function pngfix() {
	var arVersion = navigator.appVersion.split("MSIE")
	var version = parseFloat(arVersion[1])
	
	if ((version >= 5.5) && (document.body.filters)) 
	{
	   for(var i=0; i<document.images.length; i++)
	   {
		  var img = document.images[i]
		  var imgName = img.src.toUpperCase()
		  if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
		  {
			 var imgID = (img.id) ? "id='" + img.id + "' " : ""
			 var imgClass = (img.className) ? "class='" + img.className + "' " : ""
			 var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
			 var imgStyle = "display:inline-block;" + img.style.cssText 
			 if (img.align == "left") imgStyle = "float:left;" + imgStyle
			 if (img.align == "right") imgStyle = "float:right;" + imgStyle
			 if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle
			 var strNewHTML = "<span " + imgID + imgClass + imgTitle
			 + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
			 + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
			 + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>" 
			 img.outerHTML = strNewHTML
			 i = i-1
		  }
	   }
	}
}
function alertSize() {
  var myWidth = 0, myHeight = 0;
  if( typeof( window.innerWidth ) == 'number' ) {
    //Non-IE
    myWidth = window.innerWidth;
    myHeight = window.innerHeight;
  } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
    //IE 6+ in 'standards compliant mode'
    myWidth = document.documentElement.clientWidth;
    myHeight = document.documentElement.clientHeight;
  } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
    //IE 4 compatible
    myWidth = document.body.clientWidth;
    myHeight = document.body.clientHeight;
  }
  return myWidth;
}

function addNoShip() {
		new Element('div').setProperty('id', 'overlay').injectInside(document.body);
		$('overlay').setStyle('position', 'absolute');
		var im = new Element('img').injectInside($('overlay'));
		var f = function() {
			if (alertSize() > 900) {
				$('overlay').setStyle('left', (alertSize()-200));
			} else {
				$('overlay').setStyle('left', '760px');
			}
			$('overlay').setStyle('display', 'block');
			var ie7 = (document.all && !window.opera && window.XMLHttpRequest) ? true : false;
			if (!ie7) pngfix();
		}
		im.onload = f;
		im.src='images/no-shipping.png';
}
window.addEvent('load', function() {
	addNoShip();
});
window.onresize = function(){
	if (alertSize() > 900) {
		$('overlay').setStyle('left', (alertSize()-200));
	} else {
		$('overlay').setStyle('left', '760px');
	}
}