$(document).ready(function() {
    

    $(window).unload( function () { 
        eraseCookie("cartId");
    });
    
    
    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 = name+"="+value+expires+"; path=/";
    }


    function eraseCookie(name) 
    {
    	createCookie(name,"",-1);
    }
})