var IE = (document.all) ? true : false;
var browser = navigator.appName;

var submenuCloseCue = new Array();
/*
function openSubmenu (mouseEvent, content, menuID) {
	cancelSubmenuCloseCue(menuID);

	if (!mouseEvent) var mouseEvent = window.event;
	if (!menuID)
		menuID = "submenu";

	var targetObject = (IE) ? mouseEvent.srcElement : mouseEvent.target;

	var coords = getPosition(targetObject);
	var xOffset = 0;
	var yOffset = 20;

// $("#error").html(coords.x + ", " + coords.y).fadeIn("slow"); return;
	$("body").append("<DIV class='submenu hidden' id='" + menuID + "'>" + content + "</DIV>");
	$("#" + menuID).attr("onMouseOver", "cancelSubmenuCloseCue()").attr("onMouseOut", "cueCloseSubmenu(event)").css("left", Number(coords.x+xOffset) + "px").css("top", Number(coords.y+yOffset) + "px");
	$("#" + menuID).fadeIn("slow");
}
*/

function openSubmenu (menuID) {
	cancelSubmenuCloseCue(menuID);
	$("#" + menuID).css("visibility", "visible");
}

function cancelSubmenuCloseCue (menuID) {
	if (!menuID)
		menuID = "submenu";

	if (submenuCloseCue)
		clearTimeout(submenuCloseCue[menuID]);
}

function cueCloseSubmenu (menuID) {
	if (!menuID)
		menuID = "submenu";

	submenuCloseCue[menuID] = setTimeout(function () { closeSubmenu(menuID); }, 100);
}

function closeSubmenu (menuID) {
	if (!menuID)
		menuID = "submenu";

	$("#" + menuID).css("visibility", "hidden");
}

function endsWith (str, suffix) {
  if (!str || !suffix || str.length < suffix.length)
    return false;

  var start = str.length-suffix.length;
  return (str.substring(start, start +suffix.length) == suffix);
}

function load (divName, page, params, initialization) {
  var contentDiv = getElement(divName);
  httpRequest = new HttpRequest(page, loadCallback);
  if (typeof(initialization) != "undefined")
    httpRequest.setParameter("initialization", initialization);
  httpRequest.setParameter("div", divName);
  contentDiv.innerHTML = "Loading...";
  // alert(params);
  httpRequest.post(params);
}

function defaultLoadContent (page, params, initialization) {
  var bookmark = getElement("_BOOKMARK_");
  if (bookmark)
    bookmarkPage(page, params, initialization);
  else load("content", page, params, initialization);
}

function loadBookmark (page, params, initialization) {
  // console.log("Loading " + page);
  if (page != "")
    load("content", page, params);
  if (initialization != "")
  invokeInitializer(initialization);
}

function loadBookmarkWindow (name, url, width, height, title, params, x, y, titlebar, screen) {
  var window = new InnerWindow(name, url, width, height, title, params, x, y, titlebar, screen);
  //if (screen)
  //  openScreen(name);

  window.open();
}

function bookmarkPage (page, params, initialization) {
  var bookmarkParams = "bookmark_page=" + page + "&" + params + "&initialization=" + initialization;
  // console.log(bookmark_url);
  setBookmark(bookmarkParams);
}

function bookmarkWindow (windowName, page, windowWidth, windowHeight, windowTitle, params, x, y, titlebar, screen) {
/*
  windowHeight = defaultValue(windowHeight, "");
  windowTitle = defaultValue(windowTitle, "");
  params = defaultValue(params, "");
  x = defaultValue(x, "");
  y = defaultValue(y, "");
  titlebar = defaultValue(titlebar, 1);
  screen = defaultValue("screen", 0);
*/

  var bookmarkParams = "bookmark_page=" + page + "&window_name=" + windowName + "&window_width=" + windowWidth + "&window_height=" + windowHeight + "&window_x=" + x + "&window_y=" + y + "&window_titlebar=" + titlebar + "&window_screen=" + screen + "&" + params;
// console.log(bookmarkParams);
  setBookmark(bookmarkParams);
}

function setBookmark (params) {
  var bookmark = getElement("_BOOKMARK_");
  var bookmarkURL = "bookmark.php?" + params;
  bookmark.src = bookmarkURL;
}

function loadCallback () {
  var divName = httpRequest.getParameter("div");
  if (!divName)
    divName = "content";

  var initializer = httpRequest.getParameter("initialization");
  var contentDiv = getElement(divName);

