<!--
/******************************************************************************
* bittech_nav.js                                                              *
*                                                                             *
* Copyright 2006 Bit Tech Ltd                                                 *
* Developed By: South West Software Ltd                                       *
* Web address: http://www.swsw.co.uk                                          *
* Last update: December 4, 2006.                                              *
*                                                                             *
* Creates rollover button images for the Bit Tech web site.                   *
*                                                                             *
* Modification History                                                        *
* ====================                                                        *
*                                                                             *
*                                                                             *
******************************************************************************/

if (document.images) 
{

    var trainingon 	= new Image();
    trainingon.src 	= "images/sigtran-training-on.png";
    var consultancyon 	= new Image();
    consultancyon.src 	= "images/sigtran-consultancy-on.png";
    var clientson 	= new Image();
    clientson.src 	= "images/sigtran-clients-on.png";
    var abouton 	= new Image();
    abouton.src 	= "images/sigtran-about-on.png";


    var forumon 		= new Image();
    forumon.src 		= "images/ss7-training-forum-on.png";
    var wikion 		= new Image();
    wikion.src 		= "images/sigtran-training-wiki-on.png";
    var blogon 		= new Image();
    blogon.src 		= "images/ss7-training-blog-on.png";
    var onsiteon 	= new Image();
    onsiteon.src 	= "images/ss7-training-onsite-on.png";
    var customon 	= new Image();
    customon.src 	= "images/ss7-training-custom-on.png";
    var downloadon 	= new Image();
    downloadon.src 	= "images/ss7-training-download-on.png";
    var whyuson 	= new Image();
    whyuson.src 	= "images/ss7-training-whyus-on.png";
    var contactuson 	= new Image();
    contactuson.src 	= "images/ss7-training-contactus-on.png";

    var forumoff 		= new Image();
    forumoff.src 		= "images/ss7-training-forum-off.png";
    var trainingoff 	= new Image();
    trainingoff.src 	= "images/sigtran-training-off.png";
    var consultancyoff 	= new Image();
    consultancyoff.src 	= "images/sigtran-consultancy-off.png";
    var clientsoff 	= new Image();
    clientsoff.src 	= "images/sigtran-clients-off.png";
    var aboutoff 	= new Image();
    aboutoff.src 	= "images/sigtran-about-off.png";
    var contactoff 	= new Image();
    contactoff.src 	= "images/ss7-training-contactus-off.png";
    var wikioff 	= new Image();
    wikioff.src 	= "images/sigtran-training-wiki-off.png";
    var blogoff 	= new Image();
    blogoff.src 	= "images/ss7-training-blog-off.png";
    var onsiteoff 	= new Image();
    onsiteoff.src 	= "images/ss7-training-onsite-off.png";
    var customoff 	= new Image();
    customoff.src 	= "images/ss7-training-custom-off.png";
    var downloadoff 	= new Image();
    downloadoff.src 	= "images/ss7-training-download-off.png";
    var whyusoff 	= new Image();
    whyusoff.src 	= "images/ss7-training-whyus-off.png";
    var contactusoff 	= new Image();
    contactusoff.src 	= "images/ss7-training-contactus-off.png";
}

function image_on(image_name) 
{
	if (document.images) 
	{
		document[image_name].src = eval(image_name + "on.src");
		if ((image_name != "ss7-training-contactus") && (image_name != "ss7-training-wiki") && (image_name != "ss7-training-blog") && (image_name != "ss7-training-forum")) 
		{
			document.keypad.src = "images/keypad_anim.gif";
		}
	}
}

function image_off(image_name) 
{
	if (document.images) 
	{
		document[image_name].src = eval(image_name + "off.src");
		if ((image_name != "ss7-training-contactus") && (image_name != "ss7-training-wiki") && (image_name != "ss7-training-blog") && (image_name != "ss7-training-forum"))
		{
			document.keypad.src = "images/sigtran-training-keypad.gif";
		}
	}
}

//-->