var downStrokeField;
function autojump(fieldName,nextFieldName,fakeMaxLength)
{
    var myForm=document.forms[document.forms.length - 1];
    var myField=myForm.elements[fieldName];
    myField.nextField=myForm.elements[nextFieldName];

    if (myField.maxLength == null)
      myField.maxLength=fakeMaxLength;

    myField.onkeydown=autojump_keyDown;
    myField.onkeyup=autojump_keyUp;
}

function autojump_keyDown()
{
    this.beforeLength=this.value.length;
    downStrokeField=this;
}

function autojump_keyUp()
{
    if (
      (this == downStrokeField) &&
      (this.value.length > this.beforeLength) &&
      (this.value.length >= this.maxLength)
      )
    {
if (this.nextField.select) this.nextField.select();
      this.nextField.focus();
    }
    downStrokeField=null;
}<div class='small'>[이 게시물은 관리자님에 의해 2011-10-31 17:16:08 PHP & HTML에서 이동 됨]</div>