var isDOM = (typeof(document.getElementsByTagName) != 'undefined' && typeof(document.createElement) != 'undefined') ? 1 : 0;
var isIE4 = (typeof(document.all) != 'undefined' && parseInt(navigator.appVersion) >= 4 && !typeof(window.opera)) ? 1 : 0;
var isNS4 = (typeof(document.layers) != 'undefined') ? 1 : 0;
var capable = (isDOM || isIE4 || isNS4) ? 1 : 0;
// Uggly fix for Konqueror 2.2 that is half DOM compliant
if (capable && typeof(navigator.userAgent) != 'undefined') {
	var browserName = ' ' + navigator.userAgent.toLowerCase();
	if (browserName.indexOf('konqueror') > 0) {
		capable = 0;
	}
}

function initNaviTree ()
{
	if (capable) { eval(InitStr); }
}

function Kategorie (idx)
{
	if (capable)
	{
	if (isDOM) {
		var elm = document.getElementById('divkat'+idx);
		if (elm.style.display == 'none') { elm.style.display = 'block'; }
		else { elm.style.display = 'none'; }
		
	} // end of the DOM case

	else if (isIE4) {
		elm = document.all('divkat'+idx);
		if (elm.style.display == 'none') elm.style.display = 'block';
		else elm.style.display = 'none';
	} // end of the IE4 case
	
	else if (isNS4) {
		var elm  = document.layers['divkat'+idx];
		if (elm.visibility == 'hide') elm.visibility = 'show';
		else elm.visibility = 'hide';
	} // end of the NS4 case
	}
}