var Mcurrent = new Array();
	
	function Mload(id, number) {
		
		Mcurrent[id] = true;
		$(id).src = 'Bilder/navbar_' + number + '_active.gif';
		
		
	}
	
	function Mover(id, number) {
		
		if (Mcurrent[id])
			return;
		
		$(id).src = 'Bilder/navbar_' + number + '_rollover.gif';
		
	}
	
	function Mout(id, number) {
		
		if (Mcurrent[id])
			return;
		
		$(id).src = 'Bilder/navbar_' + number + '_normal.gif';
		
	}
	
	function Sload () {
		
		detectBrowser();
		
		if (!windowsInternetExplorer)
			return;
		
		// fix IE-PNG
		imgs = document.getElementsByTagName('img');
		
		for (var c = 0; c < imgs.length; c++) {
			
			var png = imgs[c].src.match(/\.png/);
      if (!png)
				continue;
			
  		imgs[c].style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + imgs[c].src + "')";
      imgs[c].src = 'Bilder/transparent.gif';
			
		}
	}
	
  var windowsInternetExplorer = false;
  var browserVersion = 0;
  function detectBrowser() {
    windowsInternetExplorer = false;
    var appVersion = navigator.appVersion;
    if ((appVersion.indexOf("MSIE") != -1) &&
        (appVersion.indexOf("Macintosh") == -1)) {
      var temp = appVersion.split("MSIE");
      browserVersion = parseFloat(temp[1]);
      windowsInternetExplorer = true;
    }
  }
	function $(id) {
		
		return document.getElementById(id);
		
	}