function GoForward(el) {
	el=parseInt(el);
	if(galleryimages[el+2]) {
		if($('galleryitem1')) $('galleryitem1').src=galleryimages[el];
		if($('galleryitem2')) $('galleryitem2').src=galleryimages[el+1];
		if($('galleryitem3')) $('galleryitem3').src=galleryimages[el+2];

		if($('galleryitem1id')) $('galleryitem1id').value=el;
		if($('galleryitem2id')) $('galleryitem2id').value=el+1;
		if($('galleryitem3id')) $('galleryitem3id').value=el+2;
	}
}
function GoBack(el) {
	el=parseInt(el);
	if(galleryimages[el-1]) {
		if($('galleryitem1')) $('galleryitem1').src=galleryimages[el-1];
		if($('galleryitem2')) $('galleryitem2').src=galleryimages[el];
		if($('galleryitem3')) $('galleryitem3').src=galleryimages[el+1];

		if($('galleryitem1id')) $('galleryitem1id').value=el-1;
		if($('galleryitem2id')) $('galleryitem2id').value=el;
		if($('galleryitem3id')) $('galleryitem3id').value=el+1;
	}
}
function ChangeMainImg(el) {
	el=parseInt(el);
	if(galleryimagesbig[el]) {
		$('gallerybig').src=galleryimagesbig[el];
	}
}