// JavaScript Document



function Browser() {

  var ua, s, i;

  this.isIE    = false;  // Internet Explorer
  this.isOP    = false;  // Opera
  this.isNS    = false;  // Netscape
  this.version = null;

  ua = navigator.userAgent;

  s = "Opera";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isOP = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }

  s = "Netscape6/";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }

  // Treat any other "Gecko" browser as Netscape 6.1.

  s = "Gecko";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = 6.1;
    return;
  }

  s = "MSIE";
  if ((i = ua.indexOf(s))) {
    this.isIE = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }
}

var browser = new Browser();

//----------------------------------------------------------------------------
// Code for handling the menu bar and active button.
//----------------------------------------------------------------------------

var activeButton = null;

// Capture mouse clicks on the page so any active button can be
// deactivated.

if (browser.isIE)
  document.onmousedown = pageMousedown;
else
  document.addEventListener("mousedown", pageMousedown, true);

function pageMousedown(event) {

  var el;

  // If there is no active button, exit.

  if (activeButton == null)
    return;

  // Find the element that was clicked on.

  if (browser.isIE)
    el = window.event.srcElement;
  else
    el = (event.target.tagName ? event.target : event.target.parentNode);

  // If the active button was clicked on, exit.

  if (el == activeButton)
    return;

  // If the element is not part of a menu, reset and clear the active
  // button.

  if (getContainerWith(el, "DIV", "menu") == null) {
    resetButton(activeButton);
    activeButton = null;
  }
}

function buttonClick(event, menuId) {

  var button;

  // Get the target button element.

  if (browser.isIE)
    button = window.event.srcElement;
  else
    button = event.currentTarget;

  // Blur focus from the link to remove that annoying outline.

  button.blur();

  // Associate the named menu to this button if not already done.
  // Additionally, initialize menu display.

  if (button.menu == null) {
    button.menu = document.getElementById(menuId);
    if (button.menu.isInitialized == null)
      menuInit(button.menu);
  }

  // Reset the currently active button, if any.

  if (activeButton != null)
    resetButton(activeButton);

  // Activate this button, unless it was the currently active one.

  if (button != activeButton) {
    depressButton(button);
    activeButton = button;
  }
  else
    activeButton = null;

  return false;
}

function buttonMouseover(event, menuId) {

  var button;

  // Find the target button element.

  if (browser.isIE)
    button = window.event.srcElement;
  else
    button = event.currentTarget;

  // If any other button menu is active, make this one active instead.

  if (activeButton != null && activeButton != button)
    buttonClick(event, menuId);
}

function depressButton(button) {

  var x, y;

  // Update the button's style class to make it look like it's
  // depressed.

  button.className += " menuButtonActive";

  // Position the associated drop down menu under the button and
  // show it.

  x = getPageOffsetLeft(button);
  y = getPageOffsetTop(button) + button.offsetHeight;

  // For IE, adjust position.

  if (browser.isIE) {
    x += button.offsetParent.clientLeft;
    y += button.offsetParent.clientTop;
  }

  button.menu.style.left = x + "px";
  button.menu.style.top  = y + "px";
  button.menu.style.visibility = "visible";

  // For IE; size, position and show the menu's IFRAME as well.

  if (button.menu.iframeEl != null)
  {
    button.menu.iframeEl.style.left = button.menu.style.left;
    button.menu.iframeEl.style.top  = button.menu.style.top;
    button.menu.iframeEl.style.width  = button.menu.offsetWidth + "px";
    button.menu.iframeEl.style.height = button.menu.offsetHeight + "px";
    button.menu.iframeEl.style.display = "";
  }
}

function resetButton(button) {

  // Restore the button's style class.

  removeClassName(button, "menuButtonActive");

  // Hide the button's menu, first closing any sub menus.

  if (button.menu != null) {
    closeSubMenu(button.menu);
    button.menu.style.visibility = "hidden";

    // For IE, hide menu's IFRAME as well.

    if (button.menu.iframeEl != null)
      button.menu.iframeEl.style.display = "none";
  }
}

//----------------------------------------------------------------------------
// Code to handle the menus and sub menus.
//----------------------------------------------------------------------------

function menuMouseover(event) {

  var menu;

  // Find the target menu element.

  if (browser.isIE)
    menu = getContainerWith(window.event.srcElement, "DIV", "menu");
  else
    menu = event.currentTarget;

