// ###############################
// ######### BEGIN CONFIG SECTION# 
// ###############################
// ######### EDIT TO CUSTOMISE ###
// ###############################

var config = {
	//this is the text above
	popupContent: "<div id='cookieDialogue' title='To use site with only essential cookies close box >>'><p><b>Cookies and Your Privacy </b></p><p>On 26 May 2011, the rules about <b>cookies</b> on websites changed.</p> <p>This site uses cookies. One of the cookies we use is essential for parts of this website to operate and manage other cookie preferences. </p><p>You may delete and block cookies from this site. To find out more about the cookies used on this website and how to delete cookies, see our <a href='privacy-policy.html'><b>privacy policy</b></a> cookie section.</p><p>This web site may sometimes display adverts that incorporate Online Behavioural Advertising. Visit <a href='http://www.YourOnlineChoices.com' target='_blank'>www.YourOnlineChoices.com</a> for more information.<p></div>",
	width:"500px",
	autoOpen: false, 
	//image for floating cookie clickable
	frontBoxImage: "yourcookies-tab.png",
	frontBoxPosition: "leftTop",//leftMiddle,leftTop,leftBottom,rightMiddle,rightTop,rightBottom
	frontBoxClass: "cookieFloatingBox",
	//text for dontshow button--prevents showing the floating box again
	okayButtonText: "I understand and accept this site uses cookies. Do not show this message again", 
	//cookie name to be used to specify the floating box is not to be shown
	disabledFloaterCookieName: "wise_cookie_accept",
	okayFunc:" var _gaq = _gaq || []; _gaq.push(['_setAccount', 'UA-359016-5']); _gaq.push(['_trackPageview']); (function() { var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); })();" 
};

// ###############################
// ############ END CONFIG SECTION
// ###############################
// ############ DO NOT EDIT ######
// ###############################

(function() {

	function scriptLoad(url, callback) {
		var ieLoaded  = function(script) { 
			if(script.readyState=='loaded' || script.readyState=='complete') {
				script.onreadystatechange=null;
				return true;
			} else return false;
		};
		var addOnloadCallback = function(script, callback) {
			if (window.attachEvent) {
				script.onreadystatechange=function(){ if(ieLoaded(script)) { callback(); } }; 
			} else
				script.onload = callback; 
		};
		var insertIntoScript = function(scriptElement, script) {
			if(window.attachEvent) {
				scriptElement.text = script;
			} else {
				scriptElement.innerHTML = script
			}
		};
		var insertScript = function(url, callback) { // if no url, just insert callback into the script
			var ga1 = document.createElement('script'); 
			ga1.type = 'text/javascript'; ga1.async = 'true'; 
			if(url==null) { // just insert the callback function in the <script> and finish
				insertIntoScript(ga1, callback);
				var s = document.getElementsByTagName('script')[0];
				s.parentNode.insertBefore(ga1, s);
				return null;
			} else { // add a url only, call back added later
				ga1.src=url[0];
				var s = document.getElementsByTagName('script')[0];
				s.parentNode.insertBefore(ga1, s);
				return ga1;
			}
		}
		var script;
		if(!(script = insertScript(url, callback))) return; //if the callback is to be inserted in a new <script> (via entering null as the url) exit
		if(url.length>1) { // call this function again, with the other url, if there's more than one
			addOnloadCallback(script, function() { url.shift(); scriptLoad(url, callback); });
		} else { // if there's only one script left, load it then call the callback
			addOnloadCallback(script, callback);
		}
	}

	scriptLoad(['http://ajax.googleapis.com/ajax/libs/jquery/1.6.1/jquery.js', 
		   'http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.14/jquery-ui.min.js'], 
		   function() { load(); start(); });

