function MakeItBig(prodImgName,prodAltTag){
  var popupwin = window.open('', 'popUpWindow','width=100,height=100,titlebar=0,status=0,addressbar=0');
  popupwin.document.writeln('<html>');
  popupwin.document.writeln('<head>');
  popupwin.document.writeln('<title>H2O Filter Warehouse</title>');
  popupwin.document.writeln('<script language=\"javascript\" type=\"text\/javascript\">');
  popupwin.document.writeln('  function AutoResizePopUpWin(SelectedImage){ ');
  popupwin.document.writeln('  var ImgWidth=document.getElementById(SelectedImage).width; ');
  popupwin.document.writeln('  var ImgHeight=document.getElementById(SelectedImage).height; ');
  popupwin.document.writeln('  window.resizeTo(ImgWidth,ImgHeight); ');

  popupwin.document.writeln('  var myWidth = 0, myHeight = 0; ');
  popupwin.document.writeln('  if( typeof( window.innerWidth ) == \'number\' ) { ');
  /*popupwin.document.writeln('  \/\/Non-IE ');*/
  popupwin.document.writeln('  myWidth = window.innerWidth; ');
  popupwin.document.writeln('  myHeight = window.innerHeight; ');
  popupwin.document.writeln('  } else if( document.documentElement && ');
  popupwin.document.writeln('  ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) { ');
  /*popupwin.document.writeln('  //IE 6+ in \'standards compliant mode\' ');*/
  popupwin.document.writeln('  myWidth = document.documentElement.clientWidth; ');
  popupwin.document.writeln('  myHeight = document.documentElement.clientHeight; ');
  popupwin.document.writeln('  } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) { ');
  /*popupwin.document.writeln('  \/\/IE 4 compatible ');*/
  popupwin.document.writeln('  myWidth = document.body.clientWidth; ');
  popupwin.document.writeln('  myHeight = document.body.clientHeight; ');
  popupwin.document.writeln('  } ');
  /*popupwin.document.writeln('window.alert(\'Width = \' + myWidth) ');
  popupwin.document.writeln('window.alert(\'Height = \' + myHeight) ');*/

  popupwin.document.writeln('  window.resizeBy((ImgWidth-myWidth),(ImgHeight-myHeight)); ');

  /*popupwin.document.writeln('  alert("parent.width="+parent.width+"  parent.Height="+parent.Height)');
  popupwin.document.writeln('if ((document.body.offsetWidth)!=(ImgWidth)) { ');
  popupwin.document.writeln('  window.resizeBy((ImgWidth-document.body.offsetWidth),(ImgHeight-document.body.offsetHeight)); ');
  popupwin.document.writeln(' }');*/
  popupwin.document.writeln('} ');
  popupwin.document.writeln('window.status=\"CLICK IMAGE TO CLOSE\";');
  popupwin.document.writeln('<\/script> ');
  popupwin.document.writeln('</head>');
  popupwin.document.writeln('<body style=\"overflow:hidden;margin:0px;padding:0px;\" onblur=\"self.focus\" onload=\"window.status=\'CLICK IMAGE TO CLOSE\'\" >');
  popupwin.document.writeln('<div align=\"center\">');
  popupwin.document.writeln('<a href=\"javascript:void(0);\" onclick=\"javascript:self.close();\" onmouseover=\"window.status=\'CLICK IMAGE TO CLOSE\'\" onmouseout=\"window.status=\'CLICK IMAGE TO CLOSE\'\"><img src=\"/global/productpics/l/'+prodImgName+'\" border=\"0\" alt=\"'+prodAltTag+'\" title=\"'+prodAltTag+'\" id=\"PopUpWindowImage\" onload=\"javascript:AutoResizePopUpWin(this.id);\" /></a>');
  popupwin.document.writeln('</div></body></html>');
  popupwin.document.close();
}
