/**
* CPAINT - Cross-Platform Asynchronous INterface Toolkit
*
* http://sf.net/projects/cpaint
*
* released under the terms of the LGPL
* see http://www.fsf.org/licensing/licenses/lgpl.txt for details
*
* @package CPAINT
* @access public
* @copyright Copyright (c) 2005-2006 Paul Sullivan, Dominique Stender - http://sf.net/projects/cpaint
* @author Paul Sullivan <wiley14@gmail.com>
* @author Dominique Stender <dstender@st-webdevelopment.de>
* @author Stephan Tijink <stijink@googlemail.com>
* @version $Id: cpaint2.inc.compressed.js 326 2006-10-10 15:32:29Z wiley14 $
*/
function cpaint(){this.version='2.1.0';var config=new Array();config['debugging']=-1;config['proxy_url']='';config['transfer_mode']='GET';config['async']=true;config['response_type']='OBJECT';config['persistent_connection']=false;config['use_cpaint_api']=true;config['auth_user']=null;config['auth_pass']=null;var stack_count=0;this.capable=test_ajax_capability();this.set_debug=function(){if(typeof arguments[0]=='boolean'){if(arguments[0]===true){config['debugging']=1;}else{config['debugging']=0;}}else if(typeof arguments[0]=='number'){config['debugging']=Math.round(arguments[0]);}}
this.set_proxy_url=function(){if(typeof arguments[0]=='string'){config['proxy_url']=arguments[0];}}
this.set_transfer_mode=function(){if(arguments[0].toUpperCase()=='GET'||arguments[0].toUpperCase()=='POST'){config['transfer_mode']=arguments[0].toUpperCase();}}
this.set_async=function(){if(typeof arguments[0]=='boolean'){config['async']=arguments[0];}}
this.set_response_type=function(){if(arguments[0].toUpperCase()=='TEXT'||arguments[0].toUpperCase()=='XML'||arguments[0].toUpperCase()=='OBJECT'||arguments[0].toUpperCase()=='E4X'||arguments[0].toUpperCase()=='JSON'){config['response_type']=arguments[0].toUpperCase();}}
this.set_persistent_connection=function(){if(typeof arguments[0]=='boolean'){config['persistent_connection']=arguments[0];}}
this.set_use_cpaint_api=function(){if(typeof arguments[0]=='boolean'){config['use_cpaint_api']=arguments[0];}}
this.set_auth_user=function(){if(typeof arguments[0]=='string'){config['auth_user']=arguments[0];}}
this.set_auth_pass=function(){if(typeof arguments[0]=='string'){config['auth_pass']=arguments[0];}}
function test_ajax_capability(){var cpc=new cpaint_call(0,config,this.version);return cpc.test_ajax_capability();}
this.call=function(){var use_stack=-1;if(config['persistent_connection']==true&&__cpaint_stack[0]!=null){switch(__cpaint_stack[0].get_http_state()){case-1:use_stack=0;debug('no XMLHttpObject object to re-use for persistence, creating new one later',2);break;case 4:use_stack=0
debug('re-using the persistent connection',2);break;default:debug('the persistent connection is in use - skipping this request',2);}}else if(config['persistent_connection']==true){use_stack=0;__cpaint_stack[use_stack]=new cpaint_call(use_stack,config,this.version);debug('no cpaint_call object available for re-use, created new one',2);}else{use_stack=stack_count;__cpaint_stack[use_stack]=new cpaint_call(use_stack,config,this.version);debug('no cpaint_call object created new one',2);}
if(use_stack!=-1){__cpaint_stack[use_stack].set_client_callback(arguments[2]);if(config['proxy_url']!=''){__cpaint_stack[use_stack].call_proxy(arguments);}else{__cpaint_stack[use_stack].call_direct(arguments);}
stack_count++;debug('stack size: '+__cpaint_stack.length,2);}}
var debug=function(message,debug_level){var prefix='[CPAINT Debug] ';if(debug_level<1){prefix='[CPAINT Error] ';}
if(config['debugging']>=debug_level){alert(prefix+message);}}}
