// New Centered Popup Window

var win= null;
function newWindow(mypage,myname,popW,popH,resize,scroll){
  var winl = (screen.width-popW)/2;
  var wint = (screen.height-popH)/2;
  var settings  = 'width='+popW+',height='+popH+',top='+wint+',left='+winl+','+resize+','+scroll;
  win=window.open(mypage,myname,settings);
  if(parseInt(navigator.appVersion) >= 4){win.window.focus();}
}

//<a href="http://www.js-examples.com/" onclick="newWindow(this.href,'name','popW','popH','resizable=no','scrollbars=yes');return false"  onmouseover=" window.status='Text here'; return true" onmouseout="window.status=''; return true">click to open new window</a>