function ajaxRequest() {
	var xmlHttp;

	this.getXmlHttpObject = function() {
		var xmlHttp=null;
		try {
			// Firefox, Opera 8.0+, Safari
			xmlHttp=new XMLHttpRequest();
		} catch (e) {
			// Internet Explorer
			try {
				xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
			} catch (e) {
				xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
			}
		}
		return xmlHttp;
	}

	this.initialize = function() {
		this.xmlHttp = this.getXmlHttpObject();	
		if (this.xmlHttp==null) {
			// KEIN AJAX UNTERSTÜTZT
			alert("Sie benötigen einen Browsers der Ajax unterstützt.");
			return 0;
		}
		return 1;
	}

	this.get = function(url) {
		if(!this.initialize()) return;
		this.xmlHttp.onreadystatechange=this.result;
		this.xmlHttp.open("GET",url,true);
		this.xmlHttp.send(null);
	}

	this.post = function(url,queryString) {
		if(!this.initialize()) return;
		this.xmlHttp.onreadystatechange=this.result;
		this.xmlHttp.open("POST",url,true);
		this.xmlHttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
		this.xmlHttp.send(queryString);
	}

}


// Set-up to use getMouseXY function onMouseMove
function fenster(url,name,b,h)
{
 var url,b,h;
 sbreite=screen.width;
 shoehe=screen.height;
 x = (sbreite-b)/2;
 y = (shoehe-h)/2-40;

 scrolling = "yes";

 eigenschaften="left="+x+",top="+y+",screenX="+x+",screenY="+y+",width="+b+",height="+h+",menubar=no,toolbar=no,scrollbars="+scrolling+",status=yes";
 f1=window.open(url,name,eigenschaften);
 f1.focus();
}

function WriteLayer(LayerID,txt) {
	if(document.getElementById) {
		document.getElementById(LayerID).innerHTML = txt;
	} else if(document.all) {
		document.all[LayerID].innerHTML = txt;
	} else {
		with(document[LayerID]) {
			document.open();
			document.write(txt);
			document.close();
		}	
	}
}

var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{		// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 		// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	dataOS : [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init();

// PNGs fr IE < 7 aktivieren
function doPNG(name,strPath) {	
document.write('<style type="text/css">'+name+" {\n");
 if (BrowserDetect.browser=="Explorer" && BrowserDetect.version < 7) {
  document.write("filter:progid:DXImageTransform.Microsoft.AlphaImageLoader (src='"+strPath+"', sizingMethod='scale');");
 } else {
  document.write('background-image: url('+strPath+');');
 }
document.write("\n}</style>");
}