function categorychoice() {
	if (	document.searchform.farm.checked==true		||
			document.searchform.csa.checked==true		||
			document.searchform.upick.checked==true		||
			document.searchform.tailgate.checked==true	||
			document.searchform.bed.checked==true		||
			document.searchform.caterers.checked==true	||
			document.searchform.grocers.checked==true	||
			document.searchform.restaurant.checked==true	||
			document.searchform.business.checked==true	||
			document.searchform.institution.checked==true ) {
		document.searchform.any.checked=false;
	}	
}