/* Call an AJAX call and replace the target element with the response data */
function ajaxReplaceContent(containerName, pageURL, params, waitIcon, outAnim, inAnim){       
    //force the atitude to be JSON
    if(isString(params)){
        if(params != ""){
            params = params + "&";
        }
        params = params + "attitude=json";
    }else{
        params.attitude="json";
    }
    if(containerName != undefined && containerName != ""){
        waitingOverlay(containerName);
    }
    //make the request
   
    new Ajax.Request(pageURL, {
        method:'post',
        parameters : params,
        onSuccess: function(transport){
            var response = transport.responseJSON || "";
            if(response == ""){      
                ajaxReplaceContentFailed(containerName, "No Data");
            }else if(response.error == 1){
                ajaxReplaceContentFailed(containerName, "Error");
            }else{
             //Success
             ajaxReplaceContentWithResponse(containerName, response);
                
            }
        },
        onFailure : function(){
            ajaxReplaceContentFailed(containerName, "Page Failure");
        }
    }
    );
    
    //hide the overlib items
    //nd();
}

/* Waiting overlay */
function waitingOverlay(containerName){
      var  c = $(containerName);
      if(c != undefined){
         if(containerName != ""){
            c.absolutize()
            c.relativize()
            d = c.getDimensions();
            //location
            //o = Element.cumulativeOffset(c)
            //create the cover div
            //node = Builder.node('div',{'id':'ajaxCover', 'class':'','style':'background:#000;position:absolute;top:0px;left:0px;width:'+d.width+'px;height:'+d.height+'px;z-index:900;opacity:.5;filter:alpha(opacity=50);'});
            //c.insert(node);
           
            Effect.Fade(c, { from: 1.0, to: 0.5, duration: .1 });
            c.insert(Builder.node('img',{'id':'ajaxGraphic', 'src':'/images/core/ajax-loader.gif', 'style':'z-index:901;position:absolute;left:'+(Math.round(d.width/2) - 30)+'px;top:'+(Math.round(d.height/2) - 20)+'px;'}))
    //        c.insert("<img src='/images/ajax-loader.gif' style='z-index:10;margin-left:auto;margin-right:auto;top:0px;'/>");
        }
    }
}

/* Hide waiting overlay */
function removeWaitingOverlay(containerName){
    ajaxImage = $('ajaxGraphic');
    if(ajaxImage != undefined){
        ajaxImage.remove();
    }
    c = $(containerName);
    if(c != undefined){
         Effect.Fade(c, { from: .5, to: 1, duration: .1 });
    }
}
/*
Element.addMethods(
{ajaxUpdate:function(element,url,options){
    element=$(element);
    element.update('<imgsrc="/images/core/ajax-loader.gif"alt="loading..."/>');
    newAjax.Updater(element,url,options);returnelement;
    }
}
);
$(element).ajaxUpdate('/new/content');
$(element).scrollTo();
*/

/* Replace other content on load */
function ajaxReplaceContentReload(containerName, pageURL, params, callbackURL, callbackParams){

}

function ajaxReplaceContentWithResponse(containerName, response){
    if(response.result != ""){
        Element.replace($(containerName), response.result);
    }else{
        alert("Incomplete data");
    }
}

function ajaxReplaceContentFailed(containerName, error){
   // alert("Fail:Unable to complete request" + " " + error);
   removeWaitingOverlay(containerName);
}

/* Serialize - Handles [] names*/
function customSerialize(formName){
    
}

/* Post a form via AJAX */
function ajaxPostForm(formName, containerName){
    //get the form
    f = $(formName);
    if(f == undefined){
        alert('invalid form');
        return;
    }
    //get the values
    params = f.serialize(true);
    var mode = 'ajax';
    for(key in params){
        var item=$(key);
        if(item != undefined){
            if(item.getAttribute("flag") == "html"){
                params[key] = FCKeditorAPI.GetInstance(key).GetHTML();
            }else if(item.type == "file"){
                mode = 'iframe';
            }
        } 
    }
    if(mode == 'ajax'){
        //get the port action
        action = f.readAttribute('action');
        //call it
        ajaxReplaceContent(containerName, action, params)
    }else{
        //fire up the AIM
        //add a hidden field
        f.appendChild(Builder.node('input',{ 'id':'iframe', 'name':'iframe', 'type':'hidden','value':'1'}));
        f.appendChild(Builder.node('input',{ 'id':'attitude', 'name':'attitude', 'type':'hidden','value':'iframe'}));
        AIM.submit(f, {'onStart' : iFramePostStart, 'onComplete' : iFramePostComplete, 'container' : containerName})
        //gray out the window
        waitingOverlay(containerName);   
        f.submit();     
    }
}

