function submit_search_form() {
  var input = document.getElementById('search_input');
  location.href = "/list.html?keyword=" + encodeURI(input.value);
}


function submit_enter(e) {
    if( window.event && window.event.keyCode == 13){
        submit_search_form(); 
    } else if (e && e.keyCode == 13) {
        submit_search_form();
    }
}

$(document).ready(function() {  
    $('input[title]').each(function() {  
        if($(this).val() === '') {  
            $(this).val($(this).attr('title'));   
        }  
          
        $(this).focus(function() {  
            if($(this).val() == $(this).attr('title')) {  
                $(this).val('').addClass('focused');      
            }  
        });  
        $(this).blur(function() {  
            if($(this).val() === '') {  
                $(this).val($(this).attr('title')).removeClass('focused');    
            }  
        });  
    });  
});