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// Simple Set Clipboard System
// Author: Joseph Huckaby
// http://code.google.com/p/zeroclipboard/wiki/Instructions
var ZeroClipboard = {
	
	version: "1.0.4",
	clients: {}, // registered upload clients on page, indexed by id
	moviePath: '/scripts/jquery/ZeroClipboard.swf', // URL to movie
	nextId: 1, // ID of next movie
	
	$: function(thingy) {
		// simple DOM lookup utility function
		if (typeof(thingy) == 'string') thingy = document.getElementById(thingy);
		if (!thingy.addClass) {
			// extend element with a few useful methods
			thingy.hide = function() { this.style.display = 'none'; };
			thingy.show = function() { this.style.display = ''; };
			thingy.addClass = function(name) { this.removeClass(name); this.className += ' ' + name; };
			thingy.removeClass = function(name) {
				this.className = this.className.replace( new RegExp("\\s*" + name + "\\s*"), " ").replace(/^\s+/, '').replace(/\s+$/, '');
			};
			thingy.hasClass = function(name) {
				return !!this.className.match( new RegExp("\\s*" + name + "\\s*") );
			}
		}
		return thingy;
	},
	
	setMoviePath: function(path) {
		// set path to ZeroClipboard.swf
		this.moviePath = path;
	},
	
	dispatch: function(id, eventName, args) {
		// receive event from flash movie, send to client		
		var client = this.clients[id];
		if (client) {
			client.receiveEvent(eventName, args);
		}
	},
	
	register: function(id, client) {
		// register new client to receive events
		this.clients[id] = client;
	},
	
	getDOMObjectPosition: function(obj) {
		// get absolute coordinates for dom element
		var info = {
			left: 0, 
			top: 0, 
			width: obj.width ? obj.width : obj.offsetWidth, 
			height: obj.height ? obj.height : obj.offsetHeight
		};

		while (obj) {
			info.left += obj.offsetLeft;
			info.top += obj.offsetTop;
			obj = obj.offsetParent;
		}

		return info;
	},
	
	Client: function(elem) {
		// constructor for new simple upload client
		this.handlers = {};
		
		// unique ID
		this.id = ZeroClipboard.nextId++;
		this.movieId = 'ZeroClipboardMovie_' + this.id;
		
		// register client with singleton to receive flash events
		ZeroClipboard.register(this.id, this);
		
		// create movie
		if (elem) this.glue(elem);
	}
};

ZeroClipboard.Client.prototype = {
	
	id: 0, // unique ID for us
	ready: false, // whether movie is ready to receive events or not
	movie: null, // reference to movie object
	clipText: '', // text to copy to clipboard
	handCursorEnabled: true, // whether to show hand cursor, or default pointer cursor
	cssEffects: true, // enable CSS mouse effects on dom container
	handlers: null, // user event handlers
	
	glue: function(elem) {
		// glue to DOM element
		// elem can be ID or actual DOM element object
		this.domElement = ZeroClipboard.$(elem);
		
		// float just above object, or zIndex 99 if dom element isn't set
		var zIndex = 99;
		if (this.domElement.style.zIndex) {
			zIndex = parseInt(this.domElement.style.zIndex) + 1;
		}
		
		// find X/Y position of domElement
		var box = ZeroClipboard.getDOMObjectPosition(this.domElement);
		
		// create floating DIV above element
		this.div = document.createElement('div');
		var style = this.div.style;
		style.position = 'absolute';
		style.left = '' + box.left + 'px';
		style.top = '' + box.top + 'px';
		style.width = '' + box.width + 'px';
		style.height = '' + box.height + 'px';
		style.zIndex = zIndex;
		
		// style.backgroundColor = '#f00'; // debug
		
		var body = document.getElementsByTagName('body')[0];
		body.appendChild(this.div);
		
		this.div.innerHTML = this.getHTML( box.width, box.height );
	},
	
	getHTML: function(width, height) {
		// return HTML for movie
		var html = '';
		var flashvars = 'id=' + this.id + 
			'&width=' + width + 
			'&height=' + height;
			
		if (navigator.userAgent.match(/MSIE/)) {
			// IE gets an OBJECT tag
			var protocol = location.href.match(/^https/i) ? 'https://' : 'http://';
			html += '<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="'+protocol+'download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,0,0" width="'+width+'" height="'+height+'" id="'+this.movieId+'" align="middle"><param name="allowScriptAccess" value="always" /><param name="allowFullScreen" value="false" /><param name="movie" value="'+ZeroClipboard.moviePath+'" /><param name="loop" value="false" /><param name="menu" value="false" /><param name="quality" value="best" /><param name="bgcolor" value="#ffffff" /><param name="flashvars" value="'+flashvars+'"/><param name="wmode" value="transparent"/></object>';
		}
		else {
			// all other browsers get an EMBED tag
			html += '<embed id="'+this.movieId+'" src="'+ZeroClipboard.moviePath+'" loop="false" menu="false" quality="best" bgcolor="#ffffff" width="'+width+'" height="'+height+'" name="'+this.movieId+'" align="middle" allowScriptAccess="always" allowFullScreen="false" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" flashvars="'+flashvars+'" wmode="transparent" />';
		}
		return html;
	},
	
	hide: function() {
		// temporarily hide floater offscreen
		if (this.div) {
			this.div.style.left = '-2000px';
		}
	},
	