  // Close any active sub menu.

  if (menu.activeItem != null)
    closeSubMenu(menu);
}

function menuItemMouseover(event, menuId) {

  var item, menu, x, y;

  // Find the target item element and its parent menu element.

  if (browser.isIE)
    item = getContainerWith(window.event.srcElement, "A", "menuItem");
  else
    item = event.currentTarget;
  menu = getContainerWith(item, "DIV", "menu");

  // Close any active sub menu and mark this one as active.

  if (menu.activeItem != null)
    closeSubMenu(menu);
  menu.activeItem = item;

  // Highlight the item element.

  item.className += " menuItemHighlight";

  // Initialize the sub menu, if not already done.

  if (item.subMenu == null) {
    item.subMenu = document.getElementById(menuId);
    if (item.subMenu.isInitialized == null)
      menuInit(item.subMenu);
  }

  // Get position for submenu based on the menu item.

  x = getPageOffsetLeft(item) + item.offsetWidth;
  y = getPageOffsetTop(item);

  // Adjust position to fit in view.

  var maxX, maxY;

  if (browser.isIE) {
    maxX = Math.max(document.documentElement.scrollLeft, document.body.scrollLeft) +
      (document.documentElement.clientWidth != 0 ? document.documentElement.clientWidth : document.body.clientWidth);
    maxY = Math.max(document.documentElement.scrollTop, document.body.scrollTop) +
      (document.documentElement.clientHeight != 0 ? document.documentElement.clientHeight : document.body.clientHeight);
  }
  if (browser.isOP) {
    maxX = document.documentElement.scrollLeft + window.innerWidth;
    maxY = document.documentElement.scrollTop  + window.innerHeight;
  }
  if (browser.isNS) {
    maxX = window.scrollX + window.innerWidth;
    maxY = window.scrollY + window.innerHeight;
  }
  maxX -= item.subMenu.offsetWidth;
  maxY -= item.subMenu.offsetHeight;

  if (x > maxX)
    x = Math.max(0, x - item.offsetWidth - item.subMenu.offsetWidth
      + (menu.offsetWidth - item.offsetWidth));
  y = Math.max(0, Math.min(y, maxY));

  // Position and show it.

  item.subMenu.style.left       = x + "px";
  item.subMenu.style.top        = y + "px";
  item.subMenu.style.visibility = "visible";

  // For IE; size, position and show the menu's IFRAME as well.

  if (item.subMenu.iframeEl != null)
  {
    item.subMenu.iframeEl.style.left    = item.subMenu.style.left;
    item.subMenu.iframeEl.style.top     = item.subMenu.style.top;
    item.subMenu.iframeEl.style.width   = item.subMenu.offsetWidth + "px";
    item.subMenu.iframeEl.style.height  = item.subMenu.offsetHeight + "px";
    item.subMenu.iframeEl.style.display = "";
  }

  // Stop the event from bubbling.

  if (browser.isIE)
    window.event.cancelBubble = true;
  else
    event.stopPropagation();
}

function closeSubMenu(menu) {

  if (menu == null || menu.activeItem == null)
    return;

  // Recursively close any sub menus.

  if (menu.activeItem.subMenu != null) {
    closeSubMenu(menu.activeItem.subMenu);


    // Hide the sub menu.
    menu.activeItem.subMenu.style.visibility = "hidden";

    // For IE, hide the sub menu's IFRAME as well.

    if (menu.activeItem.subMenu.iframeEl != null)
      menu.activeItem.subMenu.iframeEl.style.display = "none";

    menu.activeItem.subMenu = null;
  }

  // Deactivate the active menu item.

  removeClassName(menu.activeItem, "menuItemHighlight");
  menu.activeItem = null;
}

//----------------------------------------------------------------------------
// Code to initialize menus.
//----------------------------------------------------------------------------

function menuInit(menu) {

  var itemList, spanList;
  var textEl, arrowEl;
  var itemWidth;
  var w, dw;
  var i, j;

  // For IE, replace arrow characters.

  if (browser.isIE) {
    menu.style.lineHeight = "2.5ex";
    spanList = menu.getElementsByTagName("SPAN");
    for (i = 0; i < spanList.length; i++)
      if (hasClassName(spanList[i], "menuItemArrow")) {
        spanList[i].style.fontFamily = "Webdings";
        spanList[i].firstChild.nodeValue = "4";
      }
  }

