function toggle(DivID){
	var DivHeight = document.getElementById(DivID).offsetHeight;
	return DivHeight;
}

function HideContent(d) {
	if(d.length < 1) { return; }
	document.getElementById(d).style.display = "none";
}

function ShowContent(d) {
	if(d.length < 1) { return; }
	document.getElementById(d).style.display = "block";
}

function ToggleContent (d) {
	d = document.getElementById(d);
	d.style.display = d.style.display=='block' ? 'none' : 'block';
}


var helvetica= {
 src: '/swf/myriad.swf'
 ,ratios: [7, 1.32, 8, 1.31, 12, 1.27, 19, 1.23, 22, 1.2, 29, 1.19, 36, 1.18, 49, 1.17, 50, 1.16, 51, 1.17, 81, 1.16, 85, 1.15, 86, 1.16, 92, 1.15, 93, 1.16, 1.15]
 ,wmode: "transparent"
};


// You probably want to switch this on, but read <http://wiki.novemberborn.net/sifr3/DetectingCSSLoad> first.
// sIFR.useStyleCheck = true;
sIFR.activate(helvetica);

sIFR.replace(helvetica, {
 selector: 'h1'
 ,css: [
   '.sIFR-root { font-size:26px;color: #000000;text-align:center; }'
 ]
});

sIFR.replace(helvetica, {
 selector: 'h2'
 ,css: [
   '.sIFR-root { font-size:20px;color: #000;text-align:center; }'
 ]
});

sIFR.replace(helvetica, {
 selector: 'h5'
 ,css: [
   '.sIFR-root { font-size:16px;color: #000;text-align:center; }'
 ]
});

sIFR.replace(helvetica, {
 selector: 'h4'
 ,css: [
   '.sIFR-root { font-size:26px;color: #000000;text-align:left; }',
   'a { color: #000;text-decoration: none;text-align:left; }',
   'a:hover { color: #000;text-decoration: underline;text-align:left; }'
   ]

});

window.addEvent('domready', function() {
	// You can skip the following two lines of code. We need them to make sure demos
	// are runnable on MooTools demos web page.
	//if (!window.demo_path) window.demo_path = '';
	//var demo_path = window.demo_path;
	// --
	
	$('belmijterug').addEvent('submit', function(e) {
		//Prevents the default submit event from loading a new page.
		e.stop();
		//Empty the log and show the spinning indicator.
		
		//var pattern=/^([a-zA-Z0-9_.-])+@([a-zA-Z0-9_.-])+\.([a-zA-Z])+([a-zA-Z])+/;
		// email regex
		
		function getelement(el){
			var value;
			value = document.getElementsByName(el)[0].value ;
			return value ;
		}
		
		var naam	  = getelement('fld_naam');
		var telefoon  = getelement('fld_telefoon') ;
		var opmerking = getelement('fld_opmerking') ;
		
		if (naam != "" && telefoon != "" && opmerking != ""){
	
			//Send the form.
			this.send();
		
			$('belmijterug_form').style.display = "none";
			$('belmijterug_form_bedankt').style.display = "block";
		} else {
		
			var error_naam;
			var error_tel;
			var error_opmerking;
			
			if (naam == "" ){
				var error_naam = "Uw naam is een verplicht veld.\n";
			}
			if(telefoon == ""){
				var error_tel = "Het telefoonnummer is een verplicht veld.\n";
			}
			if(opmerking == ""){
				var error_opmerking = "Opmerking is een verplicht veld.\n";
			}
			
			alert(error_naam + error_tel + error_opmerking);
		
		}
	
	});
	
});




//window.onload = init;