codice:
 function Table(n){
	this.number=n;
        this.user=Array();
        this.button=$("#table_1").find(".sitdown");

	this.button.bind("click",this.sit.bind(this));
	this.li.each(function(index, element) {
            //this.user.push($(element).text()); primo problema
        }.bind(this));
}
Table.prototype.sit = function(){
	//alert(this) secondo problema
}