/**  * Allows moving around inputs/select by Ctrl+arrows  *  * @param   object   event data  */function onKeyDownArrowsHandler(e) {    e = e||window.event;    var o = (e.srcElement||e.target);    if (!o) return;    if (o.tagName != "TEXTAREA" && o.tagName != "INPUT" && o.tagName != "SELECT") return;    if (navigator.userAgent.toLowerCase().indexOf('applewebkit/') != -1) {        if (e.ctrlKey || e.shiftKey || !e.altKey) return;    } else {        if (!e.ctrlKey || e.shiftKey || e.altKey) return;    }    if (!o.id) return;    var pos = o.id.split("_");    if (pos[0] != "field" || typeof pos[2] == "undefined") return;    var x = pos[2], y=pos[1];    // skip non existent fields    for (i=0; i<10; i++)    {        if (switch_movement) {            switch(e.keyCode) {                case 38: x--; break; // up                case 40: x++; break; // down                case 37: y--; break; // left                case 39: y++; break; // right                default: return;            }        } else {            switch(e.keyCode) {                case 38: y--; break; // up                case 40: y++; break; // down                case 37: x--; break; // left                case 39: x++; break; // right                default: return;            }        }        var id = "field_" + y + "_" + x;        var nO = document.getElementById(id);        if (!nO) {            var id = "field_" + y + "_" + x + "_0";            var nO = document.getElementById(id);        }        if (nO) break;    }    if (!nO) return;    nO.focus();    if (nO.tagName != 'SELECT') {        nO.select();    }    e.returnValue = false;}