Keep the selected value after submit

Answer 1

If you have the jQuery Cookie Plugin, you can use it to store the value of the select into cookie every time a selection is made and whenever the form loads it would check if the cookie is set and use the value in the cookie.

$(function() {
    var timeCookie = $.cookie( "timeCookie" ),
        selElem = $('select[name=pickupdatehour]');
    selElem.on('change', function() {
        $.cookie( "timeCookie", this.value );
    });
    if( timeCookie != undefined ) {
        selElem.val( timeCookie );
    } else {
        $.cookie( "timeCookie", selElem.val() );
    }
});

HERE IS a working demo.