// JavaScript Document
function gong(demo,demo1,demo2,speedTime,fang){   
 var speed=speedTime;
 var MyMarh=setInterval(function(){Marqueeh(demo,demo1,demo2,fang)},speed);
 var div = document.getElementById(demo);
 var div1 = document.getElementById(demo1);
 var div2 = document.getElementById(demo2);
 div2.innerHTML=div1.innerHTML;   
 div.onmouseover=function(){clearInterval(MyMarh);}   
 div.onmouseout=function(){MyMarh=setInterval(function(){Marqueeh(demo,demo1,demo2,fang)},speed);}   
}   
function Marqueeh(demo,demo1,demo2,fang){  
 var div = document.getElementById(demo);
 var div1 = document.getElementById(demo1);
 var div2 = document.getElementById(demo2);
 this.fang = fang;
  if(fang=="left"){
				if(div2.offsetWidth-div.scrollLeft<=0){
				  div.scrollLeft-=div1.offsetWidth;
				  }else{
				  div.scrollLeft++
				  }
			}
			if(fang=="up"){
			
				if(div2.offsetHeight-div.scrollTop<=0){   
  div.scrollTop-=div1.offsetHeight;   
 }else{   
  div.scrollTop++;   
 }  
				
			}
}