function picFly(){
   var tag  = document.getElementById('mhmove');
   var tag1 = document.getElementById('mhmove1');
   var tag2 = document.getElementById('mhmove2');
   var speed=20    
   tag2.innerHTML=tag1.innerHTML 
   function Marquee3(){ 
   if(tag2.offsetWidth-tag.scrollLeft<=0) 
   tag.scrollLeft-=tag1.offsetWidth 
   else{ 
   tag.scrollLeft++ 
   } 
   } 
   function Marquee4(){ 
   if(tag2.offsetHeight-tag.scrollTop<=0) 
   tag.scrollTop-=tag1.offsetHeight 
   else{ 
   tag.scrollTop++ 
   } 
   }
   var MyMar2=setInterval(Marquee3,speed) 
   tag.onmouseover=function() {clearInterval(MyMar2)} 
   tag.onmouseout=function() {MyMar2=setInterval(Marquee3,speed)} 
}