var blank = new Image();
blank.src = 'images/blank.gif';


function fixPng(png) {
 // get src
 var src = png.src;
 // set width and height
 if (!png.style.width) { png.style.width = $(png).width(); }
 if (!png.style.height) { png.style.height = $(png).height(); }
 // replace by blank image
 png.onload = function() { };
 png.src = blank.src;
 // set filter (display original image)
 png.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "',sizingMethod='scale')";
}

function fixAllPng()
{
  var badBrowser = (/MSIE ((5\.5)|6)/.test(navigator.userAgent) && navigator.platform == "Win32");
  if (badBrowser) {
   // get all pngs on page
   $('img[src$=.png]').each(function() {
    if (this.className != "main_menu_item_img")
    {
     if (!this.complete) {
       this.onload = function() { fixPng(this) };
     } else {
       fixPng(this);
     }
    }
   });
  }
}