// JavaScript Document
function bgon(obj){
	obj.style.backgroundImage = "url(images/moduleon.gif)";
}
function bgoff(obj){
	obj.style.backgroundImage = "url(images/moduleoff.gif)";
}
function ScrollImgTop(){
	var speed=20;
	var scroll_begin = document.getElementById("scroll_begin");
	var scroll_end = document.getElementById("scroll_end");
	var scroll_div = document.getElementById("scroll_div");
	
	scroll_end.innerHTML=scroll_begin.innerHTML;
  	function Marquee(){
    	//if(scroll_end.offsetTop-scroll_div.scrollTop<=0){
		if(scroll_begin.offsetHeight-scroll_div.scrollTop<=0){
      		scroll_div.scrollTop-=scroll_begin.offsetHeight;
		}
    	else{
      		scroll_div.scrollTop++;
		}
  	}
	var MyMar=setInterval(Marquee,speed);
  	scroll_div.onmouseover=function() {clearInterval(MyMar);}
  	scroll_div.onmouseout=function() {MyMar=setInterval(Marquee,speed);}
}