browser=navigator.userAgent.toLowerCase()
		safari=browser.indexOf("safari")
		
		function rP(){
			if (document.getElementById){
				if (safari>0) winHeight=window.innerHeight
				else winHeight=document.body.clientHeight;
				contHeight=document.getElementById('btop').offsetHeight+document.getElementById('bmiddle').offsetHeight;
				
				if(contHeight<winHeight){
					document.getElementById('bbottoml').style.height=winHeight-contHeight-aktSitePx;
				}
				if(document.getElementById('fl').offsetHeight<document.getElementById('tx').offsetHeight){
					
					document.getElementById('fl').style.height=document.getElementById('tx').offsetHeight
				}
			}
		}
		
		window.onload = function() { rP(),iI()}
		window.onresize = function() {rP();}
		
		theImages = new Array ('nav1','nav2','nav3','nav4','nav5','nav6')
		ImgSrc = '';
		loaded=false;
		function iI() {if (document.images){for (i=0;i<theImages.length;i++) {eval(theImages[i] + ' = new Image();');eval(theImages[i] + '.src="'+ ImgSrc + theImages[i] + '.gif";');eval(theImages[i] + 'hi = new Image();');eval(theImages[i] + 'hi.src="'+ ImgSrc + theImages[i] + '_hi.gif";');};loaded=true;}}
		function hL(imgNr) {if (document.images && loaded){aktImg=theImages[imgNr];document['n' + imgNr].src = eval(aktImg + '.src');}}             
		function lL(imgNr) {if (document.images && loaded){aktImg=theImages[imgNr];document['n' + imgNr].src = eval(aktImg + 'hi.src');}}