	<!--
	var secs
	var timerID = null
	var timerRunning = false
	var delay = 1000
	var runcounter
	var CONST_SECS = 5;
	
	function InitializeTimer()
	{
	    // Set the length of the timer, in seconds
	    secs = CONST_SECS
	    runcounter = Math.floor(Math.random() * 3)
	    SetAdd()
	    StopTheClock()
	    StartTheTimer()
	}
	
	function StopTheClock()
	{
	    if(timerRunning)
	        clearTimeout(timerID)
	    timerRunning = false
	}
	
	function StartTheTimer()
	{
	    if (secs==0)
	    {
	        StopTheClock();
			SetAdd()
	        secs = CONST_SECS;
	        StartTheTimer();
	    }
	    else
	    {
	        secs = secs - 1
	        timerRunning = true
	        timerID = self.setTimeout("StartTheTimer()", delay)
	    }
	}
	
	function SetAdd()
	{
	 	var objLink = document.getElementById("linkadd");
	    var objImage = document.getElementById("imgadd");
	    
		switch(runcounter)
		{
			case 0:
	  			objImage.src = "images/adds/add_lechevalier.jpg"
	  			objLink.href = "http://www.le-chevalier.nl"
	  			objLink.title = "Vakantiehuis op het Franse platteland"
	  			runcounter = 2
	  			break    
			case 1:
	  			objImage.src = "images/adds/add_bestlinc.jpg"
	  			objLink.href = "http://www.best-linc.nl"
	  			objLink.title = "Best-Linc: Voor workshops en kettingontwerpen"
				runcounter = runcounter - 1
	  			break
			case 2:
	  			objImage.src = "images/adds/add_datacon.jpg"
	  			objLink.href = "http://www.datacon.nl/nl/1/5"
	  			objLink.title = "Werken bij Datacon"
			    runcounter = runcounter - 1
	  			break	
			default:
	  			objImage.src = "images/adds/blank.gif"
		}	
	}
	
	function openDiv(divid)
	{
	 	var objDiv = document.getElementById('div' + divid);
		objDiv.style.display = "block";
	}
	
	function closeDiv(divid)
	{
	 	var objDiv = document.getElementById('div' + divid);
		objDiv.style.display = "none";
	}
	
	function validateDate(prmDate)
	{
		var monthLength = new Array(31,28,31,30,31,30,31,31,30,31,30,31);
		var strDate = prmDate.split("-");
		
		if (!strDate.length == 3)
		{
			return false;		
		}
		
		var day = parseInt(strDate[0]);
		var month = parseInt(strDate[1]);
		var year = parseInt(strDate[2])
		
		if (!day || !month || !year)
		{
			return false;
		}
		if (year/4 == parseInt(year/4))
		{
			monthLength[1] = 29;
		}

		if (day > monthLength[month-1])
		{
			return false;
		}
		if (month > 12)
		{
			return false;
		}
		if (year < 1981 || year > 2099)
		{
			return false;
		}
		var date = new Date();
		date.setYear(year);
		date.setMonth(month-1);
		date.setDate(day);
		return date;
	}
	//-->