  // Find the width of a menu item.

  itemList = menu.getElementsByTagName("A");
  if (itemList.length > 0)
    itemWidth = itemList[0].offsetWidth;
  else
    return;

  // For items with arrows, add padding to item text to make the
  // arrows flush right.

  for (i = 0; i < itemList.length; i++) {
    spanList = itemList[i].getElementsByTagName("SPAN");
    textEl  = null;
    arrowEl = null;
    for (j = 0; j < spanList.length; j++) {
      if (hasClassName(spanList[j], "menuItemText"))
        textEl = spanList[j];
      if (hasClassName(spanList[j], "menuItemArrow")) {
        arrowEl = spanList[j];
      }
    }
    if (textEl != null && arrowEl != null) {
      textEl.style.paddingRight = (itemWidth 
        - (textEl.offsetWidth + arrowEl.offsetWidth)) + "px";

      // For Opera, remove the negative right margin to fix a display bug.

      if (browser.isOP)
        arrowEl.style.marginRight = "0px";
    }
  }

  // Fix IE hover problem by setting an explicit width on first item of
  // the menu.

  if (browser.isIE) {
    w = itemList[0].offsetWidth;
    itemList[0].style.width = w + "px";
    dw = itemList[0].offsetWidth - w;
    w -= dw;
    itemList[0].style.width = w + "px";
  }

  // Fix the IE display problem (SELECT elements and other windowed controls
  // overlaying the menu) by adding an IFRAME under the menu.

  if (browser.isIE) {
    var iframeEl = document.createElement("IFRAME");
    iframeEl.frameBorder = 0;
    iframeEl.src = "javascript:;";
    iframeEl.style.display = "none";
    iframeEl.style.position = "absolute";
    iframeEl.style.filter = "progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=0)";
    menu.iframeEl = menu.parentNode.insertBefore(iframeEl, menu);
  }

  // Mark menu as initialized.

  menu.isInitialized = true;
}

//----------------------------------------------------------------------------
// General utility functions.
//----------------------------------------------------------------------------

function getContainerWith(node, tagName, className) {

  // Starting with the given node, find the nearest containing element
  // with the specified tag name and style class.

  while (node != null) {
    if (node.tagName != null && node.tagName == tagName &&
        hasClassName(node, className))
      return node;
    node = node.parentNode;
  }

  return node;
}

function hasClassName(el, name) {

  var i, list;

  // Return true if the given element currently has the given class
  // name.

  list = el.className.split(" ");
  for (i = 0; i < list.length; i++)
    if (list[i] == name)
      return true;

  return false;
}

function removeClassName(el, name) {

  var i, curList, newList;

  if (el.className == null)
    return;

  // Remove the given class name from the element's className property.

  newList = new Array();
  curList = el.className.split(" ");
  for (i = 0; i < curList.length; i++)
    if (curList[i] != name)
      newList.push(curList[i]);
  el.className = newList.join(" ");
}

function getPageOffsetLeft(el) {

  var x;

  // Return the x coordinate of an element relative to the page.

  x = el.offsetLeft;
  if (el.offsetParent != null)
    x += getPageOffsetLeft(el.offsetParent);

  return x;
}

function getPageOffsetTop(el) {

  var y;

  // Return the x coordinate of an element relative to the page.

  y = el.offsetTop;
  if (el.offsetParent != null)
    y += getPageOffsetTop(el.offsetParent);

  return y;
}



function sleep(milliseconds) {
  var start = new Date().getTime();
  for (var i = 0; i < 1e7; i++) {
    if ((new Date().getTime() - start) > milliseconds){
      break;
    }
  }
}

function closeNow()
{
	document.getElementById('ajaxDiv').style.display = 'none';
	document.getElementById('TB_overlay').style.display = 'none';
}

function checkBookingForm()
{
	alert(document.all.getElementById('adminBookingTnC').value);
}

function toggle_div(theDiv)
{
	divB = document.getElementById(theDiv + '_div');
	if((divB.style.display == 'inline')||(divB.style.display == 'block')||(divB.style.display == ''))
	{
		divB.style.display = 'none';
	}
	else
	{
		divB.style.display = 'inline';
	}
}

