var t1,t2;
function move_left(i){
	 if (t2!=""){clearTimeout(t2);}
	 i=i+1;
	 document.getElementById("link_content").scrollLeft=document.getElementById("link_content").scrollLeft-2;
	 if (i>350)
		return;
	else{
	t1=setTimeout("move_left("+ i +")",15);
	//alert("111");
	}			 
}
   function move_right(i){
	  if (t1!=""){clearTimeout(t1);}
	 i=i+1;
	 document.getElementById("link_content").scrollLeft=document.getElementById("link_content").scrollLeft+2;
	 if (i>350)
		return;
	 else{
	 t2=setTimeout("move_right("+ i +")",15);
	//alert(i);
	} 
}