/* Horizontal Tiny Scrolling - a smooth scrolling script for horizontal websites
(the brother of the vertical "Tiny Scrolling")
by Marco Rosella - http://www.centralscrutinizer.it/en/design/js-php/horizontal-tiny-scrolling
                v0.6 - February 14, 2007

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/
//

// mouse wheel scroll
function handle(delta) {
	var iAantalPixels = 75;
	if (delta < 0 ) {
		window.scrollBy(iAantalPixels, 0);
	}
	else {
		window.scrollBy(-iAantalPixels, 0);
	}
}

function wheel(event){
	var delta = 0;
	if (!event) {
		event = window.event;
	}
	if (event.wheelDelta) {
		delta = event.wheelDelta/120;
	} else if (event.detail) {
		delta = -event.detail/3;
	}
	if (delta) {
		handle(delta);
	}
}
if (window.addEventListener)
	window.addEventListener('DOMMouseScroll', wheel, false);
window.onmousewheel = document.onmousewheel = wheel;