// === Get/Hide/Show/Toggle ===

function ge()
{
  var ea;
  for( var i = 0; i < arguments.length; i++ ) {
    var e = arguments[i];
    if( typeof e == 'string' )
      e = document.getElementById(e);
    if( arguments.length == 1 )
      return e;
    if( !ea )
      ea = new Array();
    ea[ea.length] = e;
  }
  return ea;
}

function show()
{
  for( var i = 0; i < arguments.length; i++ ) {
    var element = ge(arguments[i]);
    if (element && element.style) element.style.display = '';
  }
  return false;
}

function hide()
{
  for( var i = 0; i < arguments.length; i++ ) {
    var element = ge(arguments[i]);
    if (element && element.style) element.style.display = 'none';
  }
  return false;
}

function shown(el) {
    el = ge(el);
    return (el.style.display != 'none');
}

function toggle()
{
  for( var i = 0; i < arguments.length; i++ ) {
    var element = ge(arguments[i]);
    element.style.display = (element.style.display == '') ? 'none' : '';
  }
  return false;
}

function remove_node(node)
{
  if (node.removeNode)
    node.removeNode(true);
  else {
    for (var i=node.childNodes.length-1; i>=0; i--)
      remove_node(node.childNodes[i]);
      node.parentNode.removeChild(node);
    }
  return null;
}

// === Event Info Access ===

function mouseX(event)
{
  return event.pageX || (event.clientX +
    (document.documentElement.scrollLeft || document.body.scrollLeft));
}

function mouseY(event)
{
  return event.pageY || (event.clientY +
    (document.documentElement.scrollTop || document.body.scrollTop));
}

function pageScrollX()
{
  return document.body.scrollLeft || document.documentElement.scrollLeft;
}

function pageScrollY()
{
  return document.body.scrollTop || document.documentElement.scrollTop;
}

function elementX(obj)
{
  var curleft = 0;
  if (obj.offsetParent) {
    while (obj.offsetParent) {
      curleft += obj.offsetLeft;
      obj = obj.offsetParent;
    }
  }
  else if (obj.x)
    curleft += obj.x;
  return curleft;
}

function elementY(obj)
{
  var curtop = 0;
  if(obj.offsetParent) {
    while (obj.offsetParent) {
      curtop += obj.offsetTop;
      obj = obj.offsetParent;
    }
  }
  else if (obj.y)
    curtop += obj.y;
  return curtop;
}

// === Onload Registry ===

function onloadRegister(handler) {
  if (window.onload) {
    var old=window.onload;
    window.onload=function() { old(); handler(); };
  }
  else {
    window.onload=handler;
  }
}

// === Placeholder Text ===

function placeholderSetup(id) {
  var el = ge(id);
  if(!el) return;
  /*if(el.type != 'text') return;*/
  
  var ph = el.getAttribute("placeholder");
  if( ph && ph != "" ) {
    el.value = ph;
    el.style.color = '#777';
    el.is_focused = 0;
    el.onfocus = placeholderFocus;
    el.onblur = placeholderBlur;
  }
}

function placeholderFocus() {
  if(!this.is_focused) {
    this.is_focused = 1;
    this.value = '';
    this.style.color = '#000';

    var rs = this.getAttribute("radioselect");
    if( rs && rs != "" ) {
      var re = document.getElementById(rs);
      if(!re) { return; }
      if(re.type != 'radio') return;

      re.checked=true;
    }
  }
}

function placeholderBlur() {
  var ph = this.getAttribute("placeholder")
  if( this.is_focused && ph && this.value == "" ) {
    this.is_focused = 0;
    this.value = ph;
    this.style.color = '#777';
  }
}

