$(document).ready(function(){
$(".search").keyup(function() 
{
var searchbox = $(this).val();
var dataString = 'searchword='+ searchbox;
if(searchbox=='')
{
}
else
{
$.ajax({
type: "POST",
url: "tmp/suche.php",
data: dataString,
cache: false,
success: function(html)
{
$("#display").html(html).show();	
	}
});
}return false;    
});
});

jQuery(function($){
  $("#searchbox").Watermark("Suchbegriff...","#fe0000");
});