/*
 * Rollover Images
 */
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

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 MM_swapImage() { //v3.0
	alert('test');
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

/*
 * Populate all possible watermark fields.
 */
function watermark() {
	$j("#mbr_uname").Watermark("username", "#999");
	$j("#mbr_pwd").Watermark("password", "#999");
}

function showNfoBox(func) {
	UpdateNfoBox(null, func);
	Effect.BlindDown('nfoBox', { duration: 1.0 });
	Effect.Appear('nfoBox_cnt', { duration: 0.7 });
}

function closeNfoBox() {
	Effect.BlindUp('nfoBox', { duration: 1.0 });
	Effect.Fade('nfoBox_cnt', { duration: 0.7 });
}

/*function UpdateNfoBox(id, func) {
	if (id == null) {
		id = 'nfoBox_cnt';
	}

	var xmlHttp = new Ajax.Request('/lib/nfo.inc.php', 
	{	method: "post",
		parameters: '?func=' + func,
		onComplete: function(request) {
			//alert(request.responseText);
			$(id).innerHTML = request.responseText;
			watermark();
			if (func == "cnt+") {
				populateParentOptions('evo_page', 'nfo_parent');
			}
		}
	});
}*/

function UpdateNfoBox(id, func) {
	if (id == null) {
		id = 'nfoBox_cnt';
	}

	var xmlHttp = new Ajax.Updater(
		{success: id}, 
		'/lib/nfo.inc.php', 
		{
			method: 'post', 
			parameters: '?func=' + func,
			evalScripts: true
	});

	var xmlHttp = new Ajax.Request('/lib/nfo.inc.php', 
	{	method: "post",
		parameters: '?func=' + func
	});
}

function getParentByClass(obj, classname) {
	//parent = obj.parentNode;
	if (obj.className == classname) {
		return obj;
	} else {
		//alert(obj.className);
		return getParentByClass(obj.parentNode, classname);
	}
}

function getParentByID(obj, id, regex) {
	if (regex == true) {
		if (obj.id.search(id) > '-1') {
			//alert("MATCH :=" + obj.id);
			return obj;
		} else {
			return getParentByID(obj.parentNode, id, true);
		}
	} else {
		//parent = obj.parentNode;
		if (obj.id == id) {
			return obj;
		} else {
			return getParentByID(obj.parentNode, id);
		}
	}
}

function submitForm(valid, frm) {
	if (valid) {
		//var frm = getParentForm(btn);
		if (frm.nodeName == "FORM") {
			frm.request({
				onComplete: function(request) {
					//alert(request.responseText);
					if (request.responseText == "0") {
						alert('reCaptcha Error.');
					} else if (request.responseText == "-1") {
						alert('Username or Email already exists. Please try another.');
					} else if (request.responseText != "") {
						var div = getParentDiv(frm);
						div.innerHTML = request.responseText;
					}
				}
			});
			showLoader(div, 'white');
		}
	}
}

/*
 * Recursive Function to search for first parent form.
 */
function getParentForm(elm) {
	if (elm.parentNode.nodeName == "FORM") {
		return elm.parentNode;
	} else {
		return getParentForm(elm.parentNode);
	}
}

/*
 * Recursive Function to search for first parent form.
 */
function getParentDiv(elm) {
	if (elm.parentNode.nodeName == "DIV") {
		return elm.parentNode;
	} else {
		return getParentForm(elm.parentNode);
	}
}

function showLoader(id, col) {
	switch (col) {
		case 'white':
			$(id).innerHTML = '<img src="/contribute/images/ajax-loader-white.gif" width="32" height="32" alt="loading..." />';
			break;
		case 'black':
		default:
			$(id).innerHTML = '<img src="/contribute/images/ajax-loader-black.gif" width="32" height="32" alt="loading..." />';
			break;
	}
}