  var response = httpRequest.getResponse();
  contentDiv.innerHTML = response;
  invokeInitializer(initializer);
}

function invokeInitializer (initializer) {
  var initializerType = typeof(initializer);
  if (initializerType == "function") {
    initializer.call(this); // If we are able to pass a function...
  }
  else if (initializerType != "undefined") {
    setTimeout(initializer, 10); // If we must pass initialization as a string.
  }
}

function setStyle (element, style) {
  if (IE && browser != "Opera")
    element.style.setAttribute('cssText', style, 0);
  else element.setAttribute("style", style);
}

function defaultValue (variable, defaultValue) {
  if (typeof(variable) == "undefined")
    return defaultValue;
  else return variable;
}

function removeAllChildren (element) {
  while (element.childNodes.length >= 1) {
    element.removeChild(element.firstChild);       
  } 
}

function prettyNumber (numb) {
  numb = "" + numb;
  var decimalIndex = numb.indexOf(".");
  var decimal = "";
  if (decimalIndex > 0) {
    var wholeDecimal = numb.split(".");
    numb = wholeDecimal[0];
    decimal = wholeDecimal[1];
  }

  var length = numb.length;
  var formatted = "";
  if (length <= 3)
    return numb;

  while (length > 3) {
    var lastThree = numb.substring(length-3, length);

    if (formatted.length > 0)
      formatted = "," + formatted;
    formatted = lastThree + formatted;
    numb = numb.substring(0, length-3);
    length = numb.length;
  }
  if (formatted != "") 
    formatted = "," + formatted;
  formatted = numb + formatted;

  if (decimal != "") {
    if (decimal.length == 1)
      decimal = decimal + "0";
    decimal = "." + decimal;
  }
  formatted = formatted + decimal;
  return formatted;
}

function getEpochTime () {
  
}

function log (message) {
  while (message.length > 100) {
    var first = message.substring(0, 100);
    var next = message.substring(100, message.length);
    console.log(first);
    message = next;
  }
  console.log(message);
}

function trim (str) {
  return str.replace(/^\s+/g, '').replace(/\s+$/g, '');
}

function getOpacity (divName) {
  var styleObject = getStyleObject(divName);
  return styleObject.opacity;
}

function smoothChangeOpacity (divName, targetOpacity, time, resolution, callback) {
  if (!resolution) {
    if (time <= 1)
      resolution = 10;
    else resolution = 40;
  }

  var divStyle = getStyleObject(divName);
  var opacity = divStyle.opacity;
  var deltaOpacity = targetOpacity - opacity;
  var deltaOpacityIncr = deltaOpacity / ((time*1000)/resolution);
  var nextOpacity = Number(opacity) + Number(deltaOpacityIncr);
  smoothChangeOpacitySlave(divName, targetOpacity, nextOpacity, deltaOpacityIncr, resolution, callback);
}

function smoothChangeOpacitySlave (divName, targetOpacity, nextOpacity, deltaOpacity, timeout, callback) {
  if ((deltaOpacity > 0 && nextOpacity > targetOpacity) || (deltaOpacity < 0 && nextOpacity < targetOpacity)) {
    if (callback)
      setTimeout(callback, 10);
    return;
  }
  setOpacity(divName, nextOpacity);
  nextOpacity = Number(nextOpacity) + Number(deltaOpacity);
  setTimeout("smoothChangeOpacitySlave('" + divName + "', " + targetOpacity + ", " + nextOpacity + ", " + deltaOpacity + ", " + timeout + ", \"" + callback + "\")", timeout);
}

function setOpacity (objectID, opacity) {
  if (document.all){
    document.all(objectID).filters.alpha.opacity = opacity*100;
  } else if (!document.all && document.getElementById) {
    document.getElementById(objectID).style.MozOpacity = opacity;
  }
}

function smoothResize (divName, width, height, time, resolution, callback) {
  if (!resolution) {
    if (time <= 1)
      resolution = 10;
    else resolution = 40;
  }

  var divStyle = getStyleObject(divName);
  var currentWidth = stripTrailing(divStyle.width, 2);
  var currentHeight = stripTrailing(divStyle.height, 2);
  var deltaWidth = width - currentWidth;
  var deltaHeight = height - currentHeight;

