if (window.attachEvent) {

//Array containing all PNG images on the page
var g_eshop_png_images_arr = new Array();
var g_eshop_is_printing = false;

//Path to the blank image (1x1 transparent)
var g_eshop_blank_src = "http://www.evelux.cz/js/blank.gif";

//Captures print events
window.attachEvent("onbeforeprint", function () { beforePrint(); } );
window.attachEvent("onafterprint", function () { afterPrint(); } );
//Tests if element is a PNG image, and if so fixes it
function addPngImage(element){
  if (/\.png$/i.test(element.src)) {
    fixImage(element);
    element.attachEvent("onpropertychange", function () 
      { propertyChanged(); } );
    g_eshop_png_images_arr[g_eshop_png_images_arr.length] = element;
  }
}

//Applies filter and changes source to blank
function fixImage(element) {
  element.runtimeStyle.filter = 
   "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + element.src + "')";
  element.src = g_eshop_blank_src;
}

//If property "src" is changed fixs image (not 
//if it is changed to blank though)
function propertyChanged() {
  if (g_eshop_is_printing) return;
  var element = event.srcElement;
  var pName = event.propertyName;
  if (pName != "src") return;
  if (!new RegExp(g_eshop_blank_src).test(element.src))
    fixImage(element);

}

//Turns image back to original before print (Explorer can't print filters)
function beforePrint() {
  g_eshop_is_printing = true;
  var element;
  for(var i = 0; i < g_eshop_png_images_arr.length; i++){
    element = g_eshop_png_images_arr[i];
    element.src = element.filters[0].src;
    element.runtimeStyle.filter = "";
  }

}

//Fixes image after print
function afterPrint() {
  g_eshop_is_printing = false;
  var element;
  for(var i = 0; i < g_eshop_png_images_arr.length; i++){
    element = g_eshop_png_images_arr[i];
    fixImage(element);

  }
}

}