var windowWidth = 0;
			var windowHeight = 130;
			
  		if (typeof(window.innerWidth) == 'number') {
  			windowWidth = window.innerWidth;
				windowHeight = window.innerHeight;
  		}
  		else {
  			if (document.documentElement && document.documentElement.clientWidth) {
  				windowWidth = document.documentElement.clientWidth;
					windowHeight = document.documentElement.clientHeight;
  			}
  			else {
  				if (document.body && document.body.clientWidth) {
  					windowWidth = document.body.clientWidth;
						windowHeight = document.body.clientHeight;
  				}
  			}
  		}
  		var footerMargin = 0;
			footerMargin = (windowWidth - 940) / 2;
			footerWidth = windowWidth - footerMargin;
			footerMargin = footerMargin+'px';
			
			
			footerHeight = windowHeight - 692;
			if (windowHeight < 670) {
				footerHeight = "100px";
			}
			else {
				if (footerHeight > 0) {
  			  footerHeight = footerHeight+"px";
  			}
  			else {
  			  footerHeight = "0px";
  			}
			}
			
			document.getElementById("footer").style.left = footerMargin;
			document.getElementById("footer").style.width = footerWidth;
			document.getElementById("balk").style.height = footerHeight;
  	
		<!-- Script voor Google analytics -->
      var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");
      document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));
      
			try {
      var pageTracker = _gat._getTracker("UA-8012833-5");
      pageTracker._trackPageview();
      } catch(err) {}