function dhtmlLoadScript(url)
{
   var e = document.createElement("script");
   if (url == null) url="GmapDefault.js"
   e.src = url;
   e.type="text/javascript";
   document.getElementsByTagName("head")[0].appendChild(e); 
}

if (opener) {
	if(opener.JSfile) dhtmlLoadScript(opener.JSfile);
	}
	else dhtmlLoadScript("GmapDefault.js");