function setSummaryFields(regionName, regionCd, codelookupName, codelookupCd) {
   setHiddenField(regionName, regionCd);
   setHiddenField(codelookupName, codelookupCd);
}

function setHiddenField(hiddenFieldDesc, inputCd) {    
    hiddenFieldDesc.value = inputCd.options[inputCd.selectedIndex].value < 0?"":inputCd.options[inputCd.selectedIndex].text;
}

function validateSearchForm(field, errorMessage) {
    if (validateTextInput(field)) {
        return true;
    }
    else {
        alert(errorMessage);
        if (field != null) {
            field.focus();
        }
        return false;
    }
}

function validateAdvancedSearchForm(field1, field2, field3, field4, errorMessage) {
    if (validateTextInput(field1) || validateTextInput(field2) || validateTextInput(field3) || validateTextInput(field4)) {
        return true;
    }
    else {
        alert(errorMessage);
        if (field1 != null) {
            field1.focus();
        }
        return false;
    }
}

function validateTextInput(field) {
    var valid = false;
    if (field != null) {
        field.value = trim(field.value);
        if (field.value.length > 0) {
            valid = true;
        }
    }
    return valid;
}

function isEmpty(strText) {
    var empty = true;
    
    for (i=0; i<strText.length; i++) {
        var c = strText.substring(i, i+1);
        if (c != ' ') {
           empty = false;
           break;
        }
    }
    return empty;
} 

function trim(strText) { 
    if ((strText == null) || (strText == '')) 
    {
        strText == '';
        return strText;
    }
    else 
    {
        // this will get rid of leading spaces 
        while (strText.substring(0,1) == ' ') 
            strText = strText.substring(1, strText.length);

        // this will get rid of trailing spaces 
        while (strText.substring(strText.length-1,strText.length) == ' ')
            strText = strText.substring(0, strText.length-1);

       return strText;
    }
}