/**
  * @param obj_div
  * @param obj_iframe
  * @param src
  * @param W
  * @param H
  * @param L
  * @param T
  **/
function popup_div( obj_div, obj_iframe, src,  W, H, L, T ) {
	try{
	//recarrega
	obj_iframe.src = src;
    }catch(e){ alert(e); }

	with( obj_div.style ) {
	display = "block";
	position = "absolute";
	width = W;
	height = H;

	var winl = (document.body.clientWidth-W)/2;
	var wint = (document.body.clientHeight-H)/2;
	top = (wint<0)?0:wint;
	left = (winl<0)?0:winl;
	}//end with
}//end function

/**
  * @param obj
  **/
function unpop_div( obj ) { obj.style.display = "none"; }