function load_blend(unique,speed_seconds)
{
	$(unique + '_module_blender').style.height = $(unique + '_box_blender_1').offsetHeight + 'px';
	$(unique + '_module_blender').scroll = true;
	setTimeout("change_page(" + unique + ",1,2,"+ speed_seconds+")", speed_seconds*1000);
}



function change_page(unique, prevPageId, nextPageId,speed_seconds)
{
	var nb_page = document.getElementById(unique + '_box_blender_nb_page');
	if (nb_page.value > 1)
	{
		if ($(unique + '_module_blender').scroll)
		{
			new Effect.Parallel([
			  new Effect.Fade(unique + "_box_blender_" +  prevPageId, { duration: 0.5}), 
			  new Effect.Appear(unique + "_box_blender_" +  nextPageId, { duration: 0.5}) 
			], {
			  duration: 0.8,
			  delay: 0
			});

			if (nextPageId < nb_page.value)
				var afterNextPageId = nextPageId + 1;
			else
				var afterNextPageId = 1;
			setTimeout("adjust_div_height(" + unique + ", " + nextPageId + ")", 100);
			setTimeout("change_page(" + unique + ", " + nextPageId + ", " + afterNextPageId + ","+speed_seconds+")", speed_seconds*1000);
		}
		else
		{
			setTimeout("change_page(" + unique + ", " + prevPageId + ", " + nextPageId + "," +speed_seconds+")", speed_seconds*1000);
		}
	}
}



function adjust_div_height(unique, nextPageId)
{
	if ($(unique + "_box_blender_" +  nextPageId).offsetHeight > $(unique + '_module_blender').offsetHeight)
		$(unique + '_module_blender').style.height = $(unique + "_box_blender_" +  nextPageId).offsetHeight + 'px';
}