function popup(href, width, height, scrollbars) {
  width ? null : width = 640;
  height ? null : height = 480;
  scrollbars ? 'yes' : 'no';

//  if( typeof( window.innerWidth ) == 'number' ) {
//    //Non-IE
//    left = window.innerWidth;
//    top = window.innerHeight;
//  } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
//    //IE 6+ in 'standards compliant mode'
//    left = document.documentElement.clientWidth;
//    top = document.documentElement.clientHeight;
//  } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
//    //IE 4 compatible
//    left = document.body.clientWidth;
//    top = document.body.clientHeight;
//  }
//
//	left = (left - width / 2) / 2;
//	top = (top - height / 2) / 2;

  var top = 1;
  var left = 1;

	popupWindow = window.open(href, 'popUp', 'location=no,status=no,scrollbars='+ scrollbars +',toolbar=no,directories=no,resizable=no,width='+width+',height='+height+',left='+left+',top='+top);
	popupWindow.focus();
}