var iversion = -1;
var ImagesLoaded = 0;
var lav = 0;
var ipass = 0;

function version() {
  if (iversion != -1) return iversion;
  if(navigator.appName.indexOf("Netscape") != -1){
       if (navigator.userAgent.indexOf("Mozilla/2.0") != -1)
                                 iversion = 2;
       else
          if (navigator.userAgent.indexOf("Mozilla/3") != -1)
                                 iversion = 3;
  else
       if (navigator.userAgent.indexOf("Mozilla/4") != -1){
                iversion = 4;
	        lav = 1;
       } else
                iversion = 1;
  }  else {  // Not netscape.
     if(navigator.appName.indexOf("Internet Explorer") != -1){
              if (navigator.userAgent.indexOf("Mozilla/4") != -1){
                 iversion = 4;
		 lav = 1;
              } else
                 iversion = 1;
     } else
              iversion = 1;
  }
  return iversion;
}

function init() {

   if (3<=version()) { 
      if(document.images) { 
On=new Image();

on_menu_1 = new Image();
on_menu_1.src="/images/menu/main.gif";
on_menu_2 = new Image();
on_menu_2.src="/images/menu/news.gif";
on_menu_3 = new Image();
on_menu_3.src="/images/menu/trax.gif";
on_menu_4 = new Image();
on_menu_4.src="/images/menu/trance.gif";
on_menu_5 = new Image();
on_menu_5.src="/images/menu/dance.gif";

on_menu_6 = new Image();
on_menu_6.src="/images/menu/house.gif";
on_menu_7 = new Image();
on_menu_7.src="/images/menu/hardhouse.gif";
on_menu_8 = new Image();
on_menu_8.src="/images/menu/katalog.gif";
on_menu_9 = new Image();
on_menu_9.src="/images/menu/zakaz.gif";
on_menu_10 = new Image();
on_menu_10.src="/images/menu/contact.gif";
on_menu_11 = new Image();
on_menu_11.src="/images/menu/links.gif";




off_menu_1 = new Image();
off_menu_1.src="/images/menu/main_over.gif";
off_menu_2 = new Image();
off_menu_2.src="/images/menu/news_over.gif";
off_menu_3 = new Image();
off_menu_3.src="/images/menu/trax_over.gif";
off_menu_4 = new Image();
off_menu_4.src="/images/menu/trance_over.gif";
off_menu_5 = new Image();
off_menu_5.src="/images/menu/dance_over.gif";

off_menu_6 = new Image();
off_menu_6.src="/images/menu/house_over.gif";
off_menu_7 = new Image();
off_menu_7.src="/images/menu/hardhouse_over.gif";
off_menu_8 = new Image();
off_menu_8.src="/images/menu/katalog_over.gif";
off_menu_9 = new Image();
off_menu_9.src="/images/menu/zakaz_over.gif";
off_menu_10 = new Image();
off_menu_10.src="/images/menu/contact_over.gif";
off_menu_11 = new Image();
off_menu_11.src="/images/menu/links_over.gif";


ImagesLoaded=1;
	  }
      if (navigator.appName == "Netscape") { 
        layerStyleRef="layer.";
	layerRef="document.layers";
	styleSwitch="" ;
	ipass = 1;
      } else { 
        layerStyleRef="layer.style.";
	layerRef="document.all";
	styleSwitch=".style" ;
	ipass = 1; 
      } 
   } 
} 

function showLayer(layerName) { 
   if (lav && ipass)
      eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="visible"'); 
} 

function hideLayer(layerName) { 
   if (lav && ipass)
      eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.visibility="hidden"'); 
} 

function MouseOver(ImageName) { 
	if (3<=version()) { 
		if( ImagesLoaded== 0 ) return;
		document["menu_"+ImageName].src=eval("on_menu_"+ImageName+".src"); 
        } 
} 

function MouseOut(ImageName) { 
	if (3<=version()) { 
	    if( ImagesLoaded== 0 ) return;
            document["menu_"+ImageName].src=eval("off_menu_"+ImageName+".src"); 
        } 
}