// JavaScript Document

function infoBox(url, w, h) {
   var l = (window.screen.width-w)/2;
   var t = (window.screen.height-h)/2;
   if (l < 0) l = 0;
   if (t < 0) t = 0;
   popup = window.open(url,'target','width='+w+',height='+h+',top='+t+',left='+l+',scrollbars=0,resizable=0');
   popup.window.focus();
}