function v_open_popup(url,w,h,scr,opt,name) {
	if( !scr ) scr = "no";
	return v_open_window(url,name,opt+",scrollbars="+scr+",width="+w+",height="+h);
}

function v_open_window(url,name,opt) {
	if( !name ) {
		var d = new Date();
		name = "v_win"+d.getTime();
	}
	var win = window.open(url,name,opt);
	win.opener = top;
	win.focus();
	return win;
}