function initPage(myId,myLeft,myRight){
	
	var _gallery = myId;
	var _leftArrow = myLeft;
	var _rightArrow = myRight;
	//var _step = 405;
	var _duration = 1800;
	var _liPadding = 12;
	
	var _gWidth1 = $(_gallery).getSize();
	var _liWidth1 = $(_gallery).getElement('li').getSize();
	
	var _gWidth = _gWidth1.x + _liPadding ;
	var _liWidth = _liWidth1.x + _liPadding;
	//$(document.body).getElement('div')
	//var _liSum = $$('li').length /** _liWidth*/;
	var _liSum = $(_gallery).getElements('li').length*_liWidth;
	var _margin = 0;
	var f = 0;
	
	//_step = _gWidth;
	_step = 480;
	
	$(_rightArrow).addEvent('click', function(){
		var morphfxs = new Fx.Morph($(_gallery).getElement('ul'), {duration: 'long', transition: Fx.Transitions.Sine.easeOut});
		if (_liSum - _gWidth  <= _margin + _step) {
				if (f == 0) {
					_margin = _liSum - _gWidth
					f = 1;
				} else {
					_margin = 0;
					f = 0
				}
			}
		else _margin = _margin + _step;

		morphfxs.start({
			'margin-left': -_margin
			});
		return false;
	});
	
	
	$(_leftArrow).addEvent('click', function(){
		var morphfxs = new Fx.Morph($(_gallery).getElement('ul'), {duration: 'long', transition: Fx.Transitions.Sine.easeOut});
			_margin = _margin - _step;
			if (_margin < 0) _margin = 0;
			morphfxs.start({
			'margin-left': -_margin
			});
		return false;
	});
}


window.addEvent('domready', function(){
	initPage('showDiapo1','prev','next');
	initPage('showDiapo2','prev2','next2');
	initPage('showDiapo3','prev3','next3');
	initPage('showDiapo4','prev4','next4');
	initPage('showDiapo5','prev5','next5');
	initPage('showDiapo6','prev6','next6');
	initPage('showDiapo7','prev7','next7');
});