///////////////////////////////////
/// PageCollection Object ///
///////////////////////////////////
vtpPageCollection.extend(vtpCollection);
function vtpPageCollection()
{
	vtpPageCollection.callBaseConstructor(this);
};

vtpPageCollection.prototype.add = function(url)
{
	var pos = this.items.length;
	this.items[pos] = new vtpPage(url);
	return this.items[pos];
};