$(function () {

    $("#btnAdd").click(function () {

        var strLinValu = ".combo-text" + "," +"#txtCpname"+ "," + "#txtCPS" + "," + "#txtPhone" + "," +"#txtFax" + "," + "#txtAddress1"

        if (chkInputVal(strLinValu))

            return false;

        else

            return true;

    });

})

function chkInputVal(strlin) {

    var strArry = strlin.split(',');

    var Flag = false;

    for (var i = 0; i < strArry.length; i++) {

        if ($(strArry[i]).val() == "" || $(strArry[i]).val() == null) {

            $(strArry[i]).focus(); //对应的元素ID获取焦点

            Flag = true;

            break;

        }

    }

    return Flag;

}