$(function() {
//vars
var conveyor = $(".content-conveyor", $("#sliderContent")),
item = $(".item", $("#sliderContent"));
//set length of conveyor
conveyor.css("width", item.length * parseInt(item.css("width")));
//config
var sliderOpts = {
  max: (item.length * parseInt(item.css("width"))) - parseInt($(".viewer", $("#sliderContent")).css("width")),
  slide: function(e, ui) { 
	conveyor.css("left", "-" + ui.value + "px");
  }
};
//create slider
$("#slider").slider(sliderOpts);
});