var myGlobalHandlers = {
		onCreate: function() { showsystemworking(); },
		onComplete: function() { if(Ajax.activeRequestCount == 0) { hidesystemworking(); } },
		onException: function() { hidesystemworking(); }
	};
Ajax.Responders.register(myGlobalHandlers);


function submitsearch(which) {
	vgeneral.reset();
	vspecific.reset();
	if(which=='specific' & document.forms['specific'].townlist.value=="" & document.forms['specific'].townchoice.selectedIndex!=-1) {
		document.forms['specific'].townlist.value = document.forms['specific'].townchoice[document.forms['specific'].townchoice.selectedIndex].text
	}
	if (which=='general') {valid = vgeneral.validate()} else {valid = vspecific.validate()};
	if (valid==false) return;

	if(which=='search') if (document.forms['search'].freetext.value=='') { alert('Nothing to search for.  Please try again'); return;}

	var url = '/(SearchAJAX)?openagent'														// remember openagent is lowercase !!!!
	allNodes = "userunid=" + currentuserunid + "&";
	allNodes += "which=" + which + "&";
	x = Form.serialize(which);
	allNodes += (x != "") ? x + "&" : ""
	allNodes += "uniquetime=" + new Date().getTime()
     var myAjax = new Ajax.Request(url, {method: 'post', 	postBody: allNodes,		onComplete: submitajax_response });
}


function submitajax_response(req)	{
	try { var reqJSON = eval('(' + req.responseText + ')') } catch(x) {  alert("NOT A NORMAL RETURN - \n" + req.responseText) }
	if (reqJSON.returnCode == "Error") {
		alert(reqJSON.errorText)
	} else if (reqJSON.returnCode == "Not Found") {
		alert("The name you entered could not be found")
	} else if (reqJSON.returnCode == "OK") {
		// window.location.href = "/0/" + reqJSON.unid
		window.location.href = "/sr/0/" + reqJSON.unid	// sr refers to the search results DB
	} else {
		alert("Invalid Response - \n" + req.responseText)
	}
}


var prevcounty = null;

function showtowns(choice) {
	townchoice = document.forms['specific'].townchoice;
//	if (prevcounty==choice) return;
	prevcounty=choice;
	townchoice.options.length = 0;												// empty previous settings
	var db = regiondb[choice];
	townchoice.options[0] = new Option("- Whole of " + choice + " -", "", true, false);		// insert default first item
	if (choice != "" & choice != "- Whole of " + choice + " -" & db != "") {
		for (var i = 0; i < db.length; i++) {										// loop through array of the hash table entry, and populate options
			townchoice.options[i + 1] = new Option(db[i], db[i]);
		}
	}
	document.forms['specific'].townchoice.selectedIndex=0
}


function addtolist(town) {
	var specific = document.forms['specific'].townlist.value
	if(specific.indexOf(town + ", ")) document.forms['specific'].townlist.value += town + ", "
}


function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}


function showhide() {
  var i,p,v,obj,args=showhide.arguments;
  for (i=1; i<(args.length); i++) if ((obj=MM_findObj(args[i]))!=null) { v=args[0];
    if (obj.style) { obj=obj.style; v=(v=='show')?'':(v=='hide')?'none':v; }
    obj.display=v; }
}


function selectregion(which) {
	townchoice = document.forms['specific'].townchoice;
	townchoice.options.length = 0;
	$('general').style.display = (which=="uk") ? "" : "none"
	$('townlist').style.display = (which=="uk") ? "none" : ""
	showhide('hide','uk','ne','east','yorks','em','e','se','sw','wm','wales','nw','lon','Scotland')
	showhide('show',which)
}