function iFramePostStart(){
    
    return true;
}

function iFramePostComplete(response, containerName){
  
    if(containerName != undefined && containerName != ""){
        var c = $(containerName);
        if(c != undefined){
            c.replace(response);
        }
    }
}
/* Utilities */
function isArray(obj) {
   if (obj.constructor.toString().indexOf("Array") == -1)
      return false;
   else
      return true;
}
function isObject(obj) {
   if (obj.constructor.toString().indexOf("Object") == -1 || obj == null)
      return false;
   else
      return true;
}
function isString(obj) {
   if (obj.constructor.toString().indexOf("String") == -1 || obj == null)
      return false;
   else
      return true;
}


/*
Written by Steve Tucker, 2006, http://www.stevetucker.co.uk
Full documentation can be found at http://www.stevetucker.co.uk/page-innerxhtml.php
Released under the Creative Commons Attribution-Share Alike 3.0  License, http://creativecommons.org/licenses/by-sa/3.0/

Change Log
----------
15/10/2006	v0.3	innerXHTML official release.
21/03/2007	v0.4	1. Third argument $appendage added (Steve Tucker & Stef Dawson, www.stefdawson.com)
			2. $source argument accepts string ID (Stef Dawson)
			3. IE6 'on' functions work (Stef Dawson & Steve Tucker)
*/
//document.write=function(e){innerXHTML(IDorElement,e,true);};
innerXHTML = function($source,$string,$appendage) {
	// (v0.4) Written 2006 by Steve Tucker, http://www.stevetucker.co.uk
	if (typeof($source) == 'string') $source = document.getElementById($source);
	if (!($source.nodeType == 1)) return false;
	var $children = $source.childNodes;
	var $xhtml = '';
	if (!$string) {
		for (var $i=0; $i<$children.length; $i++) {
			if ($children[$i].nodeType == 3) {
				var $text_content = $children[$i].nodeValue;
				$text_content = $text_content.replace(/</g,'&lt;');
				$text_content = $text_content.replace(/>/g,'&gt;');
				$xhtml += $text_content;
			}
			else if ($children[$i].nodeType == 8) {
				$xhtml += '<!--'+$children[$i].nodeValue+'-->';
			}
			else {
				$xhtml += '<'+$children[$i].nodeName.toLowerCase();
				var $attributes = $children[$i].attributes;
 				for (var $j=0; $j<$attributes.length; $j++) {
					var $attName = $attributes[$j].nodeName.toLowerCase();
					var $attValue = $attributes[$j].nodeValue;
					if ($attName == 'style' && $children[$i].style.cssText) {
						$xhtml += ' style="'+$children[$i].style.cssText.toLowerCase()+'"';
					}
					else if ($attValue && $attName != 'contenteditable') {
						$xhtml += ' '+$attName+'="'+$attValue+'"';
					}
				}
				$xhtml += '>'+innerXHTML($children[$i]);
				$xhtml += '</'+$children[$i].nodeName.toLowerCase()+'>';
			}
		}
	}
	else {
		if (!$appendage) {
			while ($children.length>0) {
				$source.removeChild($children[0]);
			}
			$appendage = false;
		}
		$xhtml = $string;
		while ($string) {
			var $returned = translateXHTML($string);
			var $elements = $returned[0];
			$string = $returned[1];
			if ($elements) {
				if (typeof($appendage) == 'string') $appendage = document.getElementById($appendage);
				if (!($appendage.nodeType == 1)) $source.appendChild($elements);
				else $source.insertBefore($elements,$appendage);
			}
		}
	}
	return $xhtml;
}
function translateXHTML($string) {
	var $match = /^<\/[a-z0-9]{1,}>/i.test($string);
	if ($match) {
		var $return = Array;
		$return[0] = false;
		$return[1] = $string.replace(/^<\/[a-z0-9]{1,}>/i,'');
		return $return;
	}
	$match = /^<[a-z]{1,}/i.test($string);
	if ($match) {
		$string = $string.replace(/^</,'');
		var $element = $string.match(/[a-z0-9]{1,}/i);
		if ($element) {
			var $new_element = document.createElement($element[0]);
			$string = $string.replace(/[a-z0-9]{1,}/i,'');
			var $attribute = true;
			while ($attribute) {
				$string = $string.replace(/^\s{1,}/,'');
				$attribute = $string.match(/^[a-z1-9_-]{1,}="[^"]{0,}"/i);
				if ($attribute) {
					$attribute = $attribute[0];
					$string = $string.replace(/^[a-z1-9_-]{1,}="[^"]{0,}"/i,'');
					var $attName = $attribute.match(/^[a-z1-9_-]{1,}/i);
					$attribute = $attribute.replace(/^[a-z1-9_-]{1,}="/i,'');
					$attribute = $attribute.replace(/;{0,1}"$/,'');
					if ($attribute) {
						var $attValue = $attribute;
						if ($attName == 'value') $new_element.value = $attValue;
						else if ($attName == 'class') $new_element.className = $attValue;
						else if ($attName == 'style') {
							var $style = $attValue.split(';');
							for (var $i=0; $i<$style.length; $i++) {
								var $this_style = $style[$i].split(':');
								$this_style[0] = $this_style[0].toLowerCase().replace(/(^\s{0,})|(\s{0,1}$)/,'');
								$this_style[1] = $this_style[1].toLowerCase().replace(/(^\s{0,})|(\s{0,1}$)/,'');
								if (/-{1,}/g.test($this_style[0])) {
									var $this_style_words = $this_style[0].split(/-/g);
									$this_style[0] = '';
									for (var $j=0; $j<$this_style_words.length; $j++) {
										if ($j==0) {
											$this_style[0] = $this_style_words[0];
											continue;
										}
										var $first_letter = $this_style_words[$j].toUpperCase().match(/^[a-z]{1,1}/i);
										$this_style[0] += $first_letter+$this_style_words[$j].replace(/^[a-z]{1,1}/,'');
									}
								}
								$new_element.style[$this_style[0]] = $this_style[1];
							}
						}
						else if (/^on/.test($attName)) $new_element[$attName] = function() { eval($attValue) };
						else $new_element.setAttribute($attName,$attValue);
					}
					else $attribute = true;
				}
			}
			$match = /^>/.test($string);
			if ($match) {
				$string = $string.replace(/^>/,'');
				var $child = true;
				while ($child) {
					var $returned = translateXHTML($string,false);
					$child = $returned[0];
					if ($child) $new_element.appendChild($child);
					$string = $returned[1];
				}
			}
			$string = $string.replace(/^\/>/,'');
		}
	}
	$match = /^[^<>]{1,}/i.test($string);
	if ($match && !$new_element) {
		var $text_content = $string.match(/^[^<>]{1,}/i)[0];
		$text_content = $text_content.replace(/&lt;/g,'<');
		$text_content = $text_content.replace(/&gt;/g,'>');
		var $new_element = document.createTextNode($text_content);
		$string = $string.replace(/^[^<>]{1,}/i,'');
	}
	$match = /^<!--[^<>]{1,}-->/i.test($string);
	if ($match && !$new_element) {
		if (document.createComment) {
			$string = $string.replace(/^<!--/i,'');
			var $text_content = $string.match(/^[^<>]{0,}-->{1,}/i);
			$text_content = $text_content[0].replace(/-->{1,1}$/,'');			
			var $new_element = document.createComment($text_content);
			$string = $string.replace(/^[^<>]{1,}-->/i,'');
		}
		else $string = $string.replace(/^<!--[^<>]{1,}-->/i,'');
	}
	var $return = Array;
	$return[0] = $new_element;
	$return[1] = $string;
	return $return;
}

