var itsloaded = 0;
window.onunload=function(){if (itsloaded == 1) doUnload()};

function openWnd(url,w,h){
	w=(w?w:900);
	h=(h?h:700);
	var wnd=window.open(url,"win","width="+w+",height="+h+",scrollbars=1,toolbar=0,menubar=0,history=0,resizable=1");
	wnd.window.focus();
	return false;
}