<script type="text/javascript" >
	function Fw()
	{
		this.url = '';
		
		// Initialize
		this.toInitialize = function(urlValue)
		{
			this.url = urlValue;
		}
		// Initialize
		
		// Ajax
		this.toAjax = function()
		{
			alert('1');
			
			this.sendData = function()
			{
				alert('2');
			}
		}
		// Ajax
	}
	
	var ciao = new Fw();
</script>

<button onclick="ciao.toAjax();">Bla</button>
<button onclick="ciao.toAjax.sendData();">Bla</button>