function addEvent(obj, evType, fn){
	if (obj.addEventListener){
		obj.addEventListener(evType, fn, false);
		return true;
	} else if (obj.attachEvent){
		var r = obj.attachEvent("on"+evType, fn);
		return r;
	} else {
		return false;
	}
}


preloadImages = function(imglist) {
	var imgs = new Array();
	var i;
	if (document.images) {
		for (i=0; i<imglist.length; i++) {
			imgs[i]=new Image(); imgs[i].src=imglist[i];
		}
	}
}


menuHover = function(idList, tagList) {
	var i;

	for (i=0; i<idList.length; i++) {
		var sfEls = document.getElementById(idList[i]).getElementsByTagName(tagList[i]);
		for (var i=0; i<sfEls.length; i++) {
			sfEls[i].onmouseover=function() {
				this.className+=' menuHover';
			}
			sfEls[i].onmouseout=function() {
				this.className=this.className.replace(new RegExp(' menuHover\\b'), '');
			}
		}
	}
}


function isBadBrowser() {
	var badBrowser = (/MSIE ((5\.5)|6)/.test(navigator.userAgent) && navigator.platform == "Win32");
	if (badBrowser) {
		return true;
	}
	else {
		return false;
	}
}



function recommendPage(){ 
    var title = document.title; 
    var body = 'Hallo%0D%0A%0D%0ADie%20folgende%20Webseite%20ist%20interessant%3A%20';
	var url = window.location.href; 
	var str='mailto: meine_freunde@email.com?subject='+title+'&body='+body+url; 
	location.href = str; 
}



//document.observe("dom:loaded", function() {
	if (isBadBrowser()) {
		//menuHover(Array('nav'), Array('li'));
	}
	
	preloadImages(Array());
//});