function greybuttonon(n) {
	if ( n == 1 ) { document.bookmarkbutton.src="Images/Buttons/greybutton-bookmark-on.png" ; return true; };
	if ( n == 2 ) { document.facebookbutton.src="Images/Buttons/greybutton-facebook-on.png" ; return true; };
	if ( n == 3 ) { document.linkedinbutton.src="Images/Buttons/greybutton-linkedin-on.png" ; return true; };
	if ( n == 4 ) { document.newsletterbutton.src="Images/Buttons/greybutton-newsletter-on.png" ; return true; };
	if ( n == 5 ) { document.tellacolleaguebutton.src="Images/Buttons/greybutton-tellacolleague-on.png" ; return true; };
	if ( n == 6 ) { document.tcbutton.src="Images/Buttons/greybutton-tc-on.png" ; return true; };
	if ( n == 7 ) { document.advertisebutton.src="Images/Buttons/greybutton-advertise-on.png" ; return true; };
	if ( n == 8 ) { document.careersbutton.src="Images/Buttons/greybutton-careers-on.png" ; return true; };
	if ( n == 9 ) { document.contactbutton2.src="Images/Buttons/greybutton-contact-on.png" ; return true; };
	if ( n == 10 ) { document.linksbutton.src="Images/Buttons/greybutton-links-on.png" ; return true; };
	};
function greybuttonoff(n) {
	if ( n == 1 ) { document.bookmarkbutton.src="Images/Buttons/greybutton-bookmark.png" ; return true; };
	if ( n == 2 ) { document.facebookbutton.src="Images/Buttons/greybutton-facebook.png" ; return true; };
	if ( n == 3 ) { document.linkedinbutton.src="Images/Buttons/greybutton-linkedin.png" ; return true; };
	if ( n == 4 ) { document.newsletterbutton.src="Images/Buttons/greybutton-newsletter.png" ; return true; };
	if ( n == 5 ) { document.tellacolleaguebutton.src="Images/Buttons/greybutton-tellacolleague.png" ; return true; };
	if ( n == 6 ) { document.tcbutton.src="Images/Buttons/greybutton-tc.png" ; return true; };
	if ( n == 7 ) { document.advertisebutton.src="Images/Buttons/greybutton-advertise.png" ; return true; };
	if ( n == 8 ) { document.careersbutton.src="Images/Buttons/greybutton-careers.png" ; return true; };
	if ( n == 9 ) { document.contactbutton2.src="Images/Buttons/greybutton-contact.png" ; return true; };
	if ( n == 10 ) { document.linksbutton.src="Images/Buttons/greybutton-links.png" ; return true; };
	};	

function revertAll()
{
	clearTimeout(t1);
	clearTimeout(t2);
	backwardImage = forwardImage;
	reverseScale();
}