function expandMenu( prefix ) {
	
	var page = document.location.pathname;
	var elem = null;
	var sub = false;
	
	if ( page != '/' )
	page = page.match(/\/(\w+)\.(shtml|php)$/i)[1];
	
	page = page.toLowerCase();
	
	if ( page.substr(0, 4) == "eng_" )
	{
		page = page.substring(4);
	}

	switch ( page )
	{
		case 'about':
		case 'news':
		case 'about_coll':
		case 'zn':
		case 'nagradi':
		case 'anketa':
		case 'special':
		elem = 'about';
		sub = true;
		break;
		
		case 'roomprices':
		case 'roomprices_prices':
		case 'roomprices_int':
		elem = 'roomprices';
		sub = true;
		break;
		
		case 'restbars':
		case 'restbars_menu':
		case 'restbars_int':
		case 'menu':
		elem = 'restbars';
		sub = true;
		break;
		
		case 'bankets':
		case 'bankets_price':
		elem = 'bankets';
		sub = true;
		break;
		
		case 'center':
		case 'center_int':
		elem = 'center';
		sub = true;
		break;
		
		case 'kazan':
		case 'kazan_hist':
		case 'kazan_dost':
		elem = 'kazan';
		sub = true;
		break;
		
		case 'index':
		case '/':
		elem = 'main';
		break;
		
		case 'bankets':
		elem = 'bankets';
		break;
		
		case 'services':
		case 'lodka_6':
		elem = 'services';
		break;
		
		case 'faq':
		elem = 'faq';
		break;
		
		case 'contacts':
		elem = 'contacts';
		break;
		
		case 'bron':
		elem = 'booking';
		break;

	}
	
	if ( elem != null )
	{
		document.getElementById(elem).src = "img/" + prefix + "b_" + elem + "2.gif";
		
		if ( sub != false )
		{
			document.getElementById("menu_" + elem).style.display = "";			
		}
	}
}

function preloadImages ( prefix ) {
	
	MM_preloadImages(
	'img/' + prefix + 'b_main2.gif',
	'img/' + prefix + 'b_center2.gif',
	'img/' + prefix + 'b_services2.gif',
	'img/' + prefix + 'b_kazan2.gif',
	'img/' + prefix + 'b_faq2.gif',
	'img/' + prefix + 'b_contacts2.gif',
	'img/' + prefix + 'b_about2.gif',
	'img/' + prefix + 'b_roomprices2.gif',
	'img/' + prefix + 'b_restbars2.gif',
	'img/' + prefix + 'b_booking2.gif'
	);
	
	expandMenu( prefix );
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}