0;
var IE = (document.all) ? 1: 0;

function heartBeatGo() {
	
	var PER;
	var diffY,diffX
	
	if(IE) { 
		diffY = document.body.scrollTop; 
		diffX = 0; 
	       }
    if(NS) { diffY = self.pageYOffset; diffX = self.pageXOffset; }
	if(diffY != ScrlastScrollY) {
             PER = 0.1 * (diffY - ScrlastScrollY);
              
                if(PER > 0){ 
					PER = Math.ceil(PER);
                }else{ 
					PER = Math.floor(PER);
                }
               
		if(IE && document.all.SCROLLTOP.style.pixelTop+PER) document.all.SCROLLTOP.style.pixelTop += PER;

		if(NS) document.SCROLLTOP.top += PER; 
                ScrlastScrollY = ScrlastScrollY + PER;

    }
	
	if(diffX != ScrlastScrollX) {
		PER = 0.1 * (diffX - ScrlastScrollX);
		
		if(PER > 0){ 
			PER = Math.ceil(PER);
		}else{ 
			PER = Math.floor(PER);
		}
		
		if(IE) document.all.SCROLLTOP.style.pixelLeft += PER;
		if(NS) document.SCROLLTOP.top += PER;
		
		ScrlastScrollY = ScrlastScrollY + PER;
	}
	
	
}	

function loadTopBtn(){
	//alert("test")
	window.setInterval("heartBeatGo()",1);
}