// JavaScript Document

var lastScrollY=0;
function heartBeat(){ 
diffY=document.documentElement.scrollTop; 
percent=0.1*(diffY-lastScrollY); 
if(percent>0)percent=Math.ceil(percent); 
else percent=Math.floor(percent); 
document.getElementById("server").style.top=parseInt(document.getElementById("server").style.top)+percent+"px";
lastScrollY=lastScrollY+percent; 
}

function resizeimg(ImgD,imgwidth,imgheight){
	var flag=false;  
	var image=new Image(); 
	image.src=ImgD.src; 
	if(image.width>0 && image.height>0){ 
		flag=true; 
		if(image.width/image.height>= imgwidth/imgheight){ 
			if(image.width>imgwidth){
				ImgD.width=imgwidth; 
				ImgD.height=(image.height*imgwidth)/image.width; 
			}else{ 
				ImgD.width=image.width;
				ImgD.height=image.height; 
			} 
		} 
		else{ 
			if(image.height>imgheight){
				ImgD.height=imgheight; 
				ImgD.width=(image.width*imgheight)/image.height; 
			}else{ 
				ImgD.width=image.width;
				ImgD.height=image.height; 
			} 
		} 
	}
}