function popWin(winURL,winName,winType,winWidth,winHeight) {
  // valid winType are:
  // resizable, fixed, complete
  // call this function like this:
  // <a href="link.html" onclick="popWin(this.href,this.target,'complete','500','600');return false;" target="newwind">
  if (winType == 'resizable') {
    features = 'resizable, scrollbars, width='+winWidth+',height='+winHeight;
  } else if (winType == 'fixed') {
    features = 'width='+winWidth+',height='+winHeight;
  } else if (winType == 'complete') {
    features = 'toolbar,menubar,scrollbars,resizable,location,width='+winWidth+',height='+winHeight;
  }
  var newWin = window.open(winURL,winName,features);
  newWin;
  newWin.focus();
  return true;
}