serviceqq2.js

电子商城

self.onError=null;
currentX = 0;
currentY =400;  
whichIt = null;           
lastScrollX = 0; 
lastScrollY = 0;
NS = (document.layers) ? 1 : 0;
IE = (document.all) ? 1: 0;
function heartBeat() {
	if(IE) { diffY = document.documentElement.scrollTop; diffX = document.documentElement.scrollLeft; }
	if(NS) { diffY = self.pageYOffset; diffX = self.pageXOffset; }
	//alert(diffX);
	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;
	}
}

function checkFocus(x,y) { 
		stalkerx = document.floater.pageX;
		stalkery = document.floater.pageY;
		stalkerwidth = document.floater.clip.width;
		stalkerheight = document.floater.clip.height;
		if( (x > stalkerx && x < (stalkerx+stalkerwidth)) && (y > stalkery && y < (stalkery+stalkerheight))) 
			return true;
		else 
			return false;
}

function grabIt(e) {
	if(IE) {
		whichIt = event.srcElement;
		while (whichIt.id.indexOf("floater") == -1) {
			whichIt = whichIt.parentElement;
			if (whichIt == null) { 
				return true; 
			}
		}

		whichIt.style.pixelTop = whichIt.offsetTop;
		currentY = (event.clientY + document.body.scrollTop); 	
	}
		
	if(checkFocus (e.pageX,e.pageY)) { 
		whichIt = document.floater;
		StalkerTouchedX = e.pageX-document.floater.pageX;
		StalkerTouchedY = e.pageY-document.floater.pageY;
	} else { 
		window.captureEvents(Event.MOUSEMOVE);
	}
	return true;
}
document.onmousedown = "grabIt";
action = window.setInterval("heartBeat()",1);