  var deltaWidthIncr = deltaWidth / ((time*1000)/resolution);
  var deltaHeightIncr = deltaHeight / ((time*1000)/resolution);
  var nextWidth = Number(currentWidth) + Number(deltaWidthIncr);
  var nextHeight = Number(currentHeight) + Number(deltaHeightIncr);
  deltaWidthIncr = Math.ceil(deltaWidthIncr);
  deltaHeightIncr = Math.ceil(deltaHeightIncr);
  smoothResizeSlave(divName, width, height, nextWidth, nextHeight, deltaWidthIncr, deltaHeightIncr, resolution, callback);
}

function smoothResizeSlave (divName, width, height, nextWidth, nextHeight, deltaWidth, deltaHeight, timeout, callback) {
  if ((deltaWidth > 0 && nextWidth > width) || (deltaWidth < 0 && nextWidth < width) || (deltaHeight > 0 && nextHeight > height) || (deltaHeight < 0 && nextHeight < height)) {
    if (callback)
      setTimeout(callback, 10);
    return;
  }
  var divStyle = getStyleObject(divName);
  divStyle.width = nextWidth + "px";
  divStyle.height = nextHeight + "px";
  nextWidth = Number(nextWidth) + Number(deltaWidth);
  nextHeight = Number(nextHeight) + Number(deltaHeight);
  setTimeout("smoothResizeSlave('" + divName + "', " + width + ", " + height + ", " + nextWidth + ", " + nextHeight + ", " + deltaWidth + ", " + deltaHeight + ", " + timeout + ", \"" + callback + "\")", timeout);
}

function smoothMove (divName, x, y, time, resolution, callback) {
  if (!resolution) {
    if (time <= 1)
      resolution = 10;
    else resolution = 40;
  }

  var divStyle = getStyleObject(divName);
  var left = 0;
  var top = 0;
  if (divStyle.left != "")
    left = stripTrailing(divStyle.left, 2);
  if (divStyle.top != "")
    top = stripTrailing(divStyle.top, 2);
  var deltaX = x - left;
  var deltaY = y - top;
  var deltaXIncr = deltaX / ((time*1000)/resolution);
  var deltaYIncr = deltaY / ((time*1000)/resolution);
  deltaXIncr = Math.ceil(deltaXIncr);
  deltaYIncr = Math.ceil(deltaYIncr);
  var nextX = Number(left) + Number(deltaXIncr);
  var nextY = Number(top) + Number(deltaYIncr);
  smoothMoveSlave(divName, x, y, nextX, nextY, deltaXIncr, deltaYIncr, resolution, callback);
}

function smoothMoveSlave (divName, x, y, nextX, nextY, deltaX, deltaY, timeout, callback) {
  if ((deltaX > 0 && nextX > x) || (deltaX < 0 && nextX < x) || (deltaY > 0 && nextY > y) || (deltaY < 0 && nextY < y)) {
    if (callback)
      setTimeout(callback, 10);
    return;
  }
  var divStyle = getStyleObject(divName);
  divStyle.position = "absolute";
  divStyle.left = nextX + "px";
  divStyle.top = nextY + "px";
  nextX = Number(nextX) + Number(deltaX);
  nextY = Number(nextY) + Number(deltaY);
  
  setTimeout("smoothMoveSlave('" + divName + "', " + x + ", " + y + ", " + nextX + ", " + nextY + ", " + deltaX + ", " + deltaY + ", " + timeout + ", \"" + callback + "\")", timeout);
}

function getTime () {
  var now = new Date();
  var hours = now.getHours();
  var minutes = now.getMinutes();
  var seconds = now.getSeconds();
  hours = formatHours(hours);
  // add a zero in front of numbers < 10
  minutes = checkTime(minutes);
  seconds = checkTime(seconds);
  return { hours: hours, minutes: minutes, seconds: seconds };
}

function isValidEmail (email) {
  if (email == "")
    return false;

  var atIndex = email.indexOf("@");
  var dotIndex = email.lastIndexOf(".");
  if ((atIndex > 0) && (dotIndex > 0) && (dotIndex > atIndex))
    return true;
  else return false;
}

function formatHours (hours) {
  if (hours > 12)
    hours = hours - 12;
  return hours;
}

function checkTime (i) {
  if (i<10) 
    i = "0" + i;
  return i;
}

function getWindowWidth () {
  if (parseInt(navigator.appVersion)>3) {
    if (navigator.appName=="Netscape")
      return window.innerWidth;

    if (navigator.appName.indexOf("Microsoft")!=-1)
      return document.body.offsetWidth;
  }
}

