$(document).ready(function() {
	var searchbox=$('#search-input');
	var searchtxt="przyklad: Microsoft Office 2011";

	searchbox.focus(function(){
		if($(this).attr("value") == searchtxt) $(this).attr("value", "");
	});
	searchbox.blur(function(){
		if($(this).attr("value") == "") $(this).attr("value", searchtxt);
	});
});