display none focus code example

Example 1: jquery disable input

//jQuery 1.6+ use:
$("#inputID").prop('disabled', true); //disable 
$("#inputID").prop('disabled', false); //enable

//jQuery 1.5 and below use:
$("#inputID").attr('disabled','disabled'); //disable 
$("#inputID").removeAttr('disabled'); //enable

Example 2: input outline focus

input:focus, textarea:focus {
    background-color: #FFFF66;
    border: 1px solid #F47E58;
}