/* Start ClearDefaultText */

/*
 * Clear Default Text: functions for clearing and replacing default text in
 * <input> elements.
 *
 * by Ross Shannon, http://www.yourhtmlsource.com/
 */

addEvent(window, 'load', init, false);

function init() {
    var formInputs = document.getElementsByTagName('input');
    for (var i = 0; i < formInputs.length; i++) {
        var theInput = formInputs[i];
        
        if (theInput.type == 'text' && theInput.className.match(/\bcleardefault\b/)) {  
            /* Add event handlers */          
            addEvent(theInput, 'focus', clearDefaultText, false);
            addEvent(theInput, 'blur', replaceDefaultText, false);
            
            /* Save the current value */
            if (theInput.value != '') {
                theInput.defaultText = theInput.value;
            }
        }
    }
}

function clearDefaultText(e) {
    var target = window.event ? window.event.srcElement : e ? e.target : null;
    if (!target) return;
    
    if (target.value == target.defaultText) {
        target.value = '';
    }
}

function replaceDefaultText(e) {
    var target = window.event ? window.event.srcElement : e ? e.target : null;
    if (!target) return;
    
    if (target.value == '' && target.defaultText) {
        target.value = target.defaultText;
    }
}

/* End ClearDefaultText */

/* Start UtilFunctions */

addEvent(window, 'load', init, false);

function init() {
    var formInputs = document.getElementsByTagName('input');
    for (var i = 0; i < formInputs.length; i++) {
        var theInput = formInputs[i];
        
        if (theInput.type == 'text' && theInput.className.match(/\bcleardefault\b/)) {  
            /* Add event handlers */          
            addEvent(theInput, 'focus', clearDefaultText, false);
            addEvent(theInput, 'blur', replaceDefaultText, false);
            
            /* Save the current value */
            if (theInput.value != '') {
                theInput.defaultText = theInput.value;
            }
        }
    }
}

function clearDefaultText(e) {
    var target = window.event ? window.event.srcElement : e ? e.target : null;
    if (!target) return;
    
    if (target.value == target.defaultText) {
        target.value = '';
    }
}

function replaceDefaultText(e) {
    var target = window.event ? window.event.srcElement : e ? e.target : null;
    if (!target) return;
    
    if (target.value == '' && target.defaultText) {
        target.value = target.defaultText;
    }
}

/* 
 * Cross-browser event handling, by Scott Andrew
 */
function addEvent(element, eventType, lamdaFunction, useCapture) {
    if (element.addEventListener) {
        element.addEventListener(eventType, lamdaFunction, useCapture);
        return true;
    } else if (element.attachEvent) {
        var r = element.attachEvent('on' + eventType, lamdaFunction);
        return r;
    } else {
        return false;
    }
}

/* 
 * Kills an event's propagation and default action
 */
function knackerEvent(eventObject) {
    if (eventObject && eventObject.stopPropagation) {
        eventObject.stopPropagation();
    }
    if (window.event && window.event.cancelBubble ) {
        window.event.cancelBubble = true;
    }
    
    if (eventObject && eventObject.preventDefault) {
        eventObject.preventDefault();
    }
    if (window.event) {
        window.event.returnValue = false;
    }
}

/* 
 * Safari doesn't support canceling events in the standard way, so we must
 * hard-code a return of false for it to work.
 */
function cancelEventSafari() {
    return false;        
}

/* 
 * Cross-browser style extraction, from the JavaScript & DHTML Cookbook
 * <http://www.oreillynet.com/pub/a/javascript/excerpt/JSDHTMLCkbk_chap5/index5.html>
 */
function getElementStyle(elementID, CssStyleProperty) {
    var element = document.getElementById(elementID);
    if (element.currentStyle) {
        return element.currentStyle[toCamelCase(CssStyleProperty)];
    } else if (window.getComputedStyle) {
        var compStyle = window.getComputedStyle(element, '');
        return compStyle.getPropertyValue(CssStyleProperty);
    } else {
        return '';
    }
}

/* 
 * CamelCases CSS property names. Useful in conjunction with 'getElementStyle()'
 * From <http://dhtmlkitchen.com/learn/js/setstyle/index4.jsp>
 */
function toCamelCase(CssProperty) {
    var stringArray = CssProperty.toLowerCase().split('-');
    if (stringArray.length == 1) {
        return stringArray[0];
    }
    var ret = (CssProperty.indexOf("-") == 0)
              ? stringArray[0].charAt(0).toUpperCase() + stringArray[0].substring(1)
              : stringArray[0];
    for (var i = 1; i < stringArray.length; i++) {
        var s = stringArray[i];
        ret += s.charAt(0).toUpperCase() + s.substring(1);
    }
    return ret;
}

