// Global variables
var fertig = false
var nn4 = false;	// Netscape Navigator or Communicator
var ie4 = false;
var ie5 = false;
var ie6 = false;
var ie = false;		//IE 5 und IE6
var ns6 = false;    // Netscape 6
var ns7 = false;   	// Netscape 7
var moz = false;	// Mozilla Engine
var dom1 = false;	// fully supports DOM1
var dom2 = false;	// fully supports (important bits of) DOM2
var op = false;  	//all opera
var op7 = false;  	//opera 7
var mac = false;	//mac
var safari = false;	//mac Safari
var old = false;	// very old browser

var browserWarn = false;
var strAgent = window.navigator.userAgent;

function browser_detect()
{
	op = (strAgent.indexOf("Opera") > -1);
	op7 = (strAgent.indexOf("Opera/7") > -1) || (strAgent.indexOf("Opera 7") > -1);	

    // do it the official W3C way
    if ( window.document.implementation != null)
    {
         dom1 = window.document.implementation.hasFeature("HTML","1.0");
         dom2 = window.document.implementation.hasFeature("HTML","2.0") &&
         	window.document.implementation.hasFeature("Events","2.0") &&
         	window.document.implementation.hasFeature("Core","2.0") &&
         	window.document.implementation.hasFeature("CSS2","2.0");
    }
    // Mozilla based browsers contain the Gecko rendering engine
    moz = (window.navigator != null )
		? (strAgent.indexOf("ecko") != -1 )
		: false;
    nn4 = (window.document.layers != null && !moz);
	ns6 = (moz && !dom2);
	ns7 = (moz && (strAgent.indexOf("Netscape/7") > 0));
	
    // IE has incremental support for the Document Object Model
    ie6 = (window.document.all && dom1);
    ie5 = (window.document.all && (strAgent.indexOf('MSIE 5')>0));		//&& window.document.getElementsByTagName()
	ie  = (ie5 || ie6 && !op);
    ie4 = (window.document.all && !ie6 && !ie5); 
	mac = (strAgent.indexOf('Mac')>0);
	safari = (strAgent.indexOf('Safari')>0)
    // something horrible and old
    old = (!ie && !dom1 && !moz);
	
	// set flag browserWarn true if IE<5 or Netscape < 6
	if (ie == true || moz== true){
		browserWarn = false;
	} 
	else {
		browserWarn = true;
	}
	//alert (browserWarn);
}


function picHighlight(oElemId,sStatus,oThisElem,sExistClass){
    var oImg = document.getElementById(oElemId);
    if(oImg) {
        if(sStatus=='on'){
            if(sExistClass!=null) {
	        oImg.className = sExistClass + " alpha";
            } else {
                oImg.className = "alpha";
            }		
        } else {
            if(sExistClass!=null) {
                oImg.className = sExistClass;
            } else {
                oImg.className = "";
            }
        }
    }
}