function addEvent(elm, evType, fn, useCapture) {
	if (elm.addEventListener) { 
	elm.addEventListener(evType, fn, useCapture); 
	return true; 
	}
	else if (elm.attachEvent) { 
	var r = elm.attachEvent('on' + evType, fn); 
	EventCache.add(elm, evType, fn);
	return r; 
	}
	else {
	elm['on' + evType] = fn;
	}
}
function getEventSrc(e) {
	if (!e) e = window.event;

	if (e.originalTarget)
	return e.originalTarget;
	else if (e.srcElement)
	return e.srcElement;
}
function addLoadEvent(func) {
var oldonload = window.onload;
	if (typeof window.onload != 'function') {
	window.onload = func;
	} else {
	window.onload = 
		function() {
		oldonload();
		func();
		}
	}
}
var EventCache = function(){
	var listEvents = [];
	return {
		listEvents : listEvents,
	
		add : function(node, sEventName, fHandler, bCapture){
			listEvents.push(arguments);
		},
	
		flush : function(){
			var i, item;
			for(i = listEvents.length - 1; i >= 0; i = i - 1){
				item = listEvents[i];
				
				if(item[0].removeEventListener){
					item[0].removeEventListener(item[1], item[2], item[3]);
				};
				
				/* From this point on we need the event names to be prefixed with 'on" */
				if(item[1].substring(0, 2) != "on"){
					item[1] = "on" + item[1];
				};
				
				if(item[0].detachEvent){
					item[0].detachEvent(item[1], item[2]);
				};
				
				item[0][item[1]] = null;
			};
		}
	};
}();


addEvent(window,'unload',EventCache.flush, false);
/*

Cross-Browser XMLHttpRequest v1.2
=================================

Emulate Gecko 'XMLHttpRequest()' functionality in IE and Opera. Opera requires
the Sun Java Runtime Environment <http://www.java.com/>.

by Andrew Gregory
http://www.scss.com.au/family/andrew/webdesign/xmlhttprequest/

This work is licensed under the Creative Commons Attribution License. To view a
copy of this license, visit http://creativecommons.org/licenses/by/1.0/ or send
a letter to Creative Commons, 559 Nathan Abbott Way, Stanford, California 94305,
USA.

Not Supported in Opera
----------------------
* user/password authentication
* responseXML data member

Not Fully Supported in Opera
----------------------------
* async requests
* abort()
* getAllResponseHeaders(), getAllResponseHeader(header)

