function kalOpen(stat,openKal,useField) {
		if(stat =='open') {
			document.getElementById(openKal).style.display='block';
		} else if(stat=='close') {
			document.getElementById(openKal).style.display='none';
		}
		if(useField == 'zoekveldAk') {
			document.getElementById('checkField').value='akDatum';
		} else if(useField == 'zoekveldVk') {
			document.getElementById('checkField').value='vkDatum';	
		} 
	}
	
	
	function convertDate(inputDatum) {
		
		
		var outputDatum = inputDatum;
		
		var test = outputDatum.split("-");
		
		var d2 = new Date(test[2], test[1]-1, test[0]);
		
		var tomorrow = new Date(d2.getTime() + (24 * 60 * 60 * 1000));
		
		var y = tomorrow.getFullYear(),
		m = tomorrow.getMonth() + 1, // january is month 0 in javascript
		d = tomorrow.getDate();

		// alert(tomorrow + " - " + y + "-" + m + "-" + d);
		if(d.length < 2) {
			d = "0" + d;	
		}
		
		outputDatum = d + "-" + m + "-" + y;
		

		return outputDatum;
	}
	
	
	function inpDate(useDatum) {
		var useTheDatum = document.getElementById('checkField').value;
		document.getElementById('kalenderOpen').style.display='none';
		// document.getElementById(dateId).value=useDatum;
		if(useTheDatum == 'vkDatum') {
			document.getElementById('zoekveldVk').value=useDatum;
		} else {
			document.getElementById('zoekveldAk').value=useDatum;
			document.getElementById('geenData').checked=false;
			document.getElementById('geenData').setAttribute=("checked", false);
			// var useDatum2 = convertDate(useDatum);
			// document.getElementById('zoekveldVk').value=useDatum2;
		}
	}
	
	function disableDate() {
		var checkGeenData = document.getElementById('geenData').checked;
		if(checkGeenData == true) {
			document.getElementById('zoekveldAk').disabled = "disabled";
			// document.getElementById('zoekveldVk').disabled = "disabled";
			document.getElementById('zoekveldAk').value = "";
			// document.getElementById('zoekveldVk').value = "";
			document.getElementById('kalAk').disabled = "disabled";
			// document.getElementById('kalVk').disabled = "disabled";
		} else {
			var vandaag = new Date();
			var month = vandaag.getMonth() + 1;
			if (month<10) { month = "0" + month; }
			var day = vandaag.getDate();
			if (day<10) { day = "0" + day; }
			var year = vandaag.getFullYear();
			var today =  day + "-" + month + "-" + year;
			document.getElementById('zoekveldAk').disabled = "";
			document.getElementById('zoekveldAk').value = today;
			// document.getElementById('zoekveldVk').disabled = "";
			document.getElementById('kalAk').disabled = "";
			// document.getElementById('kalVk').disabled = "";
		}
		// 	zoekveldVk
	}
	
	function setTheDate(theDatum) {
		document.getElementById('showTheDate').innerHTML=theDatum;
	}
	
	$(document).ready(function()
	{
		var browserName=navigator.appName; 
		// alert(browserName);
		if (browserName=="Netscape") {
			var aftrekpunten = 830;
		} else {
			var aftrekpunten = 840;
		}
		var footerOffset = document.getElementById('footer').offsetTop - aftrekpunten;
		// alert(document.getElementById('footer').offsetTop);
		
		//scroll the message box to the top offset of browser's scrool bar
		$(window).scroll(function()
		{
			if($(window).scrollTop() < footerOffset)
			{
				$('#message_box').animate({top:$(window).scrollTop()+"px" },{queue: false, duration: 150});  
			}
		});
		//when the close button at right corner of the message box is clicked 
		$('#close_message').click(function()
		{
			//the messagebox gets scrool down with top property and gets hidden with zero opacity 
			$('#message_box').animate({ top:"+=15px",opacity:0 }, "slow");
		});
	});
	
	
	
	
	function divhei(div_compare, div_to_change, div_status)
	{
		var left_div_height = document.getElementById(div_compare).offsetHeight;
		var mid_div_height 	= document.getElementById(div_to_change).offsetHeight;
		var leftmain 		= document.getElementById('leftmain').offsetHeight;
		//alert(div_compare+":"+left_div_height + " - " + div_to_change +":"+mid_div_height + "-" + div_status);
		leftmain = leftmain + 796; // Zoover
		if(div_status == 1) {
			left_div_height = left_div_height + 10;
		}
		
		if(left_div_height > mid_div_height) 
		{
			var new_height = (left_div_height+100) + "px";
			document.getElementById(div_to_change).style.height  = new_height;
			document.getElementById(div_compare).style.height  = new_height;
			//document.getElementById(div_to_change).style.minheight  = new_height;
		}
		else
		{
			var new_height = (mid_div_height+100) + "px";
			document.getElementById(div_compare).style.height  = new_height;
			document.getElementById(div_to_change).style.height  = new_height;
			//document.getElementById(div_compare).style.minheight  = new_height;
		}
	}
	
