// JavaScript Document
var newwindow = ' '

var winl = (screen.width - 600) / 2;
var wint = (screen.height - 430) / 2;


function popupWin(url, width, height) {
if (newwindow.location && !newwindow.closed) {
    newwindow.location.href = url; 
    newwindow.focus(); } 
else { 
	
    newwindow=window.open(url,'htmlname','width='+width+',height='+height+',resizable=0,left=' +  winl + ',top=' + wint);} 
}