var __cpaint_stack=new Array();var __cpaint_transformer=new cpaint_transformer();function cpaint_call(){var version=arguments[2];var config=new Array();config['debugging']=arguments[1]['debugging'];config['proxy_url']=arguments[1]['proxy_url'];config['transfer_mode']=arguments[1]['transfer_mode'];config['async']=arguments[1]['async'];config['response_type']=arguments[1]['response_type'];config['persistent_connection']=arguments[1]['persistent_connection'];config['use_cpaint_api']=arguments[1]['use_cpaint_api'];config['auth_user']=arguments[1]['auth_user'];config['auth_pass']=arguments[1]['auth_pass'];var httpobj=false;var client_callback;var stack_id=arguments[0];this.set_client_callback=function(){if(typeof arguments[0]=='function'){client_callback=arguments[0];}}
this.get_http_state=function(){var return_value=-1;if(typeof httpobj=='object'){return_value=httpobj.readyState;}
return return_value;}
this.call_direct=function(call_arguments){var url=call_arguments[0];var remote_method=call_arguments[1];var querystring='';var i=0;if(url=='SELF'){url=document.location.href;}
if(config['use_cpaint_api']==true){for(i=3;i<call_arguments.length;i++){if((typeof call_arguments[i]=='string'&&call_arguments[i]!=''&&call_arguments[i].search(/^\s+$/g)==-1)&&!isNaN(call_arguments[i])&&isFinite(call_arguments[i])&&((call_arguments[i].toString().indexOf(0)!='0')&&(call_arguments[i].toString().indexOf(1)=='.'))){querystring+='&cpaint_argument[]='+encodeURIComponent(Number(call_arguments[i]));}else if(typeof call_arguments[i]=='object'){querystring+='&cpaint_argument[]='+encodeURIComponent(call_arguments[i].toJSONString());}else{querystring+='&cpaint_argument[]='+encodeURIComponent(call_arguments[i]);}}
querystring+='&cpaint_response_type='+config['response_type'];if(config['transfer_mode']=='GET'){if(url.indexOf('?')!=-1){url=url+'&cpaint_function='+remote_method+querystring;}else{url=url+'?cpaint_function='+remote_method+querystring;}}else{querystring='cpaint_function='+remote_method+querystring;}}else{for(i=3;i<call_arguments.length;i++){if(i==3){querystring+=encodeURIComponent(call_arguments[i]);}else{querystring+='&'+encodeURIComponent(call_arguments[i]);}}
if(config['transfer_mode']=='GET'){url=url+querystring;}}
get_connection_object();debug('opening connection to "'+url+'"',1);httpobj.open(config['transfer_mode'],url,config['async'],config['auth_user'],config['auth_pass']);if(config['transfer_mode']=='POST'){try{httpobj.setRequestHeader('Content-Type','application/x-www-form-urlencoded');}catch(cp_err){debug('POST cannot be completed due to incompatible browser. Use GET as your request method.',0);}}
httpobj.setRequestHeader('X-Powered-By','CPAINT v'+version+' :: http://sf.net/projects/cpaint');httpobj.onreadystatechange=callback;if(config['transfer_mode']=='GET'){httpobj.send(null);}else{debug('sending query: '+querystring,1);httpobj.send(querystring);}
if(config['async']==true){callback();}}
this.call_proxy=function(call_arguments){var proxyscript=config['proxy_url'];var url=call_arguments[0];var remote_method=call_arguments[1];var querystring='';var i=0;var querystring_argument_prefix='cpaint_argument[]=';if(config['use_cpaint_api']==false){querystring_argument_prefix='';}
for(i=3;i<call_arguments.length;i++){if(config['use_cpaint_api']==true){if((typeof call_arguments[i]=='string'&&call_arguments[i]!=''&&call_arguments[i].search(/^\s+$/g)==-1)&&!isNaN(call_arguments[i])&&isFinite(call_arguments[i])){querystring+=encodeURIComponent(querystring_argument_prefix+Number(call_arguments[i])+'&');}else if(typeof call_arguments[i]=='object'){querystring+=encodeURIComponent(querystring_argument_prefix+call_arguments[i].toJSONString()+'&');}else{querystring+=encodeURIComponent(querystring_argument_prefix+call_arguments[i]+'&');}}else{querystring+=encodeURIComponent(querystring_argument_prefix+call_arguments[i]+'&');}}
if(config['use_cpaint_api']==true){querystring+=encodeURIComponent('&cpaint_function='+remote_method);querystring+=encodeURIComponent('&cpaint_response_type='+config['response_type']);}
if(config['transfer_mode']=='GET'){proxyscript+='?cpaint_remote_url='+encodeURIComponent(url)