*/
// IE support
if (window.ActiveXObject && !window.XMLHttpRequest) {
  window.XMLHttpRequest = function() {
    var msxmls = new Array(
      'Msxml2.XMLHTTP.5.0',
      'Msxml2.XMLHTTP.4.0',
      'Msxml2.XMLHTTP.3.0',
      'Msxml2.XMLHTTP',
      'Microsoft.XMLHTTP');
    for (var i = 0; i < msxmls.length; i++) {
      try {
        return new ActiveXObject(msxmls[i]);
      } catch (e) {
      }
    }
    return null;
  };
}
// Gecko support
/* ;-) */
// Opera support
if (window.opera && !window.XMLHttpRequest) {
  window.XMLHttpRequest = function() {
    this.readyState = 0; // 0=uninitialized,1=loading,2=loaded,3=interactive,4=complete
    this.status = 0; // HTTP status codes
    this.statusText = '';
    this._headers = [];
    this._aborted = false;
    this._async = true;
    this._defaultCharset = 'ISO-8859-1';
    this._getCharset = function() {
      var charset = _defaultCharset;
      var contentType = this.getResponseHeader('Content-type').toUpperCase();
      val = contentType.indexOf('CHARSET=');
      if (val != -1) {
        charset = contentType.substring(val);
      }
      val = charset.indexOf(';');
      if (val != -1) {
        charset = charset.substring(0, val);
      }
      val = charset.indexOf(',');
      if (val != -1) {
        charset = charset.substring(0, val);
      }
      return charset;
    };
    this.abort = function() {
      this._aborted = true;
    };
    this.getAllResponseHeaders = function() {
      return this.getAllResponseHeader('*');
    };
    this.getAllResponseHeader = function(header) {
      var ret = '';
      for (var i = 0; i < this._headers.length; i++) {
        if (header == '*' || this._headers[i].h == header) {
          ret += this._headers[i].h + ': ' + this._headers[i].v + '\n';
        }
      }
      return ret;
    };
    this.getResponseHeader = function(header) {
      var ret = getAllResponseHeader(header);
      var i = ret.indexOf('\n');
      if (i != -1) {
        ret = ret.substring(0, i);
      }
      return ret;
    };
    this.setRequestHeader = function(header, value) {
      this._headers[this._headers.length] = {h:header, v:value};
    };
    this.open = function(method, url, async, user, password) {
      this.method = method;
      this.url = url;
      this._async = true;
      this._aborted = false;
      this._headers = [];
      if (arguments.length >= 3) {
        this._async = async;
      }
      if (arguments.length > 3) {
        opera.postError('XMLHttpRequest.open() - user/password not supported');
      }
      this.readyState = 1;
      if (this.onreadystatechange) {
        this.onreadystatechange();
      }
    };
    this.send = function(data) {
      if (!navigator.javaEnabled()) {
        alert("XMLHttpRequest.send() - Java must be installed and enabled.");
        return;
      }
      if (this._async) {
        setTimeout(this._sendasync, 0, this, data);
        // this is not really asynchronous and won't execute until the current
        // execution context ends
      } else {
        this._sendsync(data);
      }
    }
    this._sendasync = function(req, data) {
      if (!req._aborted) {
        req._sendsync(data);
      }
    };
    this._sendsync = function(data) {
      this.readyState = 2;
      if (this.onreadystatechange) {
        this.onreadystatechange();
      }
      // open connection
      var url = new java.net.URL(new java.net.URL(window.location.href), this.url);
      var conn = url.openConnection();
      for (var i = 0; i < this._headers.length; i++) {
        conn.setRequestProperty(this._headers[i].h, this._headers[i].v);
      }
      this._headers = [];
      if (this.method == 'POST') {
        // POST data
        conn.setDoOutput(true);
        var wr = new java.io.OutputStreamWriter(conn.getOutputStream(), this._getCharset());
        wr.write(data);
        wr.flush();
        wr.close();
      }
      // read response headers
      // NOTE: the getHeaderField() methods always return nulls for me :(
      var gotContentEncoding = false;
      var gotContentLength = false;
      var gotContentType = false;
      var gotDate = false;
      var gotExpiration = false;
      var gotLastModified = false;
      for (var i = 0; ; i++) {
        var hdrName = conn.getHeaderFieldKey(i);
        var hdrValue = conn.getHeaderField(i);
        if (hdrName == null && hdrValue == null) {
          break;
        }
        if (hdrName != null) {
          this._headers[this._headers.length] = {h:hdrName, v:hdrValue};
          switch (hdrName.toLowerCase()) {
            case 'content-encoding': gotContentEncoding = true; break;
            case 'content-length'  : gotContentLength   = true; break;
            case 'content-type'    : gotContentType     = true; break;
            case 'date'            : gotDate            = true; break;
            case 'expires'         : gotExpiration      = true; break;
            case 'last-modified'   : gotLastModified    = true; break;
          }
        }
      }
      // try to fill in any missing header information
      var val;
      val = conn.getContentEncoding();
      if (val != null && !gotContentEncoding) this._headers[this._headers.length] = {h:'Content-encoding', v:val};
      val = conn.getContentLength();
      if (val != -1 && !gotContentLength) this._headers[this._headers.length] = {h:'Content-length', v:val};
      val = conn.getContentType();
      if (val != null && !gotContentType) this._headers[this._headers.length] = {h:'Content-type', v:val};
      val = conn.getDate();
      if (val != 0 && !gotDate) this._headers[this._headers.length] = {h:'Date', v:(new Date(val)).toUTCString()};
      val = conn.getExpiration();
      if (val != 0 && !gotExpiration) this._headers[this._headers.length] = {h:'Expires', v:(new Date(val)).toUTCString()};
      val = conn.getLastModified();
      if (val != 0 && !gotLastModified) this._headers[this._headers.length] = {h:'Last-modified', v:(new Date(val)).toUTCString()};
      // read response data
      var reqdata = '';
      var stream = conn.getInputStream();
      java.lang.System.err.println(stream);
      if (stream) {
        var reader = new java.io.BufferedReader(new java.io.InputStreamReader(stream, this._getCharset()));
        var line;
        while ((line = reader.readLine()) != null) {
          if (this.readyState == 2) {
            this.readyState = 3;
            if (this.onreadystatechange) {
              this.onreadystatechange();
            }
          }
          reqdata += line + '\n';
        }
        reader.close();
        this.status = 200;
        this.statusText = 'OK';
        this.responseText = reqdata;
        this.readyState = 4;
        if (this.onreadystatechange) {
          this.onreadystatechange();
        }
        if (this.onload) {
          this.onload();
        }
      } else {
        // error
        this.status = 404;
        this.statusText = 'Not Found';
        this.responseText = '';
        this.readyState = 4;
        if (this.onreadystatechange) {
          this.onreadystatechange();
        }
        if (this.onerror) {
          this.onerror();
        }
      }
    };
  };
}
// ActiveXObject emulation
if (!window.ActiveXObject && window.XMLHttpRequest) {
  window.ActiveXObject = function(type) {
    switch (type.toLowerCase()) {
      case 'microsoft.xmlhttp':
      case 'msxml2.xmlhttp':
      case 'msxml2.xmlhttp.3.0':
      case 'msxml2.xmlhttp.4.0':
      case 'msxml2.xmlhttp.5.0':
        return new XMLHttpRequest();
    }
    return null;
  };
}
// <script language="JavaScript" type="text/javascript">
var swTipFriendAjax = {
  version : 'v1.0',
  copyright : 'Steinhaug AS',
  AjaxTipFriendLauchButtonInit : function () {
    el = document.getElementById('AjaxTipFriendLauchButton');
    if(el){
      el.href = 'javascript:swTipFriendAjax.init();';
      el.removeAttribute('target');
    }
  },
  ajaxTipFriendFormInit : function () {
    var el = document.getElementById('tipfriend-form');
    if(el){
      addEvent(el, 'submit', swTipFriendAjax.ajaxTipFriendValidate, false);
      el.onsubmit = function() { return false; }
    }
  },
  init : function () {
    this.applyStyleString(document.getElementById('tipfriend-greeting'),'display: none;')
    this.applyStyleString(document.getElementById('tipfriend-form-container'),'display: block;')

