function checkEnter(e){
	var characterCode

	if (e && e.which ) {
		e = e
		characterCode = e.which 
	} else {
		e = event
		characterCode = e.keyCode
	}

	if ( characterCode == 13 ) { 
		document.forms[0].submit()
		return false 
	} else {
		return true 
	}
}

function submitsort ( order, current ) {
	var sortform = document.forms['sortform'];
	var sortorderfield = sortform.elements['sortorder'] ;
	if ( current == order ) {
		sortorderfield.value = -order;
	} else {
		sortorderfield.value = order;
	}
	sortform.submit() ;
}