	
	
	function get_loadscript(action, div_id)
	{
		if(action == 'start')
		{
			document.getElementById(div_id).style.display='block';
			// document.getElementById(div_id).innerHTML = "<img style='position: absolute; left: 86px; top: 20px;' src='images/lightbox-ico-loading.gif'/>";

		}
		else
		{
			document.getElementById(div_id).style.display='none';	
		}
	}
	
	
	
	function tester()
	{
		alert('dit is een test');	
	}
	
	
	
	
	function set_slider (minPrijs, maxPrijs, lowestPrijs, highestPrijs) 
	{
		
		// alert('start the slider');
		// alert('min: ' + minPrijs + ' max: ' + maxPrijs);
		// alert('low: ' + lowestPrijs + ' en '  + highestPrijs);
		YAHOO.namespace('example');
	
		var Dom = YAHOO.util.Dom;
	
		// Slider has a range of 200 pixels
		var range = 160;
	
		// No ticks for this example
		var tickSize = 0;
	
		// We'll set a minimum distance the thumbs can be from one another
		var minThumbDistance = 3;
		
		// var highPrijs = 1000;
		var highPrijs = highestPrijs;
		
	
		// Initial values for the thumbs
		
		if(!minPrijs) {
			minPrijs = 0;
		} else {
			minPrijs = 	Math.round(minPrijs / (highPrijs/(range - 20)));
		}
		if(!maxPrijs) {
			maxPrijs = 200;	
		} else {
			// maxPrijs = 	Math.round(maxPrijs / (1000/(range)));	
			maxPrijs = Math.round(maxPrijs / (highPrijs/(range - 20)));
			maxPrijs = maxPrijs + 20;
			// maxPrijs = 	Math.round(maxPrijs / 5.74);
		}
		var initValues = [minPrijs,maxPrijs];
	
		// Conversion factor from 0-200 pixels to 100-1000
		// Note 20 pixels are subtracted from the range to account for the
		// thumb values calculated from their center point (10 pixels from
		// the center of the left thumb + 10 pixels from the center of the
		// right thumb)
		var cf = highPrijs/(range - 20);
	
		// Set up a function to convert the min and max values into something useful
		var convert = function (val) {
			// return Math.round(val * cf + 100);
			return Math.round(val * cf);
		};
	
		// Slider set up is done when the DOM is ready
		YAHOO.util.Event.onDOMReady(function () {
			var demo_bg = Dom.get("demo_bg"),
				info    = Dom.get("demo_info"),
				from    = Dom.get("demo_from"),
				to      = Dom.get("demo_to");
	
			// Create the DualSlider
			var slider = YAHOO.widget.Slider.getHorizDualSlider(demo_bg,
				"demo_min_thumb", "demo_max_thumb",
				range, tickSize, initValues);
	
			slider.minRange = minThumbDistance;
			
			// Custom function to update the text fields, the converted value
			// report and the slider's title attribute
			var updateUI = function () {
				from.value = slider.minVal;
				to.value   = slider.maxVal;
	
				// Update the converted values and the slider's title.
				// Account for the thumb width offsetting the value range by
				// subtracting the thumb width from the max value.
				var min = convert(slider.minVal),
					max = convert(slider.maxVal - 20);
	
				info.innerHTML = "MIN: <strong>" + min + "</strong><br>" +
								 "MAX: <strong>" + max + "</strong>";
				demo_bg.title  = "Current range " + min + " - " + max;
				document.getElementById('amm_id_9998').value = min;
				document.getElementById('amm_id_9999').value = max;
			};
	
			// Subscribe to the dual thumb slider's change and ready events to
			// report the state.
			slider.subscribe('ready', updateUI);
			slider.subscribe('change', updateUI);
	
			// Wire up the button to update the slider
			YAHOO.util.Event.on('demo_btn','click',function () {
				// Get the int values from the inputs
				var min = Math.abs(parseInt(from.value,10)|0),
					max = Math.abs(parseInt(to.value,10)|0);
	
				if (min > max) {
					var hold = min;
					min = max;
					max = hold;
				}
	
				// Verify the values are in range
				min = Math.min(min,range - 30);
				max = Math.max(Math.min(max,range),min + 20 + minThumbDistance);
	
				// Set the new values on the slider
				slider.setValues(min,max);
			});
			// Attach the slider to the YAHOO.example namespace for public probing
			YAHOO.example.slider = slider;
		});
	}