    this.applyStyleString(document.getElementById('tipfriend-comfirm'),'display: none;')
    this.applyStyleString(document.getElementById('tipfriend-loading'),'display: none;')

//    document.getElementById('tipsvennimage').src = '/gfx/tips-en-venn-on.gif';
  },
  fallback : function () {
    // We have a problem, so we post it manually
    var fromname = document.getElementById('tv-sender').value;
    var fromemail = document.getElementById('tv-senderepost').value;
    var toname = document.getElementById('tv-mottaker').value;
    var toemail = document.getElementById('tv-mottakerepost').value;
    var message = document.getElementById('tv-kommentar').value;
    var query = 'fromname=' + fromname + '&fromemail=' + fromemail + '&toname=' + toname + '&toemail=' + toemail + '&message=' + message;
    location.replace('lib.tipsenvenn.php?' + query);
  },

  ajaxTipFriendValidate : function () {
    swTipFriendAjax.applyStyleString(document.getElementById('tipfriend-form-container'),'display: none;')
    swTipFriendAjax.applyStyleString(document.getElementById('tipfriend-loading'),'display: block;')
    setTimeout("swTipFriendAjax.ajaxTipFriendValidate2()",500);  // IE hangs while waiting for data, so we delay the ajax so that
                                                                 // progressbar is activated.
  },
  ajaxTipFriendValidate2 : function () {
    var currentTime = new Date();
    var fromname = document.getElementById('tv-sender').value;
    var fromemail = document.getElementById('tv-senderepost').value;
    var toname = document.getElementById('tv-mottaker').value;
    var toemail = document.getElementById('tv-mottakerepost').value;
    var message = document.getElementById('tv-kommentar').value;

