// function parameters are: field - the string field, count - the field for remaining
// characters  number and max - the maximum number of characters  
function CountLeft() {
 if (document.getElementById('edit-field-text-na-titulku-0-value')) {
   max = 120; 
   if (document.getElementById('edit-field-text-na-titulku-0-value').value.length > max)
     document.getElementById('edit-field-text-na-titulku-0-value').value = document.getElementById('edit-field-text-na-titulku-0-value').value.substring(0, max);         
   //else
   // calculate the remaining characters  
   //count.value = max - field.value.length;
   //alert(max - field.value.length);
 }
}

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
         }
      }
   }    
}

// umístění skyscraperu

function skyscraper(){
  
  
  if ($("#skyscraper").length) {
   $(window).scroll(function () {
     var top = $("#block-block-2").offset().top + 300;
   //(($(document).scrollTop() > $("#block-block-2").offset().bottom) ? $(document).scrollTop() : $("#block-block-2").offset().bottom);
  
   if ($(document).scrollTop() > 560) {
    top = $(document).scrollTop();
   }
   
   if (top + $("#skyscraper").outerHeight(true)  > $(document).height()) {
 top = $(document).height() - $("#skyscraper").outerHeight(true);
} 
  
   $("#skyscraper")
   .css({
   'top' : top
   });
   
   });
  
  }
}