/*
 * Disables all 'test' links, that point to the href '#', by Ross Shannon
 */
function disableTestLinks() {
  var pageLinks = document.getElementsByTagName('a');
  for (var i=0; i<pageLinks.length; i++) {
    if (pageLinks[i].href.match(/[^#]#$/)) {
      addEvent(pageLinks[i], 'click', knackerEvent, false);
    }
  }
}

/* 
 * Cookie functions
 */
function createCookie(name, value, days) {
    var expires = '';
    if (days) {
        var date = new Date();
        date.setTime(date.getTime() + (days*24*60*60*1000));
        var expires = '; expires=' + date.toGMTString();
    }
    document.cookie = name + '=' + value + expires + '; path=/';
}

function readCookie(name) {
    var cookieCrumbs = document.cookie.split(';');
    var nameToFind = name + '=';
    for (var i = 0; i < cookieCrumbs.length; i++) {
        var crumb = cookieCrumbs[i];
        while (crumb.charAt(0) == ' ') {
            crumb = crumb.substring(1, crumb.length); /* delete spaces */
        }
        if (crumb.indexOf(nameToFind) == 0) {
            return crumb.substring(nameToFind.length, crumb.length);
        }
    }
    return null;
}

function eraseCookie(name) {
    createCookie(name, '', -1);
}

// For discussion and comments, see: http://remysharp.com/2009/01/07/html5-enabling-script/
(function(){if(!/*@cc_on!@*/0)return;var e = "abbr,article,aside,audio,canvas,datalist,details,eventsource,figure,footer,header,hgroup,mark,menu,meter,nav,output,progress,section,time,video".split(','),i=e.length;while(i--){document.createElement(e[i])}})()

/* End UtilFunctions */

/* Start ToggleDiv */

function ToggleDiv(divid)
{
    if(document.getElementById(divid).style.display == 'none')
	{
		document.getElementById(divid).style.display = 'block';
    }
	else
	{
		document.getElementById(divid).style.display = 'none';
    }
}

/* End ToggleDiv */

/* Start ObfuscateEmail */

var mailboxes = ['email-ben', 'email-ben2', 'email-ben3', 'email-msn', 'email-canoe', 'email-google', 'email-wvu', 'email-mmu', 'email-ben4'];
	
	function iterateEmails(mailboxes)
	{
		for (var mailbox in mailboxes)
		{
			emailHide(mailboxes[mailbox]);
		} 
	}
	
	function emailHide(mailbox)
	{
		return(document.getElementById(mailbox).innerHTML = obfuscateEmail(mailbox));
	}
 
	function obfuscateEmail(mailbox)
	{
		if (mailbox == "email-ben")
		{
			user = "ben";
			domain = "bennuttall";
			tld = "com";
			mail = "noahref"
		}
		else if (mailbox == "email-ben2")
		{
			user = "ben";
			domain = "bennuttall";
			tld = "com";
			mail = "ahref"
		}
		else if (mailbox == "email-ben3")
		{
			user = "ben";
			domain = "bennuttall";
			tld = "com";
			mail = "ahref"
		}
		else if (mailbox == "email-msn")
		{
			user = "msn";
			domain = "bennuttall";
			tld = "com";
			mail = "noahref"
		}
		else if (mailbox == "email-canoe")
		{
			user = "ben";
			domain = "mmucanoe";
			tld = "co.uk";
			mail = "ahref"
		}
		else if (mailbox == "email-google")
		{
			user = "ben.nuttall.27";
			domain = "gmail";
			tld = "com";
			mail = "noahref"
		}
		else if (mailbox == "email-wvu")
		{
			user = "ben";
			domain = "woodseatsventureunit";
			tld = "com";
			mail = "ahref"
		}
		else if (mailbox == "mmu")
		{
			user = "benjamin.nuttall";
			domain = "mmu";
			tld = "stu.ac.uk";
			mail = "ahref"
		}
		else
		{
			user = "ben";
			domain = "bennuttall";
			tld = "com";
			mail = "ahref"
		}
		
		address = user + "@" + domain + "." + tld;
		
		if (mail == "ahref")
		{
			return('<a href="mailto:' + address + '">' + address + '<\/a>');
		}
		else
		{
			return(address);
		}
	}

/* End ObfuscateEmail */