// browser sniffer
//var ns4up = (document.layers) ? 1 : 0;
//var ie4up = (document.all) ? 1 : 0;

var browserName=navigator.appName; 
if (browserName=="Netscape") {
	netscape = true;
} else {
	netscape = false;
} 

var doc_width = 800;
var leftPosition = 0;

// pozicija za layere u meniju 
function getLeftPosition(){
	if (netscape) {
		doc_width = self.innerWidth;
	} else {
		doc_width = document.body.clientWidth;
	}
	if (doc_width > 750){
		if (netscape){
		leftPosition = (doc_width/2) - 240; // toliko ima od polovice 
		} else {
		leftPosition = (doc_width/2) - 233; // toliko ima od polovice 
		}
	} else {
	leftPosition = 136;
	}
	setTimeout("getLeftPosition()", 10);
}

// iniciranje 
getLeftPosition();

// funkcija za iskljucivanje u ukljucivanje layera na mouse evente
function showLayers(layer) {
		document.getElementById(layer).style.left = leftPosition;
		document.getElementById(layer).style.visibility = "visible"; 
}
function hideLayers(layer) {
		document.getElementById(layer).style.visibility = "hidden"; 	
}


// MOUSE OVER
function MakeArray(n) {
        this.length = n
        for (var i = 1; i<=n; i++) {
                this[i] = new Image()
                }
        return this
}

on = new MakeArray(3)
off = new MakeArray(3)

	on[1].src = "images/head_menu1_on.gif"
	on[2].src = "images/head_menu2_on.gif"
	on[3].src = "images/head_menu3_on.gif"
	
	off[1].src = "images/head_menu1_off.gif"
	off[2].src = "images/head_menu2_off.gif"
	off[3].src = "images/head_menu3_off.gif"

function out(broj, id) {
	if (!netscape)
		eval ( "document." + id + ".src = off[broj].src;" );
	else
		eval ( "document.all." + id + ".src = off[broj].src;" );
}
function over(broj, id) {
	if (!netscape)
		eval ( "document." + id + ".src = on[broj].src;" );
	else
		eval ( "document.all." + id + ".src = on[broj].src;" );
}
//
// POP UP 
var prozor = null; 
function popUpProzor(jpg, sirina, visina, marg){
	if (prozor != null){
		prozor = temp.close();
	}
	if (marg == null) { marg = 0 };
	sirina_prozora = sirina + marg*2
	visina_prozora = visina + marg*2
	temp = window.open('popup.asp?jpg=' + jpg + '&marg=' + marg, 'prozor','width=' + sirina_prozora + ',height=' + visina_prozora + ',status=no');
	prozor = temp.document;
}
/*
function popUpProzor(jpg, sirina, visina, marg){
	if (prozor != null){
		prozor = temp.close();
	}
	if (marg == undefined) { marg = 0 }
	sirina_prozora = sirina + marg*2
	visina_prozora = visina + marg*2
	temp = window.open('', '','width=' + sirina_prozora + ',height=' + visina_prozora + ',status=no');
	prozor = temp.document;	
	prozor.writeln("<html><head><title>Z O O M</title></head>");
	prozor.writeln("<body leftmargin=" + marg + " topmargin=" + marg + " marginwidth=" + marg + " marginheight=" + marg + ">");
	prozor.writeln("<a href='#' onClick='window.close();'><img src='fotke/" + jpg + ".jpg' border='0'></a>");
	prozor.writeln("</body></html>");			
}
*/