How to modify a validation?

[bigbacon]

We have a script attached to a form field which is

function onChange(control, oldValue, newValue, isLoading) {
    if (isLoading || newValue == '') {
        return;
    }

    var cdt = g_form.getValue("u_target_start_date");
    var ajax = new GlideAjax('sn_hr_core.ClientDateTimeUtils');
    ajax.addParam('sysparm_name', 'validateDate');
    ajax.addParam('sysparm_date', cdt);
    ajax.getXML(getDate);

    function getDate(response) {
        var answer = response.responseXML.documentElement.getAttribute('answer');
        //console.log(answer);

        if (answer == "false") {
            alert("Please select a Monday that is at least 2 weeks from the date of your request");
            g_form.clearValue("u_target_start_date");
            g_form.clearValue("u_year_1_effective_date");
            g_form.clearValue("u_year_1_effective_date_end");
            g_form.clearValue("u_year_2_effective_date");
            g_form.clearValue("u_year_2_effective_date_end");
            g_form.clearValue("u_year_3_effective_date");
            g_form.clearValue("u_year_3_effective_date_end");
            return false;
        }
    }
}

thiss was done by a third party and I am trying to figure out how to modify the underlying validation that takes place as we need to change it from 2 weeks to 3 weeks. 

Where in the world do you go to change something like this? Anything I can think of leads me no where.

[Sandeep Rajput · Accepted solution]

@bigbacon The main logic for this validation lies within the Script include 

ClientDateTimeUtils

You will be able to find this script include inside Human Resource: Core application scope.

Once you are inside the script include, you need to search for a function with name 

validateDate

Inside this function you will find the validation for two weeks.

Please mark the response helpful and accepted solution if it manages to answer your question.

[bigbacon]

I exported all these and searched the script for that and came up with nothing that does a validation based on a 2 week range from today's date.

[bigbacon]

Ok, update, that worked. I totally missed it all at first. 

Thank you

[Sandeep Rajput]

@bigbacon Glad to know it worked.