// Copyright (C) 2008 Ilya S. Lyubinskiy. All rights reserved.
// Technical support: http://www.php-development.ru/
//
// YOU MAY NOT
// (1) Remove or modify this copyright notice.
// (2) Re-distribute this code or any part of it.
// Instead, you may link to the homepage of this code:
// http://www.php-development.ru/javascripts/ajax-chat.php
// (3) Use this code or any part of it as part of another product.
//
// YOU MAY
// (1) Use this code on your website.
//
// NO WARRANTY
// This code is provided "as is" without warranty of any kind.
// You expressly acknowledge and agree that use of this code is at your own risk.
var imageButtons = {};
// ***** Auxiliary *************************************************************
function imageButtonElement (e)
{
if (navigator.appName == "Microsoft Internet Explorer")
return window.event.srcElement;
else return e.target;
}
function imageButtonMouseBtn(e)
{
if (navigator.appName == "Microsoft Internet Explorer")
return window.event.button;
else return e.which;
}
function imageButtonAttachEvent(element, eventName, eventHandler)
{
if (navigator.appName == "Microsoft Internet Explorer")
element.attachEvent('on'+eventName, eventHandler);
else element.addEventListener(eventName, eventHandler, false);
}
// ***** Buttons ***************************************************************
function imageButtonPress(e)
{
if (!window['imageButtons' ]) return;
if (!window['imageButtonElement' ]) return;
if (!window['imageButtonMouseBtn']) return;
if ( window['imageButtonMouseBtn'](e) != 1) return;
window['imageButtons'][window['imageButtonElement'](e).id] = true;
window['imageButtonElement'](e).style['backgroundPosition'] = "1px 1px";
}
function imageButtonRelea(e)
{
if (!window['imageButtons' ]) return;
if (!window['imageButtonElement' ]) return;
if (!window['imageButtonMouseBtn']) return;
if ( window['imageButtonMouseBtn'](e) != 1) return;
window['imageButtons'][window['imageButtonElement'](e).id] = false;
window['imageButtonElement'](e).style['backgroundPosition'] = "0px 0px";
}
function imageButtonEnter(e)
{
if (!window['imageButtons' ]) return;
if (!window['imageButtonElement']) return;
if (!window['imageButtons'][window['imageButtonElement'](e).id]) return;
window['imageButtonElement'](e).style['backgroundPosition'] = "1px 1px";
}
function imageButtonLeave(e)
{
if (!window['imageButtons' ]) return;
if (!window['imageButtonElement']) return;
if (!window['imageButtons'][window['imageButtonElement'](e).id]) return;
window['imageButtonElement'](e).style['backgroundPosition'] = "0px 0px";
}
function imageButtonAdd (id)
{
var element = document.getElementById(id);
imageButtonAttachEvent(element, 'mousedown', imageButtonPress);
imageButtonAttachEvent(element, 'mouseup', imageButtonRelea);
imageButtonAttachEvent(element, 'mouseover', imageButtonEnter);
imageButtonAttachEvent(element, 'mouseout', imageButtonLeave);
imageButtonAttachEvent(element, 'blur', imageButtonRelea);
}
// ***** Document **************************************************************
function imageButtonDocumentPress(e)
{
if (!window['imageButtons']) return;
for(var i in window['imageButtons'])
{
window['imageButtons'][i] = false;
document.getElementById(i).style["backgroundPosition"] = "0px 0px";
}
}
imageButtonAttachEvent(document, 'mouseup', imageButtonDocumentPress);
document.write('');
document.write('