var delimiter = "~";
var identifier = "houma";
//**************************************
function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = identifier + name+"="+value+expires+"; path=/";
}
//**************************************
function readCookie(name) {
	var nameEQ = identifier + name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}
//**************************************
function checkForValue(cookie,value) 
{
	if (cookie != null)
	{
		var valSplit = cookie.split(delimiter);
		for(i = 0; i < valSplit.length; i++)
			if(valSplit[i] == value)
				return true;
	}
	return false;
}
//**************************************
function removeValue(name,value) 
{
	var val = readCookie(name);
	var valSplit = val.split(delimiter);
	val = '';
	for(i = 0; i < valSplit.length; i++)
		if(valSplit[i] != value)
			if(val.length == 0)
				val= valSplit[i];
			else
				val = val + '~' + valSplit[i];
	createCookie(name,val,7);
}
//**************************************
function addItem(category,value)
{
	var val = readCookie(category);
	if(!checkForValue(val,value))
	{
		if (val != null && val.length > 0)
			val = val + delimiter + value;
		else
			val = value;		
		createCookie(category,val,7);
		alert('Added ' + value + ' to your suitcase.');
	}
	else
		alert(value + ' is already in your suitcase.');
}
//**************************************
function addItemA(value) {
	addItem('A',value);
}
//**************************************
function addItemD(value) {
	addItem('D',value);
}
//**************************************
function addItemL(value) {
	addItem('L',value);
}
//**************************************
function addItemE(value) {
	addItem('E',value);
}