function removeitem(obj,s,o,k)
{
	if(obj == 'searchstring') 	{
		self.location.href="/?s=&o="+o+"&k="+k;
	}
	if(obj == 'location') 	{
		self.location.href="/?o=&s="+s+"&k="+k;
	}
	if(obj == 'category') 	{
		self.location.href="/?s="+s+"&o="+o+"&k=";
	}
	
	return true;
}