function Show(n)
{
    var i;
    for (i=1; ; i++)
    {
        var id = "xx_" + i.toString();
        var element = document.getElementById(id);
        if (!element) return;
        if (i == n)
          element.className = element.className == "vi" ? "hi" : "vi";
        else
          element.className = "hi";
    }
}
function Close(n)
{
    var i;
    for (i=1; ; i++)
    {
        var id = "xx_" + i.toString();
        var element = document.getElementById(id);
        if (!element) return;
        if (i == n)
          element.className = element.className == "hi" ? "vi" : "hi";
        else
                  element.className = "vi";
    }
}
function searchFunc(){
  str= document.searchform.find.value.replace(/^\s+|\s+$/g,"");
   if ((str.length < 3) ){
       document.searchform.find.value='';
         alert('Моля, въведете поне три символа в полето за търсене!');
       document.searchform.find.focus();
       exit();
  } else {
     document.searchform.submit();
  }
}