function lookup(search_box) {
if(search_box.length == 0) {
// Hide the suggestion box.
$('#suggestions').hide();
} else {
// post data to our php processing page and if there is a return greater than zero
// show the suggestions box
$.post("includes/autosuggest.php", {mysearchString: ""+search_box+""}, function(data){
if(data.length >0) {
$('#suggestions').show();
$('#autoSuggestionsList').html(data);
}
});
}
} //end

// if user clicks a suggestion, fill the text box.
function fill(thisValue) {
$('#search_box').val(thisValue);
setTimeout("$('#suggestions').hide();", 200);
$('#search_box').focus();
}