/*
Document: system.js
Enabled by Members of Staff (http://membersofstaff.co.uk)
*/

/* This is a common Javascript file available for use from System templates */
/* hides an element */
function hide( targetID ) {
var elem=document.getElementById( targetID );
elem.style.display = "none";
}
/* shows an element */
function show( targetID ) {
var elem=document.getElementById( targetID );
elem.style.display = "";
}
/* toggles an element between hiding and showing */
function toggle( targetID )
{
var elem=document.getElementById( targetID );
if (elem.style.display == "none")
elem.style.display = "";
else
elem.style.display = "none";
}
/* swaps the display states of two elements */
function swap( first, second )
{
hide( first );
show( second );
}
/* reply_to - opens comment form for replies */
function reply_to( id, subject, showID )
{
show(showID);
var form=document.getElementById("commentform");
form.comment_subject.value = subject;
form.comment_reply_to.value = id;
focus("commentform");
//return false;
}
/* sends a value to a form element in the opener window */
function send_value_to_opener( element, value )
{
window.opener.document.getElementById(element).innerHTML += value;
return false;
}
function send_value_and_close( element, value )
{
send_value_to_opener( element, value );
self.close();
return false;
}
/* add_file() - adds a new form field */
function add_file( div_id, name )
{
var elem=document.getElementById( div_id );
elem.innerHTML += '<input name="' + name + '[]" type="file" /><br /><label>Order</label><br /><input name="' + name + '_order[]" type="text" /><br />';
}
function del_file_item( div_id, file_id )
{
var elem=document.getElementById( div_id );
elem.style.display = "none";
elem.innerHTML = '<input type="hidden" name="del_att[]" value="' +
file_id + '" />';
}
// setfocus to element
function focus( id )
{
var elem=document.getElementById(id);
elem.focus();
}
// popup a window
function popup( theURL, theName, theParms )
{
windowHandle = window.open(theURL, theName, theParms);
if (!windowHandle) { windowHandle.opener = self; }
windowHandle.focus();
}
/* highlight table row */
function highlight_tr( obj, over )
{
if (over) {
colour = obj.style.background;
obj.style.background = 'lemonchiffon';
}
else {
obj.style.background = colour;
}
}
// star_preview - display rating N in div place
function star_preview(name, rating, low, high)
{
for(i=1; i<=rating; i++)
document.images[name+"["+i+"]"].src = low;
for(i=rating+1; i<=5; i++)
document.images[name+"["+i+"]"].src = high;
}
// make new XMLHTTP object
function newxmlobj()
{
if (window.ActiveXObject)
{
// IE
var xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
}
else if (window.XMLHttpRequest)
{
// Mozilla (Firefox, etc.)
var xmlhttp = new XMLHttpRequest();
}
return xmlhttp;
}
// fetches a URL to an element
function fetchURL(xmlhttp, URL, id)
{
xmlhttp.onreadystatechange = function() {
var elem=document.getElementById(id);
if (xml.readyState == 4) {
if (xml.status == 200) {
elem.innerHTML = xml.responseText;
}
}
};
xmlhttp.open("get", URL);
xmlhttp.send(null);
}