function addCart(no){

	var ctlname1="a_" + no;
	var ctlname2="i_" + no;

    if($(ctlname2).alt == trueAlt){
		return true;
    }
    var ajax = new Ajax.Request("/cart/?no=" + no, {onComplete: _addCart});

	return false;
}
function _addCart(){
	checkCart();
}

function checkCart(){
    var ajax = new Ajax.Request("/cart/check2.html", {onComplete: _chkCart});
}
function _chkCart(res){
    eval('var data = ' + res.responseText);
	nos.each(function(no){
		$("i_" + no.toString()).src = (data["cart"] && data["cart"][no]) ? trueImg : falseImg;
		$("i_" + no.toString()).alt = (data["cart"] && data["cart"][no]) ? trueAlt : falseAlt;
		$("a_" + no.toString()).href = (data["cart"] && data["cart"][no]) ? trueUrl : "";
	});
}