// user's functions

function isIE5() { return (navigator.userAgent.indexOf("MSIE 5") > -1); }
function isIE6() { return ((navigator.userAgent.indexOf("MSIE 6") > -1) && (navigator.userAgent.indexOf("Opera") == -1)); }
function isIE() { return (isIE5() || isIE6());}

function fixpng()
{
 for (var i = 0; i < document.images.length; i++)
 {
  var img = document.images[i];
  imgSrc = img.src;
  if (imgSrc.substr(imgSrc.length-3).toLowerCase() == "png")
  {
   var w, h;
   w = img.width, h = img.height;
   img.src = "_mod_files/ce_images/spacer.gif";
   img.width = w, img.height = h;
   img.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'" + imgSrc + "\', sizingMethod='scale');";
  }
 }
}

var isIE = isIE();
if (isIE) window.attachEvent("onload", fixpng);

function getBrowserInfo() {
 var t,v = undefined;
 if (window.opera) t = 'Opera';
 else if (document.all) {
  t = 'IE';
  var nv = navigator.appVersion;
  var s = nv.indexOf('MSIE')+5;
  v = nv.substring(s,s+1);
 }
 else if (navigator.appName) t = 'Netscape';
 return {type:t,version:v};
}

function bookmark(a){
 var url = window.document.location;
 var title = window.document.title;
 var b = getBrowserInfo();
 if (b.type == 'IE' && 7 > b.version && b.version >= 4) window.external.AddFavorite(url,title);
 else if (b.type == 'Opera') {
  a.href = url;
  a.rel = "sidebar";
  a.title = url+','+title;
  return true;
 }
 else if (b.type == "Netscape") window.sidebar.addPanel(title,url,"");
 else alert("Нажмите CTRL-D, чтобы добавить страницу в закладки.");
 return false;
}