ns4 = (document.layers)? true:false
ns6 = (navigator.product=="Gecko")? true:false
ie4 = (document.all)? true:false

var intWinHeight, intWinWidth;
var intWinMaxWidth = 780; 


function WindowSizeCheck() 
{ 
    if (ie4) 
    { 
	    intWinWidth = document.body.offsetWidth; 
	    intWinHeight = document.body.offsetHeight; 
    } 
    else if (ns4 || ns6) 
    { 
	    intWinWidth = window.innerWidth; 
	    intWinHeight = window.innerHeight; 
    } 
} 
                        
/*
var en_menu1_on  = new Image().src = "gfx/jan2008/en_about_on.png";
var en_menu1_off = new Image().src = "gfx/jan2008/en_about_off.png";
var en_menu5_on  = new Image().src = "gfx/jan2008/en_contact_on.png";
var en_menu5_off = new Image().src = "gfx/jan2008/en_contact_off.png";
var en_menu3_on  = new Image().src = "gfx/jan2008/en_gallery_on.png";
var en_menu3_off = new Image().src = "gfx/jan2008/en_gallery_off.png";
var en_menu4_on  = new Image().src = "gfx/jan2008/en_pricelist_on.png";
var en_menu4_off = new Image().src = "gfx/jan2008/en_pricelist_off.png";
var en_menu2_on  = new Image().src = "gfx/jan2008/en_reservation_on.png";
var en_menu2_off = new Image().src = "gfx/jan2008/en_reservation_off.png";

var de_menu1_on  = new Image().src = "gfx/jan2008/de_about_on.png";
var de_menu1_off = new Image().src = "gfx/jan2008/de_about_off.png";
var de_menu5_on  = new Image().src = "gfx/jan2008/de_contact_on.png";
var de_menu5_off = new Image().src = "gfx/jan2008/de_contact_off.png";
var de_menu3_on  = new Image().src = "gfx/jan2008/de_gallery_on.png";
var de_menu3_off = new Image().src = "gfx/jan2008/de_gallery_off.png";
var de_menu4_on  = new Image().src = "gfx/jan2008/de_pricelist_on.png";
var de_menu4_off = new Image().src = "gfx/jan2008/de_pricelist_off.png";
var de_menu2_on  = new Image().src = "gfx/jan2008/de_reservation_on.png";
var de_menu2_off = new Image().src = "gfx/jan2008/de_reservation_off.png";
*/


var background = new Image().src = "gfx/jan2008/bg.jpg";

var polish_on = new Image().src = "gfx/jan2008/pl_flag_on.jpg";
var polish_off = new Image().src = "gfx/jan2008/pl_flag_off.jpg";
var english_on = new Image().src = "gfx/jan2008/en_flag_on.jpg";
var english_off = new Image().src = "gfx/jan2008/en_flag_off.jpg";
var german_on = new Image().src = "gfx/jan2008/de_flag_on.jpg";
var german_off = new Image().src = "gfx/jan2008/de_flag_off.jpg";


<!--[if lt IE 7]>

function correctPNG() // correctly handle PNG transparency in Win IE 5.5 & 6.
{
  var arVersion = navigator.appVersion.split("MSIE")
  var version = parseFloat(arVersion[1])
  if ((version >= 5.5) && (version < 7) && (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
        }
     }
  }
}
window.attachEvent("onload", correctPNG);
<![endif]-->