// JavaScript Document
function Ajax(){
	
	this.ajax = false; // variavel privada
	
	//metodo da conexao ajax
	this.Ajax = function(){		
		this.ajax = false;
		if( window.XMLHttpRequest ){ //Mozilla,safari
			this.ajax = new XMLHttpRequest();
		}else if( window.ActiveXObject ){ //IE
			try{
				this.ajax = new ActiveXObject("Msxml2.XMLHTTP");
			}catch(e){
				try {
					this.ajax = new ActiveXObject("Microsoft.XMLHTTP");
				}catch(e){}	
			}
		}	
		return this.ajax;
	}
			
}