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/**
* Copyright (c) 2007 Nathan Kinkade
*
* This code is offered under an MIT (X11) license. For more information
* about the terms of this license see the file LICENSE included with this
* software or visit: http://www.opensource.org/licenses/mit-license.php
*/
function empty(field) {
field = trim(field);
if ( field ) {
return false;
} else {
return true;
}
}
function trim(string) {
string = string.replace(/^\s+/, '');
string = string.replace(/\s+$/, '');
return string;
}
function getElement(elemid) {
/* the former for Firefox and crew, the latter for IE */
return (document.getElementById) ? document.getElementById(elemid) : document.all[elemid];
}
function submitForm(formid) {
var myForm = getElement(formid);
myForm.submit();
return true;
}
function checkAll(fieldname) {
var myCheckBoxes = document.getElementsByName(fieldname);
for ( idx = 0; idx < myCheckBoxes.length; idx++ ) {
if ( myCheckBoxes[idx].checked == false ) {
myCheckBoxes[idx].checked = true;
}
}
}
function uncheckAll(fieldname) {
var myCheckBoxes = document.getElementsByName(fieldname);
for ( idx = 0; idx < myCheckBoxes.length; idx++ ) {
if ( myCheckBoxes[idx].checked == true ) {
myCheckBoxes[idx].checked = false;
}
}
}
function switchToStylesheet(title) {
var idx, linkElement;
for ( idx = 0; (linkElement = document.getElementsByTagName("link")[idx]); idx++ ) {
if ( (linkElement.getAttribute("rel").indexOf("style") != -1) && (linkElement.getAttribute("title")) ) {
linkElement.disabled = true;
if ( linkElement.getAttribute("title") == title ) {
linkElement.disabled = false;
}
}
}
}
// this is only here because XHTML 1.0 strict has deprected the target attribute
function openInNewWindow(url) {
window.open(url, "_blank", "resizable=yes ,scrollbars=yes,toolbar=no,menubar=yes,width=640,height=480");
}
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