var locWin = null;

function popup(loc, wn, wf) {
	var w, url, winName, winFeatures;
	
	url = loc;
	winName = wn;
	winFeatures = wf;

	w = window.open(url, winName, winFeatures);
	w.focus();
}

function launch(n, loc, w, h) {
	var winName, winFeatures;
	
	winName = n;
	winFeatures = "width="+w+",height="+h+",toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,left=20,top=20,screenX=20,screenY=20";

	popup(loc, winName, winFeatures);
}