function productPop(url){
  width=800;
  height=580;
  myWindow=window.open(url, 'displayWindow','width=' + width + ',height=' + height + ', location=no, menubar=no, window.status=no, toolbar=no, scrollbars=yes, resizable=no');
  myWindow.focus();
}

function newImage(arg){
  if (document.images){
    rslt = new Image();
    rslt.src = arg;
    return rslt;
  }
}

function changeImages(){
  if (document.images && (preloadFlag == true)){
    for (var i=0; i<changeImages.arguments.length; i+=2){
     document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
    }
  }
}

var preloadFlag = false;