function initTabs()
{
	var sets = document.getElementsByTagName("div");
	for (var i = 0; i < sets.length; i++)
	{
		if (sets[i].className.indexOf("tabset") != -1)
		{
			var tabs = [];
			var links = sets[i].getElementsByTagName("a");
			for (var j = 0; j < links.length; j++)
			{
				if (links[j].className.indexOf("tab") != -1)
				{
					tabs.push(links[j]);
					links[j].tabs = tabs;
					var c = document.getElementById(links[j].href.substr(links[j].href.indexOf("#") + 1));

					//reset all tabs on start
					if (c) if (links[j].className.indexOf("active") != -1) c.style.display = "block";
					else c.style.display = "none";

					links[j].onclick = function ()
					{
						var c = document.getElementById(this.href.substr(this.href.indexOf("#") + 1));
						if (c)
						{
							//reset all tabs before change
							for (var i = 0; i < this.tabs.length; i++)
							{
								document.getElementById(this.tabs[i].href.substr(this.tabs[i].href.indexOf("#") + 1)).style.display = "none";
								this.tabs[i].className = this.tabs[i].className.replace("active", "");
							}
							this.className += " active";
							c.style.display = "block";
							return false;
						}
					}
				}
			}
		}
	}
}

if (window.addEventListener) window.addEventListener("load", initTabs, false);
else if (window.attachEvent) window.attachEvent("onload", initTabs);

sfHover = function() {
	var sfEls = document.getElementById("main-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);

jQuery(function() {
	jQuery('#ni_inschrijven').click(function() {
		var ni_email = jQuery('#ni_email').val();
		var errors = 0;
		
		var email_regex = /[a-z0-9!#$%&'*+\/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+\/=?^_`{|}~-]+)*@(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?/i;
		if (!email_regex.test(ni_email)) {
			jQuery('#ni_email_error').show(0);
			errors++;
			var errorEmail = 'Vul een geldig e-mail adres in. ';
		} else {
			var errorEmail = '';
		}
		
		if(errors == 0) {
			jQuery.ajax({
				type: 'POST',
				cache: false,
				url: '/nieuwsbrief/optin/signup_submit.php',
				dataType: 'text',
				data: 'email=' + ni_email,
				success: function(resp) {
					if(resp == 'success') {
						jQuery('#ni_thanks').show(0);
						jQuery('#ni_form').hide(0);
					} else {
						if(resp == 'error') {
							jQuery('#ni_thanks').hide(0);
							jQuery('#ni_form').hide(0);
							alert('Er is iets misgegaan, probeer het later opnieuw.');
						} else {
							alert('U bent al ingeschreven voor de nieuwsbrief.');
						}
					}
				}
			});
		} else {
			alert(errorEmail);
		}
	});
	
	jQuery('.button-send').click(function(event) {
		event.preventDefault();
		var searchVal = jQuery('#searchbox .text').val();
		if(searchVal != 'Typ hier je zoekopdracht' && searchVal != 'Enter your search query') {
			jQuery('#searchbox').submit();
		} else {
			var searchLang = jQuery('#search_lang').val();
			if(searchLang == 'nl') {
				alert('Vul eerst uw zoekopdracht in.');
			} else {
				alert('Please enter your search query before submitting.');
			}
		}
	});
});