/* Form uploads for files */
/**
*
*  AJAX IFRAME METHOD (AIM)
*  http://www.webtoolkit.info/
*
**/

AIM = {

    frame : function(c) {

        var n = 'f' + Math.floor(Math.random() * 99999);
        var d = document.createElement('DIV');
        d.innerHTML = '<iframe style="display:none" src="about:blank" id="'+n+'" name="'+n+'" onload="AIM.loaded(\''+n+'\')"></iframe>';
        document.body.appendChild(d);

        var i = document.getElementById(n);
        if (c && typeof(c.onComplete) == 'function') {
            i.onComplete = c.onComplete;
            i.container = c.container;
        }

        return n;
    },

    form : function(f, name) {
        f.setAttribute('target', name);
    },

    submit : function(f, c) {
        AIM.form(f, AIM.frame(c));
        if (c && typeof(c.onStart) == 'function') {
            return c.onStart();
        } else {
            return true;
        }
    },

    loaded : function(id) {
        var i = document.getElementById(id);
        if (i.contentDocument) {
            var d = i.contentDocument;
        } else if (i.contentWindow) {
            var d = i.contentWindow.document;
        } else {
            var d = window.frames[id].document;
        }
        if (d.location.href == "about:blank") {
            return;
        }

        if (typeof(i.onComplete) == 'function') {
            i.onComplete(d.body.innerHTML, i.container);
        }
    }

}