function bupdate(act, pid){	//udates bag contents
	var f=document.getElementById('basket');
	f.baction.value=act;
	if(act=="remove"){
		var answer=confirm("Do you want remove this item?");
		if(answer){
			f.bpid.value=pid;
		}else{
			return false;
		}
	}
	f.submit();
	return false;
}