/**
 * @author adamyardley
 */
function addItem(code, name, quantity, price){
	// Set Up the request
	var ajaxRequest;
	
	try{
		ajaxRequest = new XMLHttpRequest();
	}catch(e){
		//IE
		try{
			ajaxRequest = new ActiveXObject("Msxml2.XMLHTTP");
		} catch(e){
			alert("Please update your browser");
			return false;
		}
	}
	var params = 'name='+name+'&code='+code+'&quantity='+quantity+'&price='+price;
	ajaxRequest.open("POST", "addItem.php", true);
	ajaxRequest.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	ajaxRequest.setRequestHeader("Content-length", params.length);
	ajaxRequest.setRequestHeader("Connection", "close");
	
	ajaxRequest.send(params); 
	
	ajaxRequest.onreadystatechange =function add(){
		if(ajaxRequest.readyState == 4){
			alert(ajaxRequest.responseText);
		}
	}
	

}


function removeItem(code){
	// Set Up the request
	var ajaxRequest;
	
	try{
		ajaxRequest = new XMLHttpRequest();
	}catch(e){
		//IE
		try{
			ajaxRequest = new ActiveXObject("Msxml2.XMLHTTP");
		} catch(e){
			alert("Please update your browser");
			return false;
		}
	}
	var params = 'code='+code;
	ajaxRequest.open("POST", "removeItem.php", true);
	ajaxRequest.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	ajaxRequest.setRequestHeader("Content-length", params.length);
	ajaxRequest.setRequestHeader("Connection", "close");
	
	ajaxRequest.send(params); 
	
	ajaxRequest.onreadystatechange =function remove(){
		if(ajaxRequest.readyState == 4){
			//alert(ajaxRequest.responseText);
		}
	}
	

}