function D2BoxUnfolded(id){
	var s=new String(document.images["img_"+id].src);
	 return (s.indexOf("pics/iconDown.gif")>=1);
}


function D2BoxResize(id){
	var o=document.getElementById(id);
	var r=o.contentWindow.document.getElementById('ruler');
	if((r)&&(D2BoxUnfolded(id)))o.height=r.offsetTop;
	else o.height=0;
}

function D2Box(id,url){
  url=QueryReplace(url,"layer",id);
  var o=document.getElementById(id);
  var unfold=!D2BoxUnfolded(id);
  if(unfold){
  	document.images["img_"+id].src="pics/iconDown.gif";
  }	
  else document.images["img_"+id].src="pics/iconNext.gif";
  if(o.src!=url)o.src=url;
  
  D2BoxResize(id);  
}