function addBookmark(title,url) {
     if (window.sidebar) {
      window.sidebar.addPanel(title,url,'');
     } else if(document.all) {
      window.external.AddFavorite(url,title);
     } else if( window.opera && window.print ) {
      return true;
     }
    }
    function checktxtlen(txtbox,maxlen) {
     var txtlen = txtbox.value.length;
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    }
	function set_homepage() {
	 var userExplorer;userExplorer = navigator.appName;
	 if (userExplorer == 'Microsoft Internet Explorer') {
	 document.body.style.behavior="url(#default#homepage)";document.body.setHomePage('http://dwmod.half-life2.sk');
	 } 
	 else {window.location = 'home.php?show=homepage';}
	}