a = '';
function active(pos){
	old = a;
	a = pos;
	if (old && old!=a){
		document.getElementById(old).className='hmenu';
	}
}
function over(pos){
	document.getElementById(pos).className='hmenuover';
}
function out(pos){
	if(pos!=a){
		document.getElementById(pos).className='hmenu';
	}
}

function confirmDelete(Url) {
if (confirm("Weet u zeker dat u dit item wilt verwijderen?")) {
	location.replace(Url);		
	} 
}

function confirmUit(Url) {
if (confirm("Weet u zeker dat u wilt uitloggen?")) {
	location.replace(Url);		
	} 
}

function confirmSubmit()
{
var agree=confirm("Weet u zeker dat u deze nieuwsbrief wilt verzenden?");
if (agree)
	return true ;
else
	return false ;
}

function checkform(form) {
	var emailfilter=/^\w+[\+\.\w-]*@([\w-]+\.)*\w+[\w-]*\.([a-z]{2,4}|\d+)$/i;
	var error=0;
	for (var x=0; form.elements[x]; x++ ) {
		if(form.elements[x].className.indexOf('verplicht')!=-1) {
			if (form.elements[x].type == 'select-one'){
				if (form.elements[x].options[form.elements[x].selectedIndex].value == "") error++;
			}else if (form.elements[x].type == 'radio'){
				error=1;
				for (i=form.elements[form.elements[x].name].length-1; i > -1; i--) {
					if (form.elements[form.elements[x].name][i].checked==true) {
						 error=0; i = -1;
					}
				}
			}else if (form.elements[x].type == 'checkbox'){
				if (!form.elements[x].checked) error++;
			}else{
				if(form.elements[x].name=="email"){
					if (emailfilter.test(form.elements[x].value)==false) error++
				}else{
					if (form.elements[x].value == "") error++;
				}
			}
			if(error>0){
				alert( "U heeft het verplichte veld '" + form.elements[x].title + "' niet (correct) ingevuld." );
	        		form.elements[x].focus();
			        return false ;
			}
		}
	}        
}