(function($) {

$.StartScreen = function(){

var plugin = this;

plugin.init = function(){

setTilesAreaSize();

addMouseWheel();

};

var setTilesAreaSize = function(){

var groups = $(".tile-group");

var tileAreaWidth = 160;

$.each(groups, function(i, t){

tileAreaWidth += $(t).outerWidth()+46;

});

$(".tile-area").css({

width: tileAreaWidth

});

};

var addMouseWheel = function (){

$("body").mousewheel(function(event, delta){

var scroll_value = delta * 50;

$(document).scrollLeft($(document).scrollLeft() - scroll_value);

return false;

});

};

plugin.init();

}

})(jQuery);

$(function(){

$.StartScreen();

});