// JavaScript Document

		var xmlHttp = false;
		var idType = 0;

		try {
		  xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			 try {
				xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
			  } catch (e2) {
				xmlHttp = false;
			  }
		 }

		if (!xmlHttp && typeof XMLHttpRequest != 'undefined') {
		  xmlHttp = new XMLHttpRequest();
		}
		

	function addtocart(id,type,start,full){
		
		var url = start + "/lesson/addcart.php?idInstance=" + id + "&idType=" + type;

		idType = type;
		xmlHttp.open("GET", url, true);
		xmlHttp.onreadystatechange = updatePage;
		xmlHttp.send(null);
	
		var pic;
		var picurl;
		var picname;
		switch(type) {
			case 1:
				picname = id + '_addinterest';
				picurl = start + '/pix/lesson/register_interest.gif';
				picalttext = 'If you are interested in this event but you are unable to attend or the event is fully booked, please register interest here.';
				pic = document.getElementById(picname);
				if (pic) {
					pic.setAttribute('src',picurl);
					pic.setAttribute('alt',picalttext);
					pic.setAttribute('title',picalttext);
				}

				picname = id + '_addcart';
				picurl = start + '/pix/lesson/already_booked.gif';
				picalttext = 'Event already booked';
				break;
			case 2:
				picname = id + '_addcart';
				switch(full) {
					case 1:
						picurl = start + '/pix/lesson/fully_booked.gif';
						picalttext = 'Event fully booked';
						break;
					case 0:
						picurl = start + '/pix/lesson/cart.gif';
						picalttext = 'Book on to this event';
						break;
				}
				pic = document.getElementById(picname);
				if (pic) {
					pic.setAttribute('src',picurl);
					pic.setAttribute('alt',picalttext);
					pic.setAttribute('title',picalttext);
				}

				picname = id + '_addinterest';
				picurl = start + '/pix/lesson/already_booked.gif';
				picalttext = 'Interest already registered';
				break;
		}
		pic = document.getElementById(picname);
		if (pic) {
			pic.setAttribute('src',picurl);
			pic.setAttribute('alt',picalttext);
			pic.setAttribute('title',picalttext);
		}
	}
	
	function updatePage() {
	 	if (xmlHttp.readyState == 4) {
			var cartDiv = document.getElementById('cartDiv');
			var cartImgDiv = document.getElementById('imgCartDiv');
			var response = xmlHttp.responseText;
				if(response != ''){
					cartDiv.innerHTML = response;
					cartImgDiv.src = 'http://www.forskills.co.uk/lcms/pix/lesson/cart_full.png';
					alert('Event added to cart.');
				}else{
					cartDiv.innerHTML = 'Empty';
					cartImgDiv.src = 'http://www.forskills.co.uk/lcms/pix/lesson/cart_empty.png';
				}
			//document.form1.organisation.value = response;
	  	}
	 }
	 
	 function remove_item(id,type,start){
		 
		var url = start + "/lesson/removecart.php?idInstance=" + id + "&idType=" + type;
		idType = type;
		xmlHttp.open("GET", url, true);
		xmlHttp.onreadystatechange = updateView;
		xmlHttp.send(null);
		 
	 }
	 
	 function updateView(){
		 if (xmlHttp.readyState == 4) {
			//alert(xmlHttp.responseText);
			window.location.reload(); 
		 }
	 }