$(document).ready(function(){
	$("form#search-site input:text").blur(function(){
	    if ($(this).val() == '') {
	        $(this).css("background", "#ffffff url('images/txt_search_our_site.gif') no-repeat");
	    }
	}).focus(function(){
	    $(this).css("background", "#ffffff none repeat scroll 0 0");
	}).blur();
});