/**  **  ** **  **  ** **  **  ** **  **  ** **  **  ** **  **  ** **  **  **
 * Loader object
 */
var Loader = {
    activeCalls : 0,
    busyElement : null,
    
    /**
     * init()
     * Initializes busy indicator and hides it.
     */
    init : function() {
        //console.log("Loader.init()");
        this.busyElement = '#ajaxLoader';
        this.hideBusy();
    },
    
    /**
     * load()
     * Load content with AJAX. Request type = POST, Response JSON.
     * @param   string(controller) Requested controller
     * @param   string(data) Posted parameters (json)
     * @param   string(callback) Name of callback function. NO '()' at end, only name.
     */
    load : function(controller,data,callback) {
        
        this.increaseCallCount();
        
        if (!data) data = {};
        
        $.ajax(
        {
            type: "POST",
            url: controller,
            data : data,
            
            success: function(json)
            {
                //success
                eval('var jsonData = '+json+';');
                eval( callback + '(jsonData)' );
            },
                   
            failure: function()
            {
                //alert('Tapahtui virhe tiedonv�lityksess�');
            }
                                                           
        });
    },
    
    /**
     * increaseCallCount()
     * Increases activeCalls count - should not be called directly!
     * @param   integer(i) Count used to increse activeCalls
     */
    increaseCallCount : function(i) {
        //console.log("Loader.increaseCallCount('%s')",i);
        if(i) {
            this.activeCalls = this.activeCalls + i;
        } else {
            this.activeCalls++;
        }
        this.updateBusy();
    },
    
    /**
     * decreaseCallCount()
     * Decreases activeCalls count
     */
    decreaseCallCount : function() {
        if(this.activeCalls > 0) {
            this.activeCalls--;
        }
        this.updateBusy();
    },
    
    /**
     * updateBusy()
     * Updates the busy indicator.
     */
    updateBusy : function() {
        //console.log("Loader.updateBusy() [%s]",this.activeCalls);
        if( this.activeCalls ) {
            this.showBusy();
        } else {
            this.hideBusy();
        }
    },
    
    /**
     * showBusy()
     * Shows the busy indicator element.
     */
    showBusy : function() {
        //console.log("Loader.showBusy()");
        if(this.busyElement) $(this.busyElement).fadeIn("fast");
        $("body").css("cursor","wait");
    },
    
    /**
     * hideBusy()
     * Hides the busy indicator element.
     */
    hideBusy : function() {
        //console.log("Loader.hideBusy()");
        if(this.busyElement) $(this.busyElement).fadeOut("slow");
        $("body").css("cursor","default");
    }
}

var Page = {
    load : function(url,pageName)
    {
        window.open(url,pageName,'width=1024,height=768');
    }
}

var Base = {
    initialize : function()
    {
        Loader.init();  
    }
};

Array.prototype.inArray = function (value) {
    var i;
    for (i=0; i < this.length; i++) {
        if (this[i] === value) {
            return true;
        }
    }
    return false;
};