// Functions called from the metadata viewer

			var getGNServiceURL = function(service) {
			  return Env.locService+"/"+service;
			};

// for processing categories and privileges buttons

			function setAll(id)
			{
				var list = $(id).getElementsByTagName('input');
			
				for (var i=0; i < list.length; i++)
					list[i].checked = true;
			}

			function clearAll(id)
			{
				var list = $(id).getElementsByTagName('input');
			
				for (var i=0; i < list.length; i++)
					list[i].checked = false;
			}

			function checkBoxModalUpdate(div,service,modalbox,title)
      {
        var boxes = $(div).getElementsBySelector('input[type="checkbox"]');
				var pars = "&id="+$('metadataid').value;
				boxes.each( function(s) {
					if (s.checked) {
						pars += "&"+s.name+"=on";
					}
				});

				if (modalbox != null && modalbox) {
					service = getGNServiceURL(service) + '?' + pars;
					Modalbox.show(service,{title: title, width: 600} );
				} else {
					var myAjax = new Ajax.Request(
						getGNServiceURL(service),
						{
							method: 'get',
							parameters: pars,
							onSuccess: function() {},
							onFailure: function(req) {
								alert(translate("error") + service + " / status "+req.status+" text: "+req.statusText+" - " + translate("tryAgain"));
							}
						}
					);
					window.Modalbox.hide();
				}
      }

// check create metadata button 

			function checkCreate(service,id) {
				descs = $('groups').getValue();
				if (descs.length == 0) {
					alert(translate("userAtLeastOneGroup"));
					return false;
				}
				return true;
			}

// processing delete button

			function doConfirmDelete(url, message, title, id, boxTitle)
			{
				if(confirm(message + " (" + title + ")"))
				{
					var divToHide;
					if (opener) divToHide = opener.$(id);
					else divToHide = $(id);
					if (divToHide) {
						divToHide.hide();
					}
					Modalbox.show(url,{title: boxTitle, width: 600, afterHide: function() {
                        if ($("simple_search_pnl").visible()) {
                            runSimpleSearch();

                        } else if ($("advanced_search_pnl").visible()) {
                            runAdvancedSearch();

                        } else {
                            location.replace(getGNServiceURL('main.home'));
                        }

                        runRssSearch();
                    }});
					return true;
				}
				return false;
			}
		
			function doOtherButton(url, title, width)
			{
				Modalbox.show(url,{title: title, width: width, height: 400});
				return true;
			}
			
			function doAction(action)
			{
				document.mainForm.action = action;
				goSubmit('mainForm');
			}
			
			function doTabAction(action, tab)
			{
				document.mainForm.currTab.value = tab;
				doAction(action);
			}

// stub to stop errors in metadata-show.xsl - real function is in 
// metadata-editor.js
			function setBunload(on) 
			{
			}

			function runFileDownload(href,title) {
				if (href.include("resources.get")) { // do the file download direct
					location.replace(getGNServiceURL(href));
				} else { // show some dialog beforehand eg. constraints
					Modalbox.show(getGNServiceURL(href),{title:title, height:400, width:600});
				}
			}

			function runFileDownloadSummary(uuid, title) {
				pars = "&uuid="+uuid;
				var myAjax = new Ajax.Request(
					getGNServiceURL('prepare.file.download'),
					{
						method: 'get',
						parameters: pars,
						onSuccess: function(req) {
							Modalbox.show(req.responseText ,{title: title, height:400, width: 600} );
						},
						onFailure: function(req) {
							alert(translate("error") + " "+getGNServiceURL('prepare.file.download')+" failed: status "+req.status+" text: "+req.statusText+" - " + translate("tryAgain"));
						}
					}
				);
			}
			
			function massiveUpdateChildren(service, title, width) {
				var url = getGNServiceURL(service);
				Modalbox.show(url,{title: title, width: width});
			}
				
			function updateChildren(div, url, onFailureMsg) {
				
				var pars = "&id="+$('id').value+"&parentUuid="+$('parentUuid').value+
				"&schema="+$('schema').value+"&childrenIds="+$('childrenIds').value;
				
				// handle checkbox values
				var boxes = $(div).getElementsBySelector('input[type="checkbox"]');
				boxes.each( function(s) {
					if (s.checked) {
						pars += "&"+s.name+"=true";
					}
				});
				
				// handle radio value
				var radios = $(div).getElementsBySelector('input[type="radio"]');
				radios.each ( function(radio) {
				    if(radio.checked) {
				        pars += "&"+radio.name+"="+radio.value;
				    }
				});
				
				Ext.Ajax.request ({
					url: Env.locService + "/" + url,
					method: 'GET',
					params: pars,
					success: function(result, request) {
						var xmlNode = result.responseXML;
						if (xmlNode.childNodes.length != 0 &&
								xmlNode.childNodes[0].localName == "response"){
							var response = xmlNode.childNodes[0].childNodes[0].nodeValue;
							alert(response);
							window.Modalbox.hide();
						} else 
							alert(onFailureMsg);
					},
					failure: function (result, request) { 
						alert(onFailureMsg)
					}
				});
			}