// JavaScript Document
sfHover = function() {     
	var sfEls = document.getElementById("nav").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);


function checkForm(form) {
	var melding = "De onderstaande velden moeten worden ingevuld \r\n" 	
	for (var i = 0; i < form.elements.length; i++) {
		
		if (form.elements[i].value =="" )  {
			if (form.elements[i].name != "email") {
			melding +=  form.elements[i].name + "\r\n"
			}		
		}	
	}	
	var input = form.email.value
	var re = /^[A-Z0-9._%-]+@([A-Z0-9-]+)(.[a-z0-9-]+)*\.[A-Z]{2,4}$/i
	var matchArray = re.exec(input)
		if (matchArray) {
		var domein = matchArray[1]
		}
		else {
		melding +=   " Er is geen geldig email adres ingevuld \r\n"
		}	
	if (melding != "De onderstaande velden moeten worden ingevuld \r\n" ) {
		alert (melding)
		return false
	}		
	return true
}