var check = false;

function sitezoeken(value) {
	if(value==''){
		value = 'Zoeken in de site'
	}
	$("q").value = value;
}

function nieuwsbrief(value) {
	if(value==''){
		value = 'Nieuwsbrief aanmelden'
	}
	$("nieuwsbriefveld").value = value;
}


function domeinchecker(value) {
	if(value==''){
		value = 'Domeinchecker'
	}
	$("domain").value = value;
}

function monitoruser(value) {
	if(value==''){
		value = 'Username'
	}
	$("username").value = value;
}

function check_mail() {
	if($("nieuwsbriefveld").value == "Nieuwsbrief aanmelden"){
		alert ("Vul hier uw e-mailadres in.");
		return false;
	}else{
		// Check of er een punt of een @ instaat
		var pos_a = $('nieuwsbriefveld').value.indexOf("@");
		var pos_dot = $('nieuwsbriefveld').value.indexOf(".");

		if(pos_a <1){
			alert("Vul hier uw e-mailadres in.");
			return false;
		}else if(pos_dot <1){
			alert("Vul hier uw e-mailadres in.");
			return false;
		}else{
			return true;
		}
	}
}

function changePortfolio(image, title, text, link) {
	if($('portfolio_large').src!=image && !check)	{
	check = true	
	Effect.Fade('portfolio_large', {
		afterFinish: function(effect) {
			$('portfolio_large').src = image;
			$('portfolio_home_text').innerHTML = '<div class="portfolio_title">'+title+'</div>'+text;
			$('portfolio_link').href = link;
			 Element.setOpacity($('portfolio_large'), 1);    
			new Effect.Appear('portfolio_large', { duration: 0.5, transition: Effect.Transitions.linear, from: 0.0, to: 1.0});
        }
      });
      check = false;		
	}
}