function getWindowHeight () {
  if (parseInt(navigator.appVersion)>3) {
    if (navigator.appName=="Netscape")
      return window.innerHeight;
    if (navigator.appName.indexOf("Microsoft")!=-1)
      return document.body.offsetHeight;
  }
}

function getElement (name) {
  if (document.getElementById) {
    return document.getElementById(name);
  }
  else if (document.all) {
    return document.all[name];
  }
  else if (document.layers) {
    return document.layers[name];
  }
}

function setCookie(name, value, expires, path, domain, secure) {
  var cookie = name + "=" + escape(value) +
      ((expires) ? "; expires=" + expires.toGMTString() : "") +
      ((path) ? "; path=" + path : "") +
      ((domain) ? "; domain=" + domain : "") +
      ((secure) ? "; secure" : "");
  document.cookie = cookie;
}

function loadPage (url) {
  window.location = url;
}

function validDate (date) {
  return true;
}

function setPadding (divID, padding) {
  var style = getStyleObject(divID);
  if (document.layers)
    style.padding = padding
  else style.padding = padding + "px";
}

function setDimensions (divID, widthDim, heightDim) {
/*
  var div = getElement(divID);
  div.width = width;
  div.height = height;
*/
  var style = getStyleObject(divID);
  if (document.layers) {
    style.width = widthDim;
    style.height = heightDim;
  }
  else {
    style.width = widthDim + "px";
    //style.height = heightDim = "px";
  }
}

function absoluteMove (toMove, x, y) {
  var style = getStyleObject(toMove);
  style.position = "absolute";
  if (document.layers) {
    style.left = x;
    style.top = y;
  }
  else {
    style.left = x + "px";
    style.top = y + "px";
  }
}

function stripTrailing (toStrip, numStripped) {
  toStrip = toStrip.substring(0, toStrip.length - numStripped);
  return toStrip;
}

function deltaMove (toMove, deltaX, deltaY) {
  var style = getStyleObject(toMove);
  style.position = "relative";
  var left = stripTrailing(style.left, 2);
  var top = stripTrailing(style.top, 2); 
  left = parseInt(left) + deltaX;
  top = parseInt(top) + deltaY;

  if (document.layers) {
    style.left = left;
    style.top = top;
  }
  else {
    style.left = left + "px";
    style.top = top + "px";  
  }
  
}

function collapse (toCollapse) {
  var the_obj = document.getElementById(toCollapse);
  the_obj.innerHTML = "";
  var the_style = getStyleObject(toCollapse);
  the_style.width = 0;
  the_style.height = 0;
}

function getStyleObject (objectId) {
  if (document.all && document.all(objectId)) {
    // MSIE 4 DOM
    return document.all(objectId).style;
  }
  else if (document.layers && document.layers[objectId]) {
    // NN 4 DOM.. note: this won't find nested layers
    return document.layers[objectId];
  } 
  else return getElement(objectId).style;
}

function openCenteredWindow (url, width, height, toolbar, scrollbars, resizable) {
  var startX = screen.availWidth/2 - width/2;
  var startY = screen.availHeight/2 - height/2;
  var parameters = "left=" + startX + ",top=" + startY + ",width=" + width + ",height=" + height + ",toolbar=" + toolbar + ",location=1,scrollbars=" + scrollbars + ",resizable=" + resizable;
  // alert(parameters);
  window.open(url, "", parameters);
}

function getFormContents (form) {
  var value = "";
  var params = "";
  for (i=0; i<form.elements.length; i++) {
    if (!form.elements[i] || (form.elements[i].name.length > 3 && form.elements[i].name.substring(0, 3) == "mce") || form.elements[i].name == "button")
      continue;

    var name = form.elements[i].name;
    var strlen = name.length;
    var ending = form.elements[i].name.substring(strlen-2, strlen);
    if (ending == "[]") {
      name = form.elements[i].name.substring(0, strlen-2);
      var valueArray = form.elements[i].value;
      
      for (var j=0; j<form.elements[i].options.length; j++) {
        if (form.elements[i].options[j].selected)
          params += name + "_" + form.elements[i].options[j].value + "=1&";
      }
      continue;
    }