	//load the functionality for displaying the popup
	function load() {
		//define the actual floating popup
		floatingPopupDialogue = {
			box: undefined, 
			disabledFloaterCookieName: undefined,
			init: function(optionsHash) {
				var that = this;
				this.disabledFloaterCookieName=optionsHash['disabledFloaterCookieName'];
				if(this.insertIfAlreadyAllowed(optionsHash['okayFunc'])) return;
				var popup = PopupDialogue.init(optionsHash['popupContent'], optionsHash['height'], optionsHash['width'], optionsHash['autoOpen'], optionsHash['okayButtonText'], 
							   function() { that.disableFloatingBox(); 
									scriptLoad( null, optionsHash['okayFunc']); 
									} );
				this.box = this.makeFrontBox(optionsHash['frontBoxClass'], optionsHash['frontBoxImage']);
				this.setLocation(optionsHash['frontBoxPosition']);
				this.box = this.frontClickable(this.box,popup);
				$(document.body).append(this.box);
			},
			makeFrontBox: function(boxClass, boxImg) {
				var box = $('<div>').attr('id', boxClass);
				box.append($('<img>').attr('src', boxImg).css('cursor', 'pointer')); 
				return box;
			},
			setLocation: function(locationName) {
				this.box.css('position', 'absolute');
				if(locationName=='leftMiddle') this.box.css('top', '50%').css('left', '0px');
				else if(locationName=='leftTop') this.box.css('top', '0%').css('left', '0px');
				else if(locationName=='leftBottom') this.box.css('bottom', '0px').css('left', '0px');
				else if(locationName=='rightMiddle') this.box.css('top', '50%').css('right', '0px');
				else if(locationName=='rightTop') this.box.css('top', '0px').css('right', '0px');
				else if(locationName=='rightBottom') this.box.css('bottom', '0px').css('right', '0px');
				else this.box.css('top', '50%').css('left', '0px'); //default
			},
			disableFloatingBox: function() {
				var exdate=new Date();
				exdate.setFullYear(exdate.getFullYear() + 2);
				var c_value=escape('yes') + "; expires="+exdate.toGMTString() + '; path=/';
				document.cookie=this.disabledFloaterCookieName + "=" + 'yes;' + c_value;
				this.box.hide();
			},
			isDisabled: function() {
				var cookies = document.cookie.split(';');
				for(var a in cookies) {
					if(jQuery.trim(cookies[a])===this.disabledFloaterCookieName+'=yes') return true;
				}
				return false;
			},
			insertIfAlreadyAllowed: function(jsmethod) {
				if(this.isDisabled()) { 
					scriptLoad( null, jsmethod);
					return true;
				}
				return false;
			},
			frontClickable: function(box, popup) {
				box.click(function() {
					popup.open();
				});
				return box;
			}
		};

		//define the dialogue box that appears on clicking the floating part
		var PopupDialogue = {
			popup: undefined,
			init: function(textToInsert, height, width, autoOpen,
					      okayText, dontshowFunc) {
				//var okay = this.makeOkayButton(okayText, okayButtonClass);
				//var dontshow = this.makeDontshowButton(dontshowText, dontshowClass, dontshowFunc);
				//var buttonBar = this.makeButtonBar().append(okay, dontshow);
				//this.popup.append(buttonBar);
				//return this.popup;
				this.popup = $(textToInsert).dialog({modal: true, autoOpen: autoOpen, show: 'drop', height: 'auto', width: width});
				this.popup.dialog("option", "buttons", [ 
							    	{ 
									text:okayText, 
									click: function() { dontshowFunc();$(this).dialog('close'); } 
								}
								]);
				$('button').blur();
				return this;
			},
			open: function() {
				this.popup.dialog('open');
			},
			makeOkayButton: function(okayText, okayButtonClass) {
				var that = this;
				return $('<span id='+okayButtonClass+'>'+okayText+'</span>')
					.click(function() { that.popup.hide(); });
			},
			makeDontshowButton: function(dontshowText, dontshowClass, dontshowFunc) {
				var that = this;
				return $('<span id='+dontshowClass+'>'+dontshowText+'</span>')
					.click(function() { 
							that.popup.hide();
							dontshowFunc(); 
							});
		       },
		       makeButtonBar: function() {
			      return $('<div id="wise_buttonbar">').css('text-align', 'center');
		       }
		};
	}
	// load the floating popup dialogue box. config defined at the start of the file.
	function start() {
			floatingPopupDialogue.init(config)
	}
})();