function zoomImage(image, type) {
	if(type==null) type = 'jpg' ;
	document.getElementById('zoomImage').src = 'library/images/'+image+'_gross.'+type ;
	document.getElementById('zoomImageDiv').style.display = 'block' ;
}

function closeZoom() {
	document.getElementById('zoomImageDiv').style.display = 'none' ;
	document.getElementById('zoomImage').src = 'library/images/spacer.gif' ;
}

function setCloseButton(objImg) {
	if( objImg.src.indexOf('spacer.gif') == -1 ) {
		alert( objImg.width ) ;
	}
}

function initNav() {
	objNav = document.getElementById('navroll'); 
	
	for( var i=0; i<objNav.childNodes.length; i++) {
		//alert( objNav.childNodes[i].id );
		var id = objNav.childNodes[i].id ;
		if( document.location.href.indexOf(id+'.php') > -1 ) {
			objNav.childNodes[i].id += '_over' ;
		}
	}
}


var navAktuell = "" ;
function showSubNav(nav) {
	//alert(nav);
	if(navAktuell != "")
		document.getElementById("subnav_"+navAktuell).style.display = "none" ;
		
	if(nav != "")
		document.getElementById("subnav_"+nav).style.display = "block" ;
		
	navAktuell = nav ;
}


// Damit die SessionID auch bei mehrfachem aufruf erhalten bleibt.
var shopSessionID = (Math.random() * 100000000).toString().replace('.', '');

/* Globale Variablen */
var maxLayer = 6;
var menuDelay = 5000;

/* Browserabfrage: Layer-Object bekannt? */
userAgent = navigator.userAgent.toLowerCase();
n4 = document.layers;
ie = (document.all && userAgent.indexOf("mac")<0);
w3c = document.documentElement;
dhtml = ((n4 || ie || w3c) && userAgent.indexOf("aol")<0);

/* Funktion Schicht anzeigen */
function show(name) {
	if (n4)
		document.layers['' + name].visibility = "show";
	else if (ie)
		document.all['' + name].style.visibility = "visible";
	else if(w3c)
		document.getElementById(''+name).style.visibility = "visible";
}

function hide(name) {
	if (n4)
		document.layers['' + name].visibility = "hide";
	else if (ie)
		document.all['' + name].style.visibility = "hidden";
	else if(w3c)
		document.getElementById('' + name).style.visibility = "hidden";
}

function hideall(){
	var LayerName = "";

	for(i = 1; i < maxLayer; i++) {
			LayerName = "layer"+i
			
			if (n4)
				document.layers['' + LayerName].visibility = "hide";
			else if (ie)
				document.all['' + LayerName].style.visibility = "hidden";
			else if(w3c)
				document.getElementById('' + LayerName).style.visibility = "hidden";
			
	}
	/*
	function showDelay(name){
		var menudelay = 200;
		window.setTimeout(show('"+name+"'),15000);
	}*/
}