function wopen(url, w_name, w_width, w_height, topWin, leftWin) {
	if (!w_width || !w_height) return false;
	w_width+=20;
	w_height+=20;
	
	var params = "menubar=no,toolbar=no,status=no";
	if (!(w_width>1024 || w_height>768))	
	{
	    params = params+',scrollbars=no';
	}
	else
	{	
	    w_width = 1024;
	    w_height = 768;	    	
	    params = params+',scrollbars=yes';
	}
	
	params = params+",width="+w_width+",height="+w_height+",top="+topWin+",left="+leftWin;

	gWindow = window.open(url, "frfrfrfrf",params);
	if (gWindow) gWindow.focus();
	return false;
}