var newClass = $("#sws-aspect-select").val();
var args = newClass.split("-");
var targetRatio = (args[2] - 0) / (args[3] - 0);
var realRatio = window.innerWidth / window.innerHeight;
var byClass = (targetRatio > realRatio ) ? "sws-by-height" : "sws-by-width";
var newClass = $("#sws-aspect-select").val();
var args = newClass.split("-");
var targetRatio = (args[2] - 0) / (args[3] - 0);
var realRatio = window.innerWidth / window.innerHeight;
var byClass = (targetRatio > realRatio ) ? "sws-by-height" : "sws-by-width";