<!--- THIS SCRIPT VALIDATES FORM FIELDS --->
// pn_form_check.js
// Check for null and for empty
<!--
function isFilled(elm) {
    if (elm.value == "" ||
        elm.value == null) 
    return false;
    else return true;
}

function isPNFReady(form) {

    // is ProductID element filled?

    if (isFilled(form.ProductID) == false) {
    alert("Please enter an Item Number.");
    form.ProductID.focus();
    return false;
    }

return true;
}
//-->