self.onError=null;
	currentX = currentY = 0;  
	whichIt = null;           
	lastScrollX = 0; lastScrollY = 0;
	
	NS = (document.layers) ? 1 : 0;
	IE = (document.all) ? 1 : 0;
	
	function indiceMov() {
	
		if(IE) { diffY = window.document.body.scrollTop; diffX = window.document.body.scrollLeft; }
	    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.indicemov.style.pixelTop += percent;
					if(NS) document.indicemov.top += percent; 
	                lastScrollY = lastScrollY + percent;
	   }
	
	}