/*  Prototype JavaScript framework

 *  (c) 2005 Sam Stephenson <sam@conio.net>

 *  Prototype is freely distributable under the terms of an MIT-style license.

 *  For details, see the Prototype web site: [url=http://prototype.conio.net/]http://prototype.conio.net/[/url]

/*------------------------------------------------   --------------------------*/



//note: modified & stripped down version of prototype, to be used with moo.fx by mad4milk (http://moofx.mad4milk.net).

//updated by andre, webeffekt.no 2006



var Class = {

    create: function() {

        return function() {

            this.initialize.apply(this, arguments);

        }

    }

}



Object.extend = function(destination, source) {

    for (property in source) destination[property] = source[property];

    return destination;

}



Function.prototype.bind = function(object) {

    var __method = this;

    return function() {

        return __method.apply(object, arguments);

    }

}



Function.prototype.bindAsEventListener = function(object) {

var __method = this;

    return function(event) {

        __method.call(object, event || window.event);

    }

}



function $() {

    if (arguments.length == 1) return get$(arguments[0]);

    var elements = [];

    $c(arguments).each(function(el){

        elements.push(get$(el));

    });



    function get$(el){

        if (typeof el == 'string'){ el = document.getElementById(el);}

        return el;

    }

    return elements;

}



if (!window.Element) var Element = new Object();



Object.extend(Element, {

    remove: function(element) {

        element = $(element);

        element.parentNode.removeChild(element);

    },



    hasClassName: function(element, className) {

        element = $(element);

        if (!element) return false;

        var hasClass = false;

        element.className.split(' ').each(function(cn){

            if (cn == className) hasClass = true;

        });

        return hasClass;

    },



    addClassName: function(element, className) {

        element = $(element);

        Element.removeClassName(element, className);

        element.className += ' ' + className;

    },

  

    removeClassName: function(element, className) {

        element = $(element);

        if (!element) return;

        var newClassName = '';

        element.className.split(' ').each(function(cn, i){

            if (cn != className){

                if (i > 0) newClassName += ' ';

                newClassName += cn;

            }

        });

        element.className = newClassName;

    },



    cleanWhitespace: function(element) {

        element = $(element);

        $c(element.childNodes).each(function(node){

            if (node.nodeType == 3 && !/\S/.test(node.nodeValue)) Element.remove(node);

        });

    },



    find: function(element, what) {

        element = $(element)[what];

        while (element.nodeType != 1) element = element[what];

        return element;

    }

});



var Position = {

    cumulativeOffset: function(element) {

        var valueT = 0, valueL = 0;

        do {

            valueT += element.offsetTop  || 0;

            valueL += element.offsetLeft || 0;

            element = element.offsetParent;

        } while (element);

        return [valueL, valueT];

    }

};



document.getElementsByClassName = function(className) {

    var children = document.getElementsByTagName('*') || document.all;

    var elements = [];

    $c(children).each(function(child){

        if (Element.hasClassName(child, className)) elements.push(child);

    });  

    return elements;

}



//useful for-replacement

Array.prototype.each = function(func){

    for(var i=0;i<this.length;i++) func(this[i], i);

}



function $c(array){

        var el = [];

    var nArray = [];


    for (var i=0;el=array[i];i++) nArray.push(el);

    return nArray;

}