function toggle_alt(course_id)
{
	divA = document.getElementById('courseDates' + course_id);
	divB = document.getElementById('courseLink' + course_id);
	if(divA.style.display == 'inline')
	{
		divA.style.display = 'none';
		divB.style.display = 'inline';
	}
	else
	{
		divA.style.display = 'inline';
		divB.style.display = 'none';
	}
}

function validate_prefix(email)
{
	return /^([a-zA-Z0-9_\.\-])+$/.test(email);
}

function validate_suffix(email)
{
	return /^(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/.test(email);
}

function validate_prefixsuffix()
{
	if(validate_prefix(document.form1.organisation_prefix.value) == false)
	{
		alert("The email Prefix you entered is invalid");
	}
	else if(validate_suffix(document.form1.organisation_suffix.value) == false)
	{
		alert("The email Suffix you entered is invalid");
	}
	else
	{
		document.form1.submit();
	}
}

var dispVal = true;
function blink()
{
	if (dispVal)
	{
		dispVal=false;
		document.getElementById("Span1").style.visibility="visible";
	}
	else
	{
		dispVal=true;
		document.getElementById("Span1").style.visibility="hidden";
	}
}

//	Display submit in AJAX Booking Process
function ajax_how_hear(index)
{
	subBut = document.getElementById("ajaxBookingSubmit");
	divEmail = document.getElementById("divdropdownEmail");
	divOther = document.getElementById("divdropdownOther");
	if(index == 1)
	{
		divEmail.style.display = 'inline';
	}
	else
	{
		divEmail.style.display = 'none';
	}
	if(index == 12)
	{
		divOther.style.display = 'inline';
	}
	else
	{
		divOther.style.display = 'none';
	}
	if(index != 0)
	{
		subBut.disabled = false;
	}
	else
	{
		subBut.disabled = true;
	}
}

function fileUploadSubmit()
{
	document.getElementById('file_form').style.display = 'none';
	document.getElementById('loading_animation').style.display = 'inline';
	document.form1.submit();
}

function delVenue(venueId)
{
	if (confirm("Are you sure you want to delete"))
	{
		document.location = "venues.php?action=remove&venue_id=" + venueId;
	}
}

function checkBillAmounts()
{
	var total = 0;
	for(a = 1; a <= 10; a++)
	{
		amount = (document.form1['amount' + a].value) * 1;
		total += amount;
	}
	if(total > document.form1.total.value)
	{
		alert('The amount entered across the course dates is greater than the total amount of the bill / expense. Please correct.');
	}
	else
	{
		document.form1.submit();
	}
}

function checkMailingEmail()
{
	var x = document.getElementById('email').value;
	var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (filter.test(x))
	{
		return true;
	}
	else
	{
		return false;
	}
}


function checkMailingContact()
{
	if((document.getElementById('email').value != '')&&(checkMailingEmail() == false))
	{
		alert('The email address entered is not valid');
		return false;
	}
	else if(document.getElementById('contact_first_name').value == '')
	{
		alert('Enter the full name of the contact');
		return false;
	}
	else if(document.getElementById('contact_last_name').value == '')
	{
		alert('Enter the full name of the contact');
		return false;
	}
	else if(document.getElementById('contact_job_title').value == '')
	{
		alert('Enter a job title for the contact');
		return false;
	}
	else if(document.getElementById('specialty').options[document.getElementById('specialty').selectedIndex].value == "Please Choose...")
	{
		alert('Please choose a Specialty');
		return false;
	}
	else if(document.getElementById('contact_id').options[document.getElementById('contact_id').selectedIndex].value == "Please Choose...")
	{
		alert('Please choose a Job Role. It\'s important to get it right!');
		return false;
	}
	else
	{
		return true;
	}
}



/*	ADMIN HOMEPAGE AJAX DIV	*/

function ajaxIndexLoad(url) {
  if (window.XMLHttpRequest) {
    req = new XMLHttpRequest();
  } else if (window.ActiveXObject) {
    req = new ActiveXObject("Microsoft.XMLHTTP");
  }
  if (req != undefined) {
    req.onreadystatechange = function() { ajaxIndexDone(url);};
    req.open("GET", url, true);
    req.send("");
  }
}  

function ajaxIndexDone(url) {
  if (req.readyState == 4) { // only if req is "loaded"
    if (req.status == 200) { // only if "OK"
      document.getElementById('ajaxIndexDiv').innerHTML = req.responseText;
    } else {
      document.getElementById('ajaxIndexDiv').innerHTML = 'Ajax Load Error';
    }
  }
}

