function orderBy(orderby) {
	catid = "";
	if(document.frmOrderBy.cat.value != "") {
		catid = "cat="+document.frmOrderBy.cat.value;
	} else {
		catid = "";	
	}
	if(orderby == 0) { //Lower price
		document.frmOrderBy.action = "auction.php?"+catid+"&ordb=L";
		document.frmOrderBy.submit();
	} else { //Higher price
		document.frmOrderBy.action = "auction.php?"+catid+"&ordb=H";
		document.frmOrderBy.submit();
	}
}