var safari = (navigator.appVersion.indexOf("Safari")!=-1) ? true : false;
var moz = (navigator.appName.indexOf("Netscape")!=-1) ? true : false;
var isMac = (navigator.appVersion.indexOf("Mac")!=-1) ? true : false;
var opera = (navigator.userAgent.indexOf("Opera")!=-1) ? true : false;
var IE = ((document.all)&&(navigator.appVersion.indexOf("MSIE")!=-1)) ? true : false;
var ie55 = ((document.all)&&(navigator.appVersion.indexOf("MSIE 5.5")!=-1)) ? true : false;
var IEmac = ((document.all)&&(isMac)) ? true : false;
var NS4 = (document.layers) ? true : false;

var d = document;

function openWindow(theURL,winName,features) {
	myWin = window.open(theURL,winName,features);
	myWin.focus();
}

function preloadImages() {	// Arguments are images
  	if (d.images) {
  		if(!d.preload) d.preload = new Array();
  		var a = this.arguments; 
  		for (i=0; i<a.length; i++) {
   			d.preload[i] = new Image;
   			d.MM_p[i].src = a[i];
    	}
	}
}

var orgHeight = "";

function divHeight(where) {
	var dheader = d.getElementById('header').clientHeight;
	var dmain = d.getElementById('content').clientHeight;
	var dfooter = d.getElementById('footer').clientHeight;
	if (!IE && where==1) dfooter+=34;
	if (orgHeight=="") orgHeight = d.getElementById('content').clientHeight;
	var myHeight = d.documentElement.clientHeight-dheader-dfooter - (IE? 50 : 63) ;
	if (myHeight>=orgHeight) d.getElementById('content').style.height = myHeight+'px';
	else d.getElementById('content').style.height = orgHeight+'px';

/*
	var myHeight = d.documentElement.clientHeight-dheader-dfooter;		//Abstand zw. mainnav und content
	if (myHeight>=orgHeight) d.getElementById('footer').style.marginTop = myHeight+'px';
	else d.getElementById('footer').style.marginTop = '20px';
*/	
}

function highlightTR( id , doHighlight ) {
	var el1 = d.getElementById('tr1_'+id);
	var el2 = d.getElementById('tr2_'+id);
	if (doHighlight) {
		el1.className="highlight";
		el2.className="highlight";
	} else {
		el1.className="normal";
		el2.className="normal";
	}
}