var szukaj=new Szukaj();

function Szukaj()
{
	this.zmiana=function(e,obj)
	{
		var keynum;
	
		if(window.event) // IE
		{
		  keynum = e.keyCode;
		}
		else if(e.which) // Netscape/Firefox/Opera
		{
		  keynum = e.which;
		}
		if(keynum==13) location.href='?includ=wyszukiwarka&szu='+obj.value;
	}
}