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; 
		  diffX = 0; 
		   }
	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;
	}	
}	
if(NS || IE) action = window.setInterval("heartBeat()",1);

function click_slide(slide_sno){
	document.slide_form.action="/analysis/nr_SlideClick_proc.jsp";
    document.slide_form.slide_sno.value=slide_sno;
	document.slide_form.submit();
}