how to pass date and time into javascript method on button onclick function ?

onclick='javascript: doctorAppmodel('0','7','2/12/2014','02:40 AM');'

function doctorAppmodel(appdocid, appid, date, starttime) {
       
        if (appdocid > 0) {
            $.ajax({
                type: "POST",
                url: "/Dashboard.aspx/showdoctorAppointment",
                contentType: "application/json;charset=utf-8",
                data: "{'intapp':'" + obj + "'}",
                dataType: "json",
                success: function (data) {

                },
                error: function (result) {
                    alert("Error login");
                }
            });
        } else {
            document.getElementById('<%=lbldocname_doctorApp.ClientID%>').innerText = "Dr. " + '<%=Session["DocName"]%>';

            var date = new Date(date);
            var yr = date.getFullYear();
            var mo = date.getMonth() + 1;
            var day = date.getDate();
            document.getElementById('<%=lbldate_doctorApp.ClientID%>').innerText = day + "/" + mo + "/" + yr;
            document.getElementById('<%=lbltime_doctorApp.ClientID%>').innerText = starttime;

            document.getElementById('<%=hdndocname_doctorApp.ClientID%>').value = "Dr. " + '<%=Session["DocName"]%>';
            document.getElementById('<%=hdndate_doctorApp.ClientID%>').value = mo + "/" + day + "/" + yr;
            document.getElementById('<%=hdntime_doctorApp.ClientID%>').value = starttime;
        }
    }