function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	}
	else {
		window.onload = function() {
			oldonload();
			func();
		}
	}
}
/*
function addEvent(elm, evType, fn, useCapture) {
	if (elm.addEventListener) {
		elm.addEventListener(evType, fn, useCapture);
		return true;
	}
	else if (elm.attachEvent) {
		var r = elm.attachEvent('on' + evType, fn);
		return r;
	}
	else {
		elm['on' + evType] = fn;
	}
}
*/
sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
//if (window.attachEvent) window.attachEvent("onload", sfHover);

// Dasselbe fuer das Suchfeld
searchHover = function() {
	var sfEls = document.getElementById("searchbox").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}

function pngRepair() {
  if (getBrowserName() == 'IE' && getBrowserVer() < 7) {
    for (i=0; i < document.getElementsByTagName("img").length; i++) {
      if (document.getElementsByTagName("img")[i].src.indexOf(".png")!=-1) {
        width = document.getElementsByTagName("img")[i].width;
        height = document.getElementsByTagName("img")[i].height;
        src = document.getElementsByTagName("img")[i].src;
        document.getElementsByTagName("img")[i].src="fileadmin/templates/img/c.gif";
        document.getElementsByTagName("img")[i].height = height;
        document.getElementsByTagName("img")[i].width = width;
        document.getElementsByTagName("img")[i].style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+src+"',sizingMethod='scale');";
      }
    }
  }
}

function getBrowserName() {
    if (navigator.userAgent.indexOf("MSIE")!=-1) return 'IE';
    else if (navigator.userAgent.indexOf("Opera")!=-1) return 'Opera';
    else return 'unknown';
}

function getBrowserVer() {
    var sReturn = 'unknown';
    var sBrowser = getBrowserName();
    if (sBrowser == 'IE') {
        arrRes = navigator.userAgent.match(/MSIE (\d+)/);
        if (arrRes[1]) sReturn = arrRes[1];
    }
    if (sBrowser == 'Opera') {
        arrRes = navigator.userAgent.match(/Opera\/([0-9.]+)/);
        if (arrRes[1]) sReturn = arrRes[1];
    }
    return sReturn;
}