function changeFoto(vstup)
 {
   document.getElementById('detail_fotka').innerHTML='<img src="'+vstup+'" alt="" />';
 }

function zalozka(vstup)
 {
   document.getElementById('top_zalozky').style.backgroundImage=("url(design/back_kontakt_blok_top_"+vstup+".png)");
   document.getElementById('zalozka_1').style.display="none";
   document.getElementById('zalozka_2').style.display="none";
   document.getElementById('zalozka_'+vstup).style.display="";
 }

$(document).ready(function(){

    $("#zalozky").click(function()
     {
         $("#zalozky_obsah").slideToggle('slow',function(){
             $("#zalozky_sipky").toggleClass('sipky_on');
         });
       
     });
     
    $(".button").mouseover(function()
     {
       $(".left",this).addClass('leftLight');
       $(".center",this).addClass('centerLight');
       $(".center_sk",this).addClass('centerLight');
       $(".center_en",this).addClass('centerLight');
       $(".right",this).addClass('rightLight');
     }).mouseout(function(){
       $(".left",this).removeClass('leftLight');
       $(".center",this).removeClass('centerLight');
       $(".center_sk",this).removeClass('centerLight');
       $(".center_en",this).removeClass('centerLight');
       $(".right",this).removeClass('rightLight');       
     });
    
});

function subMenuOn(vstup)
 {
   document.getElementById(vstup).style.display=""
 }

function subMenuOff(vstup)
 {
   document.getElementById(vstup).style.display="none"
 }
 
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) && (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);