// === String Utilities ===

function htmlspecialchars(text) {
  return text ? text.toString().replace(/&/g, '&amp;').replace(/"/g, '&quot;').replace(/'/g, '&#039;').replace(/</g, '&lt;').replace(/>/g, '&gt;') : '';
}

function escape_js_quotes(text) {
  if (!text) {
    return;
  }

  return text.replace(/\\/g, '\\\\').replace(/\n/g, '\\n').replace(/\r/g, '\\r').replace(/"/g, '\\x22').replace(/'/g, '\\\'').replace(/</g, '\\x3c').replace(/>/g, '\\x3e').replace(/&/g, '\\x26');
}

function trim(str) {
  var delim = arguments.length > 1 ? arguments[1] : ' ';
  for (var i=0, c=str.length-delim.length; i<=c; i+=delim.length) {
    if (str.substring(i, i + delim.length) != delim) {
      break;
    }
  }

  for (var j=str.length, c=Math.max(i, delim.length - 1); j>c; j-=delim.length) {
    if (str.substring(j - delim.length, j) != delim) {
      break;
    }
  }

  return str.substring(i, j);
}

// === URI Handling ===

function escapeURI(u)
{
    if(encodeURIComponent) {
        return encodeURIComponent(u);
    }
    if(escape) {
        return escape(u);
    }
}

function goURI(href) {
  window.location.href = href;
}

function is_email(email) {
  return /^[\w!.%+]+@[\w]+(?:\.[\w]+)+$/.test(email);
}

//13th parallel
function getViewportWidth() {
  var width = 0;
  if( document.documentElement && document.documentElement.clientWidth ) {
    width = document.documentElement.clientWidth;
  }
  else if( document.body && document.body.clientWidth ) {
    width = document.body.clientWidth;
  }
  else if( window.innerWidth ) {
    width = window.innerWidth - 18;
  }
  return width;
};

function getViewportHeight() {
  var height = 0;
  if( document.documentElement && document.documentElement.clientHeight ) {
    height = document.documentElement.clientHeight;
  }
  else if( document.body && document.body.clientHeight ) {
    height = document.body.clientHeight;
  }
  else if( window.innerHeight ) {
    height = window.innerHeight - 18;
  }
  return height;
};

function getRadioFormValue(obj) {
  for(i = 0; i < obj.length; i++) {
   if(obj[i].checked) {
     return obj[i].value;
   } 
  }  
  return null;
}

// === Deprecated ===
// --- Delete checkAgree when user profile picture editing moves to picture widget

function checkAgree() {
  if (document.frm.pic.value) {
    if (document.frm.agree.checked) {
      document.frm.submit();
    } else {
      show("error");
    }
  }
}

function isIE() {
 return (navigator.userAgent.toLowerCase().indexOf("msie") != -1);
}   
    
function getTableRowShownDisplayProperty() {
  if (isIE()) {
    return  'inline';
  } else {
    return 'table-row';
  }
}
  
function showTableRow()
{ 
  for( var i = 0; i < arguments.length; i++ ) {
    var element = ge(arguments[i]);
    if (element && element.style) element.style.display =
        getTableRowShownDisplayProperty();
  }
  return false;
} 
  
function getParentRow(el) {
    el = ge(el);
    while (el.tagName && el.tagName != "TR") {
        el = el.parentNode;
    }
    return el;
} 

function stopPropagation(e) {
    if (!e) var e = window.event;
    e.cancelBubble = true;
    if (e.stopPropagation) {
        e.stopPropagation();
    }
}

function show_standard_status(status) {
  s = ge('standard_status');
  if (s) {
    var header = s.firstChild;
    header.innerHTML = status;
    show('standard_status');
  }
}

function hide_standard_status() {
  s = ge('standard_status');
  if (s) {
    hide('standard_status');
  }
}

function remove_node(node) {
  if (node.removeNode)
    node.removeNode(true);
  else {
    for (var i=node.childNodes.length-1; i>=0; i--)
      remove_node(node.childNodes[i]);
    node.parentNode.removeChild(node);
  }
  return null;
}

function adjustImage(obj, stop_word, max) {
  
  var pn=obj.parentNode;

  if (stop_word==null)
    stop_word='note_content';
  if (max==null) {
    while (pn.className.indexOf(stop_word)==-1)
      pn=pn.parentNode;
    if (pn.offsetWidth)
      max=pn.offsetWidth;
    else
      max=400;
  }

  obj.className=obj.className.replace('img_loading', 'img_ready');

  if (obj.width>max) {
    if (window.ActiveXObject) {
      try {
        var img_div=document.createElement('div');
        img_div.style.filter='progid:DXImageTransform.Microsoft.AlphaImageLoader(src="' + obj.src.replace('"', '%22') + '", sizingMethod="scale")';
        img_div.style.width=max+'px';
        img_div.style.height=((max/obj.width)*obj.height)+'px';
        if (obj.parentNode.tagName=='A')
          img_div.style.cursor='pointer';
        obj.parentNode.insertBefore(img_div, obj);
        obj.removeNode(true);
      }
      catch (e) {
        obj.style.width=max+'px';
      }
    }
    else
      obj.style.width=max+'px';
  }
}

