/*dated 110903 and 050310*/

function show_image(id,xx,yy)
	{if (document.all) 
	    {document.all[id].style.visibility="visible";
	     document.all[id].style.top= yy + 'px';
	     document.all[id].style.left= xx + 'px';
	    }
	 else if (document[id])
	    {document[id].visibility="visible";
	     document[id].top= yy;
	     document[id].left= xx;
	    }
	 else
	    {
	     document.getElementById(id).style.visibility="visible";
	     document.getElementById(id).style.top= yy + 'px';
	     document.getElementById(id).style.left= xx + 'px';
	    }
	}

function hide_image(id)
	{if (document.all) 
	    document.all[id].style.visibility="hidden";
	 else if (document[id])
	    document[id].visibility="hidden";
	 else
	    document.getElementById(id).style.visibility="hidden";
	}