$(document).ready(function(){
    var input = $('#nav_search_input');

    input.focus(function(){
        if(this.value=='Search livecasts'){
            this.value='';
        }
    });

    input.suggest(
    	"/suggest/", {
    	onSelect: function() {
            $('.form-search').closest('form')[0].submit();
    	}
    });

});