+'&cpaint_remote_query='+querystring
+'&cpaint_remote_method='+config['transfer_mode']
+'&cpaint_response_type='+config['response_type'];}else{querystring='cpaint_remote_url='+encodeURIComponent(url)
+'&cpaint_remote_query='+querystring
+'&cpaint_remote_method='+config['transfer_mode']
+'&cpaint_response_type='+config['response_type'];}
get_connection_object();debug('opening connection to proxy "'+proxyscript+'"',1);httpobj.open(config['transfer_mode'],proxyscript,config['async'],config['auth_user'],config['auth_pass']);if(config['transfer_mode']=='POST'){try{httpobj.setRequestHeader('Content-Type','application/x-www-form-urlencoded');}catch(cp_err){debug('POST cannot be completed due to incompatible browser. Use GET as your request method.',0);}}
httpobj.setRequestHeader('X-Powered-By','CPAINT v'+version);httpobj.onreadystatechange=callback;if(config['transfer_mode']=='GET'){httpobj.send(null);}else{debug('sending query: '+querystring,1);httpobj.send(querystring);}
if(config['async']==false){callback();}}
this.test_ajax_capability=function(){return get_connection_object();}
var get_connection_object=function(){var return_value=false;var new_connection=false;if(config['persistent_connection']==false){debug('Using new connection object',1);new_connection=true;}else{debug('Using shared connection object.',1);if(typeof httpobj!='object'){debug('Getting new persistent connection object.',1);new_connection=true;}}
if(new_connection==true){try{httpobj=new XMLHttpRequest();}catch(e1){try{httpobj=new ActiveXObject('Msxml2.XMLHTTP');}catch(e){try{httpobj=new ActiveXObject('Microsoft.XMLHTTP');}catch(oc){httpobj=null;}}}
if(!httpobj){debug('Could not create connection object',0);}else{return_value=true;}}
if(httpobj.readyState!=4){httpobj.abort();}
return return_value;}
var callback=function(){var response=null;if(httpobj.readyState==4&&httpobj.status==200){debug(httpobj.responseText,1);debug('using response type '+config['response_type'],2);switch(config['response_type']){case'XML':debug(httpobj.responseXML,2);response=__cpaint_transformer.xml_conversion(httpobj.responseXML);break;case'OBJECT':response=__cpaint_transformer.object_conversion(httpobj.responseXML);break;case'TEXT':response=__cpaint_transformer.text_conversion(httpobj.responseText);break;case'E4X':response=__cpaint_transformer.e4x_conversion(httpobj.responseText);break;case'JSON':response=__cpaint_transformer.json_conversion(httpobj.responseText);break;default:debug('invalid response type \''+response_type+'\'',0);}
if(response!=null&&typeof client_callback=='function'){client_callback(response,httpobj.responseText);}
remove_from_stack();}else if(httpobj.readyState==4&&httpobj.status==401){debug('HTTP authorization required or credentials were invalid',0);}else if(httpobj.readyState==4&&httpobj.status!=200){debug('invalid HTTP response code \''+Number(httpobj.status)+'\'',0);}}
var remove_from_stack=function(){if(typeof stack_id=='number'&&__cpaint_stack[stack_id]&&config['persistent_connection']==false){__cpaint_stack[stack_id]=null;}}
var debug=function(message,debug_level){var prefix='[CPAINT Debug] ';if(config['debugging']<1){prefix='[CPAINT Error] ';}
if(config['debugging']>=debug_level){alert(prefix+message);}}}
function cpaint_transformer(){this.object_conversion=function(xml_document){var return_value=new cpaint_result_object();var i=0;var firstNodeName='';if(typeof xml_document=='object'&&xml_document!=null){for(i=0;i<xml_document.childNodes.length;i++){if(xml_document.childNodes[i].nodeType==1){firstNodeName=xml_document.childNodes[i].nodeName;break;}}
var ajax_response=xml_document.getElementsByTagName(firstNodeName);return_value[firstNodeName]=new Array();for(i=0;i<ajax_response.length;i++){var tmp_node=create_object_structure(ajax_response[i]);for(attrib=0;attrib<ajax_response[i].attributes.length;attrib++){tmp_node.set_attribute(ajax_response[i].attributes[attrib].nodeName,ajax_response[i].attributes[attrib].nodeValue);}
