//buttons
afb1aan = new Image (105, 50)
afb1aan.src = "images/buttons/home2.gif"
afb1uit = new Image (105, 50)
afb1uit.src = "images/buttons/home1.gif"

afb2aan = new Image (97, 50)
afb2aan.src = "images/buttons/info2.gif"
afb2uit = new Image (97, 50)
afb2uit.src = "images/buttons/info1.gif"

afb3aan = new Image (139, 50)
afb3aan.src = "images/buttons/locaties2.gif"
afb3uit = new Image (139, 50)
afb3uit.src = "images/buttons/locaties1.gif"

afb4aan = new Image (116, 50)
afb4aan.src = "images/buttons/gebed2.gif"
afb4uit = new Image (116, 50)
afb4uit.src = "images/buttons/gebed1.gif"

afb5aan = new Image (144, 50)
afb5aan.src = "images/buttons/organiseren2.gif"
afb5uit = new Image (144, 50)
afb5uit.src = "images/buttons/organiseren1.gif"

afb6aan = new Image (154, 50)
afb6aan.src = "images/buttons/contact2.gif"
afb6uit = new Image (154, 50)
afb6uit.src = "images/buttons/contact1.gif"

afb7aan = new Image (114, 50)
afb7aan.src = "images/buttons/links2.gif"
afb7uit = new Image (114, 50)
afb7uit.src = "images/buttons/links1.gif"

afb8aan = new Image (205, 221)
afb8aan.src = "images/buttons/tag2.jgif"
afb8uit = new Image (205, 221)
afb8uit.src = "images/buttons/tag1.gif"

afb9aan = new Image (94, 85)
afb9aan.src = "images/buttons/aanmelden2.jpg"
afb9uit = new Image (94, 85)
afb9uit.src = "images/buttons/aanmelden1.jpg"


function Actief(afbNaam){
	plaatjeAan = eval(afbNaam + "aan.src")
	document [afbNaam].src = plaatjeAan	
}

function Inactief(afbNaam){
	plaatjeUit = eval(afbNaam + "uit.src")
	document [afbNaam].src = plaatjeUit	
}

document.getElementById('mijnElement').value

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
    	if(test == 'emailadres'){
    		errors+= 'ja lap zeg';
    	}
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- je '+nm+' klopt niet.\n'; }
  } if (errors) alert('Het formulier is niet volledig ingevuld:\n'+errors);
  document.MM_returnValue = (errors == '');
}

function fill(veld){
	if(veld.value == '' || veld.value == veld.defaultValue){
		veld.value = veld.defaultValue;
	}
}

function clean(veld){
	if(veld.value == veld.defaultValue){
		veld.value ='';
	}
}