/*********Additionnal javascript method************/

if (document.getElementsByClassName == undefined) {
	document.getElementsByClassName = function(className) {
		var hasClassName = new RegExp("(?:^|\\s)" + className + "(?:$|\\s)");
		var allElements = document.getElementsByTagName("*");
		var results = [];
		var element;
		for (var i = 0; (element = allElements[i]) != null; i++) {
			var elementClass = element.className;
			if (elementClass && elementClass.indexOf(className) != -1 && hasClassName.test(elementClass)) results.push(element);
		}
		return results;
	}
}

if (typeof HTMLElement!="undefined" && !HTMLElement.prototype.insertAdjacentElement){
	HTMLElement.prototype.insertAdjacentElement = function (where,parsedNode) {
		switch (where){
			case 'beforeBegin':
				this.parentNode.insertBefore(parsedNode,this);
			break;
			case 'afterBegin':
				this.insertBefore(parsedNode,this.firstChild);
			break;
			case 'beforeEnd':
				this.appendChild(parsedNode);
			break;
			case 'afterEnd':
				if (this.nextSibling) this.parentNode.insertBefore(parsedNode,this.nextSibling);
				else this.parentNode.appendChild(parsedNode);
			break;
		}
	}
	HTMLElement.prototype.insertAdjacentHTML = function (where,htmlStr) {
		var r = this.ownerDocument.createRange();
		r.setStartBefore(this);
		var parsedHTML = r.createContextualFragment(htmlStr);
		this.insertAdjacentElement(where,parsedHTML);
	}
	HTMLElement.prototype.insertAdjacentText = function (where,txtStr) {
		var parsedText = document.createTextNode(txtStr);
		this.insertAdjacentElement(where,parsedText);
	}
}

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

if (!Array.prototype.pop) {
    Array.prototype.pop = function() {
        var last;
        if (this.length) {
            last = this[this.length - 1];
            this.length -= 1;
        }
        return last;
    };
}

if (!Array.prototype.push) {
    Array.prototype.push = function() {
        for (var i = 0; i < arguments.length; ++i) this[this.length] = arguments[i];
        return this.length;
    };
}

if (!Array.prototype.shift) {
    Array.prototype.shift = function() {
        var first;
        if (this.length) {
            first = this[0];
            for (var i = 0; i < this.length - 1; ++i) this[i] = this[i + 1];
            this.length -= 1;
        }
        return first;
    };
}

if (!Array.prototype.unshift) {
    Array.prototype.unshift = function() {
        if (arguments.length) {
            var i, len = arguments.length;
            for (i = this.length + len - 1; i >= len; --i) this[i] = this[i - len];
            for (i = 0; i < len; ++i) this[i] = arguments[i];
        }
        return this.length;
    };
}

if (!Array.prototype.splice) {
    Array.prototype.splice = function(index, howMany) {
        var elements = [], removed = [], i;
        for (i = 2; i < arguments.length; ++i) elements.push(arguments[i]);
        for (i = index; (i < index + howMany) && (i < this.length); ++i) removed.push(this[i]);
        for (i = index + howMany; i < this.length; ++i) this[i - howMany] = this[i];
        this.length -= removed.length;
        for (i = this.length + elements.length - 1; i >= index + elements.length; --i) this[i] = this[i - elements.length];
        for (i = 0; i < elements.length; ++i) this[index + i] = elements[i];
        return removed;
    };
}