var CartModified = function()
{
    this.eventName=arguments[0];
    var mEventName=this.eventName;
    var eventAction=new Array(0);
    
    this.subscribe=function(fn)
    {
        if(eventAction.length==0)
            eventAction[0]=fn;
        else
            eventAction[eventAction.length]=fn;
    }
    
    this.fire=function(sender,eventArgs)
    {
        this.eventName='eventName2';
        if(eventAction.length>0)
        {
            for(i=0;i<eventAction.length;i++)
            {
                eventAction[i](sender,eventArgs);
            }    
        }
    }
}

var onCartUpdated=new CartModified("cartModifiedEventHandler");