/*	ADMIN CALENDAR AJAX DIV	*/
function ajaxCalendarLoad(url) {
  url += '&function=Calendar';
  if (window.XMLHttpRequest) {
    req2 = new XMLHttpRequest();
  } else if (window.ActiveXObject) {
    req2 = new ActiveXObject("Microsoft.XMLHTTP");
  }
  if (req2 != undefined) {
    req2.onreadystatechange = function() { ajaxCalendarDone(url);};
    req2.open("GET", url, true);
    req2.send("");
  }
}  

function ajaxCalendarDone(url) {
	if(req2.readyState == 4) { // only if req is "loaded"
    if (req2.status == 200) { // only if "OK"
      document.getElementById('ajaxCalendarDiv').innerHTML = req2.responseText;
    } else {
      document.getElementById('ajaxCalendarDiv').innerHTML = 'Ajax Load Error';
    }
  }
}

function ajaxOtherLoad(url) {
  url += '&function=Other';
  if (window.XMLHttpRequest) {
    req3 = new XMLHttpRequest();
  } else if (window.ActiveXObject) {
    req3 = new ActiveXObject("Microsoft.XMLHTTP");
  }
  if (req3 != undefined) {
    req3.onreadystatechange = function() { ajaxOtherDone(url);};
    req3.open("GET", url, true);
    req3.send("");
  }
}  

function ajaxOtherDone(url) {
	if(req3.readyState == 4) { // only if req is "loaded"
    if (req3.status == 200) { // only if "OK"
      document.getElementById('ajaxCalendarDiv2').innerHTML = req3.responseText;
    } else {
      document.getElementById('ajaxCalendarDiv2').innerHTML = 'Ajax Load Error';
    }
  }
}

function ajaxThirdLoad(url) {
  url += '&function=Third';
  if (window.XMLHttpRequest) {
    req4 = new XMLHttpRequest();
  } else if (window.ActiveXObject) {
    req4 = new ActiveXObject("Microsoft.XMLHTTP");
  }
  if (req4 != undefined) {
    req4.onreadystatechange = function() { ajaxThirdDone(url);};
    req4.open("GET", url, true);
    req4.send("");
  }
}  

function ajaxThirdDone(url) {
	if(req4.readyState == 4) { // only if req is "loaded"
    if (req4.status == 200) { // only if "OK"
      document.getElementById('ajaxCalendarDiv3').innerHTML = req4.responseText;
    } else {
      document.getElementById('ajaxCalendarDiv3').innerHTML = 'Ajax Load Error';
    }
  }
}

/*	MAILING BOUNCEBACK PROCESSING - DELETE INDIVIDUAL EMAIL AND HIDE ROW */
function ajaxDeleteEmail(email, tr) {
  url = '/admin/mailing/sending.php?action=ajax_del_bouncebacks&email=' + email;
  if (window.XMLHttpRequest) {
    req = new XMLHttpRequest();
  } else if (window.ActiveXObject) {
    req = new ActiveXObject("Microsoft.XMLHTTP");
  }
  if (req != undefined) {
    req.open("GET", url, true);
    req.send("");
	document.getElementById(tr).style.display = 'none';
  }
}  

function ajaxDiscountSelect(total)
{
	str = ',';
	for(a = 1; a <= total; a++)
	{
		if(document.course_select[a].checked == true)
		{
			str += document.course_select[a].value + ',';
		}
	}
	document.form1.discount_courses.value = str;
	document.getElementById('ajaxDiv').style.display = 'none';
	document.getElementById('TB_overlay').style.display = 'none';
}

function ajaxDiscountLoad(total)
{
	courses = document.form1.discount_courses.value.split(',');
	for(a = 0; a < courses.length; a++)
	{
		if(courses[a] != '')
		{
			for(b = 1; b <= total; b++)
			{
				if(document.course_select[b].value == courses[a])
				{
					document.course_select[b].checked = 'true';
				}
			}
		}
	}
}

function limitText()
{
	document.form1.limit_count.value = 540 - document.form1.course_journal.value.length;
}