function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
      func();
    }
  }
}

function search(query) {
    document.location.href='http://www.ekudos.nl/zoeken/' + query;
    return false;
}

function check_link_cb(link){
	spinner_elm = 'link_url_spinner'
	button_elm  = 'link_submit'
	result_elm  = 'link_url_result'
	
	if(link.exists || !link.valid){
		text = (link.exists) ? "het ingevoerde adres bestaat al - klik <a href='"+link.url+"'>hier</a> om naar het artikel te gaan" : 
								"het ingevoerde adres is niet geldig"
		img = "/images/cancel.png"		
	} else {
		text = 'yes!, het ingevoerde adres is nog niet bekend bij eKudos!';
		img = "/images/accept.png"
/*		Form.Element.enable(button_elm)*/
	}
	$(result_elm).down('img').src = img	
	$(result_elm).down('span').innerHTML = text
	$('link_url_spinner').hide()
}

function check_user_cb(user){
	spinner_elm = 'user_login_spinner'
	button_elm  = 'user_submit'
	result_elm  = 'user_login_result'
	
	if(user.exists){
		text = "gebruiker bestaat al"
		img = "/images/cancel.png"		
	} else {
		text = '';
		img = "/images/accept.png"
/*		Form.Element.enable(button_elm)*/
	}
	$(result_elm).down('img').src = img
	$(result_elm).down('img').setStyle({fontSize: '12px'});
	$(result_elm).down('span').innerHTML = text
	$('user_login_spinner').hide()
}
var blocked_link_id;
function popup(link_id){
	if($('popupDiv')){popdown(blocked_link_id)}
	$('link_'+link_id).addClassName('blocked_link')
	$('kudo_'+link_id).innerHTML+='<div id="popupDiv" class="popup"><div><img src="/images/kudoalert.gif" id="alert"/> Laat je stem gelden! <a href="/kudoka/login">Log in</a> of <a href="/kudoka/signup">registreer</a> jezelf.<a href="javascript:popdown('+link_id+')"><img src="/images/alertclose.gif" id="close" /></a></div></div>';
	blocked_link_id = link_id
	return false;
}

function popdown(link_id){
	if(blocked_link_id){$('link_'+blocked_link_id).removeClassName('blocked_link')}
	$('popupDiv').remove();
/*	return false;*/
}