function change_imgs(imgs) 
{ 
swfobject.embedSWF(imgs, "img_big", "377", "210", "9.0.0");
//document.getElementById("img_big").src= imgs;
//document.getElementById("description").innerHTML = html ;
} 

var zxcTO;

function Scroll(id,dis,pos){
 var obj=document.getElementById(id);
 obj.scrollTop=obj.scrollTop+dis;
 if (pos)
 {
  obj.scrollTop=pos;  
 }
 else {
  zxcTO=setTimeout( function(){ Scroll(id,dis); },10);
  }
}


function reset_scroll(id)
{
 var obj=document.getElementById(id);
 obj.scrollTop=obj.scrollHeight;
}