tmp_node.id=ajax_response[i].getAttribute('id')
return_value[firstNodeName].push(tmp_node);}}else{debug('received invalid XML response',0);}
return return_value;}
this.xml_conversion=function(xml_document){return xml_document;}
this.text_conversion=function(text){return decode(text);}
this.e4x_conversion=function(text){text=text.replace(/^\<\?xml[^>]+\>/,'');return new XML(text);}
this.json_conversion=function(text){return text.parseJSON();}
var create_object_structure=function(stream){var return_value=new cpaint_result_object();var node_name='';var i=0;var attrib=0;if(stream.hasChildNodes()==true){var textNodeString='';for(i=0;i<stream.childNodes.length;i++){node_name=stream.childNodes[i].nodeName;node_name=node_name.replace(/[^a-zA-Z0-9_]*/g,'');if(typeof return_value[node_name]!='object'){return_value[node_name]=new Array();}
if(stream.childNodes[i].nodeType==1){var tmp_node=create_object_structure(stream.childNodes[i]);for(attrib=0;attrib<stream.childNodes[i].attributes.length;attrib++){tmp_node.set_attribute(stream.childNodes[i].attributes[attrib].nodeName,stream.childNodes[i].attributes[attrib].nodeValue);}
return_value[node_name].push(tmp_node);}else if(stream.childNodes[i].nodeType==3){textNodeString+=String(stream.childNodes[i].data);}}
if(textNodeString!=''){return_value.data+=decode(textNodeString);}}
return return_value;}
var decode=function(rawtext){var plaintext='';var i=0;var c1=0;var c2=0;var c3=0;var u=0;var t=0;while(i<rawtext.length){if(rawtext.charAt(i)=='\\'&&rawtext.charAt(i+1)=='u'){u=0;for(j=2;j<6;j+=1){t=parseInt(rawtext.charAt(i+j),16);if(!isFinite(t)){break;}
u=u*16+t;}
plaintext+=String.fromCharCode(u);i+=6;}else{plaintext+=rawtext.charAt(i);i++;}}
if(plaintext!=''&&plaintext.search(/^\s+$/g)==-1&&!isNaN(plaintext)&&isFinite(plaintext)){plaintext=Number(plaintext);}
return plaintext;}}
function cpaint_result_object(){this.id=0;this.data='';var __attributes=new Array();this.find_item_by_id=function(){var return_value=null;var type=arguments[0];var id=arguments[1];var i=0;if(this[type]){for(i=0;i<this[type].length;i++){if(this[type][i].get_attribute('id')==id){return_value=this[type][i];break;}}}
return return_value;}
this.get_attribute=function(){var return_value=null;var id=arguments[0];if(typeof __attributes[id]!='undefined'){return_value=__attributes[id];}
return return_value;}
this.set_attribute=function(){__attributes[arguments[0]]=arguments[1];}}
(function(){var m={'\b':'\\b','\t':'\\t','\n':'\\n','\f':'\\f','\r':'\\r','"':'\\"','\\':'\\\\'},s={array:function(x){var a=['['],b,f,i,l=x.length,v;for(i=0;i<l;i+=1){v=x[i];f=s[typeof v];if(f){v=f(v);if(typeof v=='string'){if(b){a[a.length]=',';}
a[a.length]=v;b=true;}}}
a[a.length]=']';return a.join('');},'boolean':function(x){return String(x);},'null':function(x){return"null";},number:function(x){return isFinite(x)?String(x):'null';},object:function(x){if(x){if(x instanceof Array){return s.array(x);}
var a=['{'],b,f,i,v;for(i in x){v=x[i];f=s[typeof v];if(f){v=f(v);if(typeof v=='string'){if(b){a[a.length]=',';}
a.push(s.string(i),':',v);b=true;}}}
a[a.length]='}';return a.join('');}
return'null';},string:function(x){if(/["\\\x00-\x1f]/.test(x)){x=x.replace(/([\x00-\x1f\\"])/g,function(a,b){var c=m[b];if(c){return c;}
c=b.charCodeAt();return'\\u00'+
Math.floor(c/16).toString(16)+
(c%16).toString(16);});}
return'"'+x+'"';}};Object.prototype.toJSONString=function(){return s.object(this);};Array.prototype.toJSONString=function(){return s.array(this);};})();String.prototype.parseJSON=function(){try{return(/^("(\\.|[^"\\\n\r])*?"|[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t])+?$/.test(this))&&eval('('+this+')');}catch(e){return false;}};