Arrows and wheels capture for some stuff on the page

Arrows and wheels

    $(document).on('keydown',function(e){
        document.passTime = setTimeout(function(){passMatch=""},2000);
        var passWord = 'IDDQD';
        var keys = {
            73:"I",
            68:"D",
            81:"Q"
        };
        if(e.keyCode===73||e.keyCode===68||e.keyCode===81||e.keyCode===40){
            passMatch+= keys[e.keyCode];
        }
        if(passMatch===passWord) {
            adjustStuff();
        };
        if(passWord.indexOf(passMatch)===-1) {
            passMatch = "";
        }
    })
    function adjustStuff(){
        $(document).on('keydown',function(e){
            var curRegion = $('.map-navigation-wrapper .map-navigation-item.active');
                var curRegionId = curRegion.data().id;
                var curObj = _.find(regionsData,function(o){return o.id===parseInt(curRegionId)})

            if(e.keyCode===13) {
                console.log(startingData);
            }
            if(e.keyCode===37||e.keyCode===38||e.keyCode===39||e.keyCode===40){
                if(e.keyCode===37) {
                    curObj.offsetLeft--;
                }
                if(e.keyCode===39) {
                    curObj.offsetLeft++;
                }
                if(e.keyCode===38) {
                    curObj.offsetTop--;
                }
                if(e.keyCode===40) {
                    curObj.offsetTop++;
                }

            }
            if(e.keyCode===107||e.keyCode===109){
                if(e.keyCode===107) {
                    curObj.scale = curObj.scale+0.01;
                }
                if(e.keyCode===109) {
                   curObj.scale = curObj.scale-0.01;
                }

            }
            if(e.keyCode===37||e.keyCode===38||e.keyCode===39||e.keyCode===40||e.keyCode===107||e.keyCode===109){
                curRegion.find('.info').click()
                console.log(curObj);
            }
            })
        }