function setLayer(){
	
	var obj = document.getElementById('the_table');
	var tableLeft = 0;
	var tableTop = 0;
	
	if (obj.offsetParent) {
		tableLeft = obj.offsetLeft;
		tableTop = obj.offsetTop;
		while (obj = obj.offsetParent) {
			tableLeft += obj.offsetLeft;
			tableTop += obj.offsetTop;
		}
	}

	document.getElementById('layer_1').style.left = tableLeft+17+"px";
	document.getElementById('layer_1').style.top = tableTop+30+"px";

	document.getElementById('layer_2').style.left = tableLeft+270+"px";
	document.getElementById('layer_2').style.top = tableTop+40+"px";

	document.getElementById('layer_3').style.left = tableLeft+245+"px";
	document.getElementById('layer_3').style.top = tableTop+63+"px";
}
function heroUsage(id) {
  pagina = escape(document.location.href);
  ref = escape(document.referrer);
  if((ref == "") || (ref == "undefined")){ ref = "favorieten"; }
  screensize = screen.width + "x" + screen.height;
  screencolor = (navigator.appName.indexOf("Microsoft") > -1) ? screen.colorDepth : screen.pixelDepth;
  document.frames['hero_usage'].location="usage/statistieken_save.php?pagina="+pagina+"&referrer="+ref+"&screensize="+screensize+"&screencolor="+screencolor+"&pages_id="+id+"";
}

function mySubmit1() {
	
	var fout=0;
	
	if(document.getElementById('naam').value=='') {
		fout=1;
		document.getElementById('naam').className='red';
	} else {
		
		document.getElementById('naam').className='';
	}
	
	if(document.getElementById('telefoonnummer').value=='') {
		fout=1;
		document.getElementById('telefoonnummer').className='red';
	} else {
		
		document.getElementById('telefoonnummer').className='';
	}
		
	if(!fout) {
		
		document.form1.submit();
	}
}