var OBtype = '';
if (document.all)
{
   OBtype = "ie4";
}
else if (document.getElementById)
{
   OBtype = "oth";
}
else if (OBtype.layers)
{
   OBtype = "ns4";
}

var doc_objs = new Array();

function fetch_object(idname, forcefetch)
{
   if (forcefetch || typeof(doc_objs[idname]) == "undefined")
   {
      switch (OBtype)
      {
         case "oth":
         {
            doc_objs[idname] = document.getElementById(idname);
            break;
         }
         case "ie4":
         {
            doc_objs[idname] = document.all[idname];
            break;
         }
         case "ns4":
         {
            doc_objs[idname] = document.layers[idname];
            break;
         }
      }
   }
   return doc_objs[idname];
}

function correctPNG()
{
    if(OBtype == 'ie4')
    {
    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" && img.nocheck != "nocheck")
        {
            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
        }
    }
    }
}

var $_default_search_q = "Пошук...";

function search_q_change($_event)
{
    sq = fetch_object('search_q');
    if($_event == 'focus')
    {
        if(sq.value == $_default_search_q)sq.value = '';
    }
    else
    {
        if(sq.value == '')sq.value = $_default_search_q;
    }
}
