function Show_Category(id){
	//alert( id );
	var id_array = id.split(",");
	for( var i = (id_array.length-1) ; i >= 0 ; i-- ) {
		if ( document.getElementById("L01_"+ id_array[i]) ) {
			//alert("L01 Found");
			var style = document.getElementById("L01_"+ id_array[i]).style;
			style.display="block";
		}
		if ( document.getElementById("L02_"+ id_array[i]) ) {
			//alert("L02 Found");
			var style = document.getElementById("L02_"+ id_array[i]).style;
			style.display="block";
		}
		if ( document.getElementById("L03_"+ id_array[i]) ) {
			//alert("L03 Found");
			var style = document.getElementById("L03_"+ id_array[i]).style;
			style.display="block";
		}
	}
}

function Menu(triger){
	// 1. ZAPAMTI STIL SELEKTRIANOG ELEMENTA
	var sel_ul = triger.parentNode.childNodes[1];
	var sel_ul_style = sel_ul.style.display;
	
	// 2. SAKRIJ SVE ELEMENTE U MENIJU
	var mel = document.getElementById("nav").getElementsByTagName("UL");
	for (var i=0; i<mel.length; i++) {
		var melstyle = mel[i].style;
		var melid = mel[i].id;
        if ( melid.startsWith("L01") ) {
			melstyle.display="block";
		}
        if (!melid.startsWith("L03") && !melid.startsWith("L01")) {
			melstyle.display="none";
		}
	}
	
	var ul_style = triger.parentNode.childNodes[1].style;
	 
	var parent_ul_style = triger.parentNode.parentNode.style;
	parent_ul_style.display="block";
	
	// POSTAVI NOVI STIL
	if ( sel_ul_style == "none")
	{
		ul_style.display="block";
	}
	else {
	    ul_style.display="none";
	}
}
String.prototype.startsWith = function(str) {return (this.match("^"+str)==str)}