<!--

function MM_findObj(n, d) { //v4.0
  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 && document.getElementById) x=document.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.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' moet een e-mailadres bevatten.\n';
      } else if (test!='R') {
        if (isNaN(val)) errors+='- '+nm+' moet een nummer bevatten.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (val<min || max<val) errors+='- '+nm+' moet een nummer bevatten tussen '+min+' en '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is verplicht.\n'; }
  } if (errors) alert('De volgende fout(en) doen zich voor:\n'+errors);
  document.MM_returnValue = (errors == '');
}

function IsCijfer(Decimaal) {
	var keypressed = window.event.keyCode;
	var ElementText  = window.event.srcElement.value ;
	if (keypressed == 45){
		if (ElementText.length!=0) {
		  window.event.keyCode = 0;
		}
    
	} else {
		if (Decimaal) {
			var Reg = /\./g;
			if (Reg.test(ElementText)) {
				if( (keypressed >= 48 && keypressed <= 57) == false) {
				  window.event.keyCode = 0;
				}
			} else {
				if ((keypressed >= 48 && keypressed <= 57 || keypressed == 46) == false) {
				  window.event.keyCode = 0;
				}
			}
		} else {
			if ((keypressed >= 48 && keypressed <= 57) == false) {
			window.event.keyCode = 0;
			}
		}
	}
}

// Function to show and hide a rounded div

function toggleRounded (fieldIDprefix, value) {

	var nextfield = value + 1;
	var roundeddiv;

	// hide all 4 (maximum) rounded divs

	for ($i=1;$i<=4;$i++) {
		roundeddiv = fieldIDprefix + $i;
		if (document.getElementById(roundeddiv)) {
			document.getElementById(roundeddiv).style.display = 'none';
		}
	}

	var activediv = fieldIDprefix + nextfield;
	
	if (document.getElementById(activediv)) {
		document.getElementById(activediv).style.display = '';
	}

}

function setIconText (id, text) {
	document.getElementById(id).innerHTML=text;
	return true;
}

sfHover = function() {
	if (document.all&&document.getElementById) {
		var sfEls = document.getElementsByTagName("LI");
		for (var i=0; i<sfEls.length; i++) {
			sfEls[i].onmouseover=function() {
				this.className+=" sfhover";
			}
			sfEls[i].onmouseout=function() {
				this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
			}
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);
// -->