var inputjs=document.createElement('input'); inputjs.id="inputcode"; document.body.appendChild(inputjs); inputjs.style.width="100%"; inputjs.style.border="solid 1px gray"; inputjs.style.position="fixed"; inputjs.style.bottom="0px"; inputjs.style.left="0px"; inputjs.style.opacity="0.8"; inputjs.addEventListener('keydown',dKeydown,false); function dKeydown(evnt){ if((inputjs.value!="")&&(evnt.which=