$(document).ready(function() {
    $(':text,:password').live('focus',function(event) {
        if (typeof event.target.original_value  == "undefined") {
            event.target.original_value = event.target.value;
        }
        if (event.target.value == event.target.original_value) {
            event.target.value = '';
        }
        $(event.target).css('color','#000')
    });
    $(':text,:password').live('blur',function(event) {
        if (event.target.value == '') {
            event.target.value = event.target.original_value;
            $(event.target).css('color','#999')
        }
    });
});