function onAddMembers() {
	hideAllForms();
	showElement("groupeditform");
	addMembers();
	return false;
}

function onShowAll() {
	updateNonMembers();
	return false;
}



/*
 * Adds the selected users to the selected group
 */
function addMembers() {
 	//alert("Called addMembers");
 	users = getMultipleSelect("nonmembers");
 	if (users != '') {
 		var url = "addmembers-xml.php";
    	var requeststring = "groupid="+selectedgroupid+"&users="+users;
    	sendPostRequest(request, url, requeststring, addMembersResponse);
    }
}

/**
 * The callback for the response to the request sent in addMembers() 
 */
function addMembersResponse() {
    if (checkAjaxResponse(request)) {
    	//alert("addMembersResponse called");
      	//alert(request.responseText);
      	// Need XML sent back with groupingid
      	// Really want to set this to be the grouping before
      	error = getFromXML(request.responseXML, 'error');
      	if (error != null) {
      		alert(error);	
      	}      	
      	updateSelectedGrouping();
      	hideElement("addmembersform");
    }
}


/**
 * Updates the list of non members of a group in the form for adding members to a group
 */
function updateNonMembers() {
	//alert("updateNonMembers called");
	var url="getnonmembers-xml.php";
	// showall indicates if we should show users already in groups in the grouping
	// we have to turn it into a variable that we can put in a post
	var showall = getCheckBoxValue('showall');;
	var requeststring = "groupid="+selectedgroupid
						+"&groupingid="+selectedgroupingid
						+"&showall="+showall;
				
    sendPostRequest(request, url, requeststring, updateNonMembersResponse);	
}

/**
 * The callback for the response to the request sent in updateNonMembers() 
 */
function updateNonMembersResponse() {
    if (checkAjaxResponse(request)) {
    	//alert("updateNonMembersResponse");
      	var xmlDoc = request.responseXML;
      	// alert(request.responseText);
      	error = getFromXML(request.responseXML, 'error');
      	if (error != null) {
      		alert(error);	
      	}
      	addOptionsFromXML("nonmembers", xmlDoc);
    }
}