$(document).ready(function(){
	initSliders();
});

function initSliders(){
	$(".scroll-pictures .image-holder").each(function(){
		$(this).find("img:eq(1)").css("opacity",0);
	}); 
	$(".picture-slider").slider({
		value:0,
		min: 0,
		max: 100,
		step: 1,
		slide: function(event, ui) {
			var value = ui.value;
			var images = $(this).parents("div.picture").find("img");
			$(images.get(0)).css("opacity",(1-value/100) );
			$(images.get(1)).css("opacity",(value/100) );
		}
	});
};