    var query = 'fromname=' + fromname + '&fromemail=' + fromemail + '&toname=' + toname + '&toemail=' + toemail + '&message=' + message;
    // Activate failsafe error message incase we don't get response
    sw_AjaxTipFriendRequest = setTimeout("swTipFriendAjax.fallback()",12000);
    document.getElementById('tipfriend-ajax-reponse').innerHTML = '';
    var req = new XMLHttpRequest();
    if (req) {
      req.onreadystatechange = function() {
        if (req.readyState == 4 && req.status == 200) {
          clearTimeout(sw_AjaxTipFriendRequest);
          // We create the HTML, so we can access it
          document.getElementById('tipfriend-ajax-reponse').innerHTML = '&nbps;' + req.responseText;
          var responsetext = document.getElementById('tipfriend-ajax-reponse');

          var isMSIE = navigator.appName == "Microsoft Internet Explorer";
          if(!isMSIE){
            try{
              var RTstatus =  responsetext.getElementsByTagName('status')[0].firstChild.data;
              var RTmessage =  responsetext.getElementsByTagName('message')[0].firstChild.data;
            }catch(error){
              var RTstatus = 'unknown error';
              var RTmessage = 'En uventet feil har oppstått, sjekk konfigurasjon av Tips en Venn script';
            }
          } else {
            try{
              var RTstatus =  responsetext.getElementsByTagName('status')[0].nextSibling.nodeValue;
              var RTmessage =  responsetext.getElementsByTagName('message')[0].nextSibling.nodeValue;
            }catch(error){
              var RTstatus = 'unknown error';
              var RTmessage = 'En uventet feil har oppstått, sjekk konfigurasjon av Tips en Venn script';
            }
          }
// kim@steinhaug.com
          if(RTstatus=='ok'){
            swTipFriendAjax.ajaxTipFriendResetForm();
            document.getElementById('tipfriend-comfirm').innerHTML = RTmessage;
            swTipFriendAjax.applyStyleString(document.getElementById('tipfriend-loading'),'display: none;')
            swTipFriendAjax.applyStyleString(document.getElementById('tipfriend-comfirm'),'display: block;')
          } else if(RTstatus=='validation-error'){
            swTipFriendAjax.applyStyleString(document.getElementById('tipfriend-loading'),'display: none;')
            swTipFriendAjax.applyStyleString(document.getElementById('tipfriend-comfirm'),'display: none;')
            swTipFriendAjax.applyStyleString(document.getElementById('tipfriend-form-container'),'display: block;')
            alert('Feil med mottatte data : ' + "\n" + RTmessage);
          } else {
            swTipFriendAjax.applyStyleString(document.getElementById('tipfriend-loading'),'display: none;')
            swTipFriendAjax.applyStyleString(document.getElementById('tipfriend-comfirm'),'display: none;')
            swTipFriendAjax.applyStyleString(document.getElementById('tipfriend-form-container'),'display: block;')
            alert(RTmessage);
          }
        };
      };
      req.open('GET', 'lib.tipsenvenn.ajax.php' + '?' + query + '&' + currentTime.getDay() + currentTime.getHours() + currentTime.getMinutes() + currentTime.getSeconds());
      req.send(null);
    }
    return false;
  },
  ajaxTipFriendResetForm : function (){
    var fieldArea = document.getElementById('tipfriend-form');
    var inputs = fieldArea.getElementsByTagName('input');
    var inputsLen = inputs.length;
    var tAreas = fieldArea.getElementsByTagName('textarea');
    var tAreasLen = tAreas.length;
    for ( i=0;i<inputsLen;i++ ) {
      if ( inputs[i].getAttribute('type') == 'text' ) {
        inputs[i].value = '';
      }
    }
    for ( j=0;j<tAreasLen;j++ ) {
      tAreas[j].value = '';
    }
  },
  applyStyleString : function (obj,str) {
    if(document.all && !window.opera) {
      obj.style.setAttribute("cssText",str);
    } else {
      obj.setAttribute("style",str);
    }
  }
};
addEvent(window, 'load',swTipFriendAjax.ajaxTipFriendFormInit, false);
addEvent(window, 'load',swTipFriendAjax.AjaxTipFriendLauchButtonInit, false);