function popup(mypage, myname, w, h, scroll) 
 {
 var url = mypage;
 var winl = (screen.width - w) / 2;
 var wint = (screen.height - h) / 2;
 winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+''
 win = window.open(url, myname, winprops)
 if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
 }

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function MM_displayStatusMsg(msgStr) { //v2.0
  status=msgStr;
  document.MM_returnValue = true;
}