    switch (form.elements[i].type) {
       case 'button':
       case 'submit':
         continue;
       case 'textarea': {
         var textarea = document.getElementById(form.elements[i].name);
         value = textarea.value;
         break;
       }
       case 'checkbox':
         value = (form.elements[i].checked) ? "on" : 0;
         break;
       case 'text':
       case 'hidden':
       case 'password':
       case 'select':
       case 'select-one':
         value = form.elements[name].value;
         // value = form.elements[i].value;
         break;
       default:
//         alert(form.elements[i].type);
         break;
    }
    if (!value)
      value = "";

    params += form.elements[i].name + "=" + escape(value) + "&";
  }
  return params;
}

function ensureDouble (inputName) {
  var input = getElement(inputName);
  var value = input.value;
  
  if (value == "")
    value = "0.00";
}


function centeredSubWindow (content_url, name, params, width, height, opacity) {
  var windowHeight = window.innerHeight;
  var windowWidth = window.innerWidth;
  var x = windowWidth/2 - width/2;
  var y = windowHeight/2 - height/2;
  // alert("(" + x + ", " + y + ") " + windowWidth + " x " + windowHeight + " | " + width + " x " + height);
  subWindow(content_url, name, params, x, y, width, height, opacity);
}

function subWindow (content_url, name, params, x, y, width, height, opacity) {
  if (getElement(name))  // subWindow already open
    return;
  var div = document.createElement("DIV");
  div.setAttribute("name", name);
  div.setAttribute("id", name);
  div.setAttribute("class", "draggable");
  div.setAttribute("border", 1);
  div.style.border = "#000000 solid 1px;";
  div.style.backgroundColor = "#FFFFFF";
  div.style.zIndex = 9;
  // div.innerHTML = "<IMG src=\"images/indicator.gif\">Loading...";
  if (!opacity)
    opacity = "0.90";

  div.style.opacity = opacity;

  var body = document.body;
  body.appendChild(div);
  if (width && height) {
    //alert("Dimensioning to " + width + " x " + height);
    setDimensions(name, width, height);
  }
  if (x && y) {
    // alert("Moving " + name + " to " + x + ", " + y);
    absoluteMove(name, x, y);
  }
  httpRequest = new HttpRequest(content_url, subWindowContentLoaded);
  if (params)
    params += "&";
  params += "subwindow_name=" + name;
  httpRequest.post(params);
}

function subWindowContentLoaded () {
  var response = httpRequest.getResponse();
  // alert(response);
  var response_parts = response.split("|");
  var subWindowName = response_parts[0];
  var subWindowTitleName = subWindowName + "_title"
  var subWindow = getElement(subWindowName);
  var title = document.createElement("DIV");
  var content = document.createElement("DIV");
  var closeButton = document.createElement("IMG");
  
  title.setAttribute("id", subWindowTitleName);
  content.setAttribute("id", subWindowName + "_content");
  closeButton.setAttribute("id", subWindowName + "_close");
  closeButton.setAttribute("src", "images/close.jpg");
  closeButton.setAttribute("onClick", "closeSubWindow('" + subWindowName + "')");
  closeButton.setAttribute("align", "right");
  
  if (!subWindow)
    alert(subWindowName + " not found.");

  subWindow.appendChild(title);
  subWindow.appendChild(content);
  title.appendChild(closeButton);
  setPadding(subWindowName, 5);

  content.innerHTML = response_parts[1];
}

function closeSubWindow (name) {
  var subWindow = getElement(name);
  var body = document.body;
  // alert("Attempting to close " + name);
  body.removeChild(subWindow);
}

function createDivide (divName, width, height, x, y, content, clazz) {
  // var body = document.body;
  var divide = document.createElement("DIV");
  divide.setAttribute("id", divName);
  divide.setAttribute("class", clazz);
  // makeDraggable(divide);
  // body.appendChild(divide);
  height = defaultValue(height, "");

  var style = divide.style;
  // var style = getStyleObject(divName);

  style.position = "absolute";
  style.overflow = "hidden";
  style.left = x + "px";
  style.top = y + "px";
  style.width = width + "px";
  if (height != "")
    style.height = height + "px";

  style.border = "solid #000000 1px";
  style.zIndex = 900;

  divide.innerHTML = content;
  return divide;
}

function createCenteredDivide (divName, width, height, content, clazz) {
  var windowWidth = getWindowWidth();
  var windowHeight = getWindowHeight();

  var left = windowWidth/2 - Number(width)/2;
  var top = 110;
  if (height > 0 || height != "")
    top = windowHeight/2 - Number(height)/2;

  var divide = createDivide(divName, width, height, left, top, content, clazz);
  return divide;
}