function check(sender){
      var coll = sender.elements;
      for(var i=0; i<coll.length; i++){
         if(coll[i].getAttribute("type")=="text" && coll[i].value.length<4){
            alert("Введите ключевое слово не менее 4 символов.");
            return false;
         }
      }
      return true;
   }

   function full_news(sender){
      if(sender){
         coll = document.getElementsByTagName("div");
         for(i=0, l=coll.length; i<l; i++){
            if(coll[i].className.toLowerCase() == "news_desc"){
               o = coll[i].style.display;
               if(o.toLowerCase() == "block"){
                  coll[i].style.display = "none";
                  sender.innerHTML = "подробно <img src='/images/show.gif' border='0'>";
               }
               else{
                  coll[i].style.display = "block";
                  sender.innerHTML = "кратко <img src='/images/hide.gif' border='0'>";
               }
            }
         }
      }
   }

   function hide_news(sender){
      if(sender){
         o = document.getElementById("news_content");
         if(o.style.display == "block" || o.style.display == ""){
            o.style.display = "none";
            sender.innerHTML = "показать новости <img src='/images/show.gif' border='0'>";
         }
         else{
            o.style.display = "block";
            sender.innerHTML = "скрыть новости <img src='/images/hide.gif' border='0'>";
         }
      }
   }

   function setHome(sender){
      if (( navigator.appVersion.indexOf('MSIE 5.') != -1) || (navigator.appVersion.indexOf('MSIE 6.') != -1)) {
         sender.style.behavior='url(#default#homepage)';
         sender.setHomePage(getUrl(location.href));
         return false;
      }
      return true;
   }

   function addFav(sender){
      if(( navigator.appVersion.indexOf('MSIE 5.') != -1) || (navigator.appVersion.indexOf('MSIE 6.') != -1)){
         window.external.AddFavorite (getUrl(location.href),'Каталог сайтов Uno.kz');
         return false;
      }
      return true;
   }

   function getUrl(str){
      return str.substr(0, str.lastIndexOf("/"));
   }

   function show(id){
      d = document.getElementById(id);
      d.style.display = (d.style.display == "none" || d.style.display == "") ? "block" : "none" ;
      return false;
   }

   function linksByTarget(){
      coll = document.getElementsByTagName('a');
      re = /<img.+?src=['|"].+?['|"].*?>/i;
      for(i=0; i<coll.length; i++){
         t = coll[i].getAttribute("target");
         if(t != null){
            if(t.toLowerCase() == "_blank" && !re.test(coll[i].innerHTML)){
               coll[i].innerHTML += '<img src="/images/popup.gif" border="0" style="margin-top: -5; margin-left: 5; margin-right: 0; margin-bottom: 0">';
            }
         }
      }
   }