var xmlHttp = getHttpObject();;
	
	function getHttpObject(){
		try {
			// Firefox, Opera 8.0+, Safari
			xmlHttp = new XMLHttpRequest();
		} 
		catch (e) {
			// Internet Explorer
			try {
				xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
			} 
			catch (e) {
				try {
					xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
				} 
				catch (e) {
					alert("Your browser does not support AJAX!");
					return false;
				}
			}
		}
		return xmlHttp;
	}

	function addToBasket(id) {
		showAddToBasket();
	    xmlHttp.onreadystatechange= function() {
	  		if (xmlHttp.readyState == 4){
	  			setTimeout("hideAddToBasket()", 2000);
	  		}
		}
		var url = "http://www.feeks.nl/lib/add_to_cart.php?id="+ id + "&amount=1";
		xmlHttp.open ("GET", url , true);
	    xmlHttp.send (null);
	}
	
	var showAddToBasket = function() {
	    	//dijit.byId('addDialog').show();
		alert("het product wordt toegevoegd aan uw winkelwagen");
	  	}
	  	
	var hideAddToBasket = function() {
//	    	dijit.byId('addDialog').hide();
	  	}
	    
	function remove_from_cart(id, base_url) {
 	    xmlHttp.onreadystatechange= function() {
	  		if (xmlHttp.readyState == 4){
	  			alert("Het product is verwijderd uit uw winkelwagen");
				  document.location = base_url +"/winkelwagen";
	  		}
		}
		var url = base_url + "/lib/remove_from_cart.php?id="+ id;
		xmlHttp.open ("GET", url , true);
	    xmlHttp.send (null);
	}
	
	function toggleClass(contentid, classOn, classOff) { 
		if (document.getElementById(contentid).className == classOn) {
			document.getElementById(contentid).className = classOff; 
		} else {
			document.getElementById(contentid).className = classOn; 
		}
	} 
	
	function toggleVisibility( contentid ) {
		if(document.getElementById(contentid).style.display == 'block') {
			 document.getElementById(contentid).style.display = 'none';
		} else  {
			 document.getElementById(contentid).style.display = 'block';
		}
	}

	function showMenu(contentid, posX, posY)  {
		document.getElementById(contentid).style.left = posX+'px';
		document.getElementById(contentid).style.top = posY+'px';
		document.getElementById(contentid).style.display = 'block';
	}
	
	function checkField(id, msg) {
		if(document.getElementById( id ).value.length == 0) {
			document.getElementById( id ).style.background = "#FF0000";
			document.getElementById( id ).style.color = "#FFFFFF";
			alert('Voer een waarde in');
			return false;
		} else {
			alert( msg );
			return true;
		}
	}

	
	
	function checkLength() {
		var field_length = document.getElementById('phrase').value.length;
		if(field_length >= 3) {
			document.searchform.submit();
		} else {
			alert('U moet minstens 3 tekens invoeren');
			return false;
		}
	}

	function addPakketToBasket( id ) {
		showAddToBasket();
	    xmlHttp.onreadystatechange= function() {
	  		if (xmlHttp.readyState == 4){
				setTimeout("hideAddToBasket()", 2500);
	  		}
		}
		var url = "http://www.feeks.nl/lib/add_package_to_cart.php?id="+ id;
		xmlHttp.open ("GET", url , true);
	    xmlHttp.send (null);
	}
		
	function changeSuggestion() {
	    xmlHttp.onreadystatechange= function() {
	  		if (xmlHttp.readyState == 4){
				if(xmlHttp.responseText.length > 0) {
	  				document.getElementById('boekentip').innerHTML = xmlHttp.responseText;
	  			}
	  		}
		}
		var url = "http://www.feeks.nl/lib/display_suggestion.php";
		xmlHttp.open ("POST", url , true);
	    xmlHttp.send (null);
	}
	
	function subscribe() {
		var email = document.getElementById('email_nieuwsbrief').value;
			if (xmlHttp.readyState == 4){
				alert('U bent aangemeld voor de nieuwsbrief');
	  		}
		var url = "http://www.feeks.nl/lib/newsletter_signup.php?email="+email;
		xmlHttp.open ("POST", url , true);
	    xmlHttp.send (null);
	}
	
	function increase(id, prod_type) {
		xmlHttp.onreadystatechange= function() {
	  		if (xmlHttp.readyState == 4){
	  			eval(xmlHttp.responseText);
	  		}
		}
		var url = "http://www.feeks.nl/lib/increase_items.php?id="+ id + "&type="+prod_type;
		xmlHttp.open ("GET", url , true);
	    xmlHttp.send (null);
	}
	
	function decrease(id, prod_type) {
		xmlHttp.onreadystatechange= function() {
	  		if (xmlHttp.readyState == 4){
	  			alert(xmlHttp.responseText);
	  		}
		}
		var url = "http://www.feeks.nl/lib/decrease_items.php?id="+ id + "&type="+prod_type;
		xmlHttp.open ("GET", url , true);
	    xmlHttp.send (null);
	}