// scripts.js - JavaScript
// Common functions for WPC database

// return a copy of the string with leading and trailing blanks stripped
function trim(trimString) {

    // remove leading blanks
    while (trimString.length > 0 && trimString.charAt(0) == " ") {
        trimString = trimString.substring(1,trimString.length);
    }

    // remove trailing blanks
    while (trimString.length > 0 && trimString.charAt(trimString.length -1) == " ") {
        trimString = trimString.substring(0,trimString.length -1);
    }

    return trimString;
}

// check if a text field is empty.
function isEmpty(field) {
    if (trim(field.value) == "") {
        return true;
    } else {
        return false;
    }
}

// Load the browse page for a given group
function loadBrowse(group, form) {
	form.group.value = group;
	form.submit();
}