var a = document.getElementsByClassName('item4');
var b = document.getElementsByClassName('item3');
var url = String(document.location);
var key = 0;
url = url.replace(/^.*(\/.+)$/i,"$1");
switch(url){
		case "/metal":
		case "/skulptura":
		case "/dekor":
		case "/dekor":
		case "/keramika":
		case "/vitragi":
		case "/givopis":
			key=1;
		break;
		
		case "/metalworking":
		case "/sculpture-and-stone":
		case "/stucco-decoration":
		case "/ceramics":
		case "/stained-glass-windows":
		case "/paintings":
		case "/33-glass":
		case "/34-trk":
		case "/35-balkony":
		case "/36-flugers":
		case "/37-navesy":
		case "/38-mebel":
		case "/39-pergoly":
		case "/51-restaurant":
		case "/40-onwindow":
		case "/41-flowers":
		case "/42-restavration":
		case "/43-svet":
		case "/44-fonari":
		case "/45-vint-lestnicy":
		case "/46-hudlit":
		case "/47-memorial-ship":
		case "/48-memorial":
		case "/49-vorota":
		case "/50-lestnicy-perila":
		case "/52-svarka-cvet-met":
			key=2;
		break;
	default:
		key=0;
		break;
}
if(key == 1){
	a[0].setAttribute('id','current');
}
if(key == 2){
	b[0].setAttribute('id','current');			
}