function alertSize() {
  myWidth = 0, myHeight = 0;
  if( typeof( window.innerWidth ) == 'number' ) {
    //Non-IE
    myWidth = window.innerWidth;
    myHeight = window.innerHeight;
  } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
    //IE 6+ in 'standards compliant mode'
    myWidth = document.documentElement.clientWidth;
    myHeight = document.documentElement.clientHeight;
  } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
    //IE 4 compatible
    myWidth = document.body.clientWidth;
    myHeight = document.body.clientHeight;
  }
  return myWidth;
  return myHeight;
}

alertSize();

maxHeight = myHeight - 72;
maxWidth = myWidth - 63;

	
function show(obj) {
	var item = document.getElementById(obj);
	$(item).show("slow");
}
	
function hide(obj) {
	var item = document.getElementById(obj);
	$(item).hide("slow");
}

function toggle(obj) {
	var item = document.getElementById(obj);
	$(item).toggle("slow");
}

function fadeIn(obj) {
	var item = document.getElementById(obj);
	$(item).fadeIn("slow");
}

function fadeOut(obj) {
	var item = document.getElementById(obj);
	$(item).fadeOut("slow");
}

function fadeToggle(obj) {
	var item = document.getElementById(obj);
	
	if(item.style.display == 'block') {
		$(item).fadeOut("slow");
	}
	else {
		$(item).fadeIn("slow");
	}
}

function slideToggle(obj) {
	var item = document.getElementById(obj);
	$(item).slideToggle("slow");
}




	
//innerhtmlfunctie die dmv eval ook javascript uit zal voeren
function setAndExecute(divId, innerHTML)
		{
		   var div = document.getElementById(divId);
		   div.innerHTML = innerHTML;
		   var x = div.getElementsByTagName("script"); 
		   for(var i=0;i<x.length;i++)
		   {
		       eval(x[i].text);
		   }
		}	
	
		
$(document).ready(
				function(){
					$('#images').innerfade({
						animationtype: 'fade',
						speed: 2000,
						timeout: 4500,
						type: 'sequence',
						containerheight: '270'
					});
			});


function hidesubquestions() {
	
	var vraag1row1 = document.getElementById('1brow1');
	var vraag1row2 = document.getElementById('1brow2');
  	var vraag2row1 = document.getElementById('2brow1');
	var vraag2row2 = document.getElementById('2brow2');
	$(vraag1row1).hide();
	$(vraag1row2).hide();
	$(vraag2row1).hide();
	$(vraag2row2).hide();
	
}			
			
function togglevraag1() {
	
	
	var antwoord = $("input[@name='vraag1']:checked").val();
	
	if(antwoord != undefined) {
		
		var row1 = document.getElementById('1brow1');
		var row2 = document.getElementById('1brow2');
		
		if(antwoord == "ja") {
			$(row1).hide();
			$(row2).hide();
		}
		else {
			$(row1).show();
			$(row2).show();
		}
		
	}
}




function togglevraag2() {
		
	var antwoord = $("input[@name='vraag2']:checked").val();

	
	if(antwoord != undefined) {
	
		var row1 = document.getElementById('2brow1');
		var row2 = document.getElementById('2brow2');
		
		if(antwoord == "ja") {
			$(row1).hide();
			$(row2).hide();
		}
		else {
			$(row1).show();
			$(row2).show();
		}
		
	}
}


function submitform() {
	
	var error = 0;
	
	var antwoord1 = $("input[@name='vraag1']:checked").val();
	var antwoord1b = $("input[@name='vraag1b']:checked").val();
	var antwoord2 = $("input[@name='vraag2']:checked").val();
	var antwoord2b = $("input[@name='vraag2b']:checked").val();
	var antwoord3 = $("input[@name='vraag3']:checked").val();
	var antwoord4 = $("input[@name='vraag4']:checked").val();
	var antwoord5 = $("input[@name='vraag5']:checked").val();
	var antwoord6 = $("input[@name='vraag6']:checked").val();
	var antwoord7 = $("input[@name='vraag7']:checked").val();
	var antwoord8 = $("input[@name='vraag8']:checked").val();
	var antwoord9 = $("input[@name='vraag9']:checked").val();
	var antwoord10 = $("input[@name='vraag10']:checked").val();
	
	if(antwoord1 == undefined) { error = error + 1; }
	if(antwoord1 == "nee") { if (antwoord1b == undefined) { error = error + 1; } }
	if(antwoord2 == undefined) { error = error + 1; }
	if(antwoord2 == "nee") { if (antwoord2b == undefined) { error = error + 1; } }
	if(antwoord3 == undefined) { error = error + 1; }
	if(antwoord4 == undefined) { error = error + 1; }
	if(antwoord5 == undefined) { error = error + 1; }
	if(antwoord6 == undefined) { error = error + 1; }
	if(antwoord7 == undefined) { error = error + 1; }
	if(antwoord8 == undefined) { error = error + 1; }
	if(antwoord9 == undefined) { error = error + 1; }
	if(antwoord10 == undefined) { error = error + 1; }
	
	if(error == 0) {
		
		document.myform.submit();
		
	}
	
	else {
		
		alert("U heeft niet alle vragen ingevuld");
		
	}
	
}