function set_opacity(obj, opacity) {
  try {
    obj.style.opacity=(opacity==1?'':opacity);
    obj.style.filter=(opacity==1?'':'alpha(opacity='+opacity*100+')');
  }
  catch (e) {}
  obj.setAttribute('opacity', opacity); // for future reference
}

function get_opacity(obj) {
  return obj.opacity ? obj.opacity : 1;
}

function focus_login() {
  var email = ge("email");
  var pass = ge("pass");
  var dologin = ge("doquicklogin");
  if (email && pass) {
    if (email.value != "" && pass.value == "") {
      pass.focus();
    } else if (email.value == "") {
      email.focus();
    } else if (email.value != "" && pass.value != "") {
      dologin.focus();
    }
  }
}

function array_indexOf(arr, val, index) {
  if (!index) {
    index=0;
  }
  for (var i=index; i<arr.length; i++) {
    if (arr[i] == val) {
      return i;
    }
  }
  return -1;
}

//
// OOP implementation
function __super_class(obj) {
  this.__super=obj;
  this.__parent=obj.prototype.parent;
}
__super_class.prototype.__super_method=function(method, pointer) {
  var __pointer=pointer;
  this[method]=function() {
    var __parent=this.__context.parent;
    this.__context.__parents.push(__parent);
    this.__context.parent=__parent ? __parent.parent : null;
    var __ret=__pointer.apply(this.__context, arguments);
    this.__context.parent=__parent;
    this.__context.__parents.pop();
    __parent=null;
    return __ret;
  };
}
__super_class.prototype.__overridden_method=function(method, pointer) {
  var __pointer=pointer;
  return function() {
    if ((typeof this.__parents=='undefined') || !this.__parents.length) {
      return __pointer.apply(this, arguments);
    }
    else {
      var __parent=this.parent;
      this.parent=this.__parents[0];
      var __ret=__pointer.apply(this, arguments);
      this.parent=__parent;
      __parent=null;
      return __ret;
    }
  }
}
__super_class.prototype.construct=function(context) {
  this.__context=context;
  this.__context.__parents=[];
  if (typeof this.__context.__prototype.__overridden=='undefined') {
    this.__context.__prototype.__overridden=true;
    for (var i in this.__context.__prototype) {
      if ((typeof this.__context.__prototype[i]=='function') && this.__context.__prototype[i]!=this.__super.prototype[i]) {
        this.__context.__prototype[i]=this.__overridden_method(i, this.__context.__prototype[i]);
      }
    }
  }
  var a=new Array();
  for (var i=1; i<arguments.length; i++) {
    a.push(arguments[i]);
  }
  this.__context.parent=this.__parent;
  var __ret=this.__super.apply(context, a);
  this.__context.parent=this;
  return __ret;
}
Function.prototype.bind=function(context) {
  var __method=this;
  var __context=context;
  return function() {
    return __method.apply(context, arguments);
  }
}
Function.prototype.extend=function(obj) {
  this.prototype.parent=new __super_class(obj);
  this.prototype.__prototype=this.prototype;
  for (var i in obj.prototype) {
    if (typeof obj.prototype[i]=='function') {
      this.prototype[i]=obj.prototype[i];
      this.prototype.parent.__super_method(i, obj.prototype[i]);
    }
    else if (i!='parent') {
      this.prototype[i]=obj.prototype[i];
    }
  }
}

function dp(object)
{
  var descString = "";
  for(var value in object)
    descString += (value + " => " + object[value] + "\n");
  if( descString != "" )
    alert(descString);
  else
    alert(object);
}

function toggleInlineFlyer(toggler) {
    if (toggler.innerHTML == 'hide flyer') {
        toggler.innerHTML = 'show flyer';
    } else {
        toggler.innerHTML = 'hide flyer';
    }
    toggle('inline_flyer_content');
}


function adClick(id)
{
  ajax = new Ajax();
  ajax.get('ajax/redirect.php', {'id':id}, true);
  return true;
}