	show: function() {
		// show ourselves after a call to hide()
		this.reposition();
	},
	
	destroy: function() {
		// destroy control and floater
		if (this.domElement && this.div) {
			this.hide();
			this.div.innerHTML = '';
			
			var body = document.getElementsByTagName('body')[0];
			try { body.removeChild( this.div ); } catch(e) {;}
			
			this.domElement = null;
			this.div = null;
		}
	},
	
	reposition: function(elem) {
		// reposition our floating div, optionally to new container
		// warning: container CANNOT change size, only position
		if (elem) {
			this.domElement = ZeroClipboard.$(elem);
			if (!this.domElement) this.hide();
		}
		
		if (this.domElement && this.div) {
			var box = ZeroClipboard.getDOMObjectPosition(this.domElement);
			var style = this.div.style;
			style.left = '' + box.left + 'px';
			style.top = '' + box.top + 'px';
		}
	},
	
	setText: function(newText) {
		// set text to be copied to clipboard
		this.clipText = newText;
		if (this.ready) this.movie.setText(newText);
	},
	
	addEventListener: function(eventName, func) {
		// add user event listener for event
		// event types: load, queueStart, fileStart, fileComplete, queueComplete, progress, error, cancel
		eventName = eventName.toString().toLowerCase().replace(/^on/, '');
		if (!this.handlers[eventName]) this.handlers[eventName] = [];
		this.handlers[eventName].push(func);
	},
	
	setHandCursor: function(enabled) {
		// enable hand cursor (true), or default arrow cursor (false)
		this.handCursorEnabled = enabled;
		if (this.ready) this.movie.setHandCursor(enabled);
	},
	
	setCSSEffects: function(enabled) {
		// enable or disable CSS effects on DOM container
		this.cssEffects = !!enabled;
	},
	
	receiveEvent: function(eventName, args) {
		// receive event from flash
		eventName = eventName.toString().toLowerCase().replace(/^on/, '');
				
		// special behavior for certain events
		switch (eventName) {
			case 'load':
				// movie claims it is ready, but in IE this isn't always the case...
				// bug fix: Cannot extend EMBED DOM elements in Firefox, must use traditional function
				this.movie = document.getElementById(this.movieId);
				if (!this.movie) {
					var self = this;
					setTimeout( function() { self.receiveEvent('load', null); }, 1 );
					return;
				}
				
				// firefox on pc needs a "kick" in order to set these in certain cases
				if (!this.ready && navigator.userAgent.match(/Firefox/) && navigator.userAgent.match(/Windows/)) {
					var self = this;
					setTimeout( function() { self.receiveEvent('load', null); }, 100 );
					this.ready = true;
					return;
				}
				
				this.ready = true;
				this.movie.setText( this.clipText );
				this.movie.setHandCursor( this.handCursorEnabled );
				break;
			
			case 'mouseover':
				if (this.domElement && this.cssEffects) {
					this.domElement.addClass('hover');
					if (this.recoverActive) this.domElement.addClass('active');
				}
				break;
			
			case 'mouseout':
				if (this.domElement && this.cssEffects) {
					this.recoverActive = false;
					if (this.domElement.hasClass('active')) {
						this.domElement.removeClass('active');
						this.recoverActive = true;
					}
					this.domElement.removeClass('hover');
				}
				break;
			
			case 'mousedown':
				if (this.domElement && this.cssEffects) {
					this.domElement.addClass('active');
				}
				break;
			
			case 'mouseup':
				if (this.domElement && this.cssEffects) {
					this.domElement.removeClass('active');
					this.recoverActive = false;
				}
				break;
		} // switch eventName
		
		if (this.handlers[eventName]) {
			for (var idx = 0, len = this.handlers[eventName].length; idx < len; idx++) {
				var func = this.handlers[eventName][idx];
			
				if (typeof(func) == 'function') {
					// actual function reference
					func(this, args);
				}
				else if ((typeof(func) == 'object') && (func.length == 2)) {
					// PHP style object + method, i.e. [myObject, 'myMethod']
					func[0][ func[1] ](this, args);
				}
				else if (typeof(func) == 'string') {
					// name of function
					window[func](this, args);
				}
			} // foreach event handler defined
		} // user defined handler for event
	}
	
};






$(document).ready(function(){

   function addShareButtons(DOMelement,useIconsOnly,url){
            //var url =  DOMelement.children('a').attr('href');
		    if(url==null){
			    url=document.location.toString();	
		    }
		    else if(url.indexOf('http://www.ifa.com')==-1){
			    url=document.location.toString().split('#')[0]+url;
		    }
            //DEFAULT VALUES FOR ICONS AND SIZES
            var globeIcon = "/images/icons/linkglobe24.png";
            var copyIcon = "copyclipboard24l.png";
            var giw = 53; 
			var gih = 24;	//globeicon height
			var gstyle = "";
            var ciw = 93;
			var cbciw = 93; //initial width of container

            //IF ONLY USING ICONS, CHANGE SIZES AND URLS OF ICONS
            if(useIconsOnly){
				//CHANGE globeIcon to linkglobeonly.png if you need to change back to icon only. and giw = 24;
                globeIcon = "/images/icons/linkglobe24.png";//"/images/icons/arrow-right-grey-24.png";
                copyIcon = "copyclipboard24_single.png";
                giw = 53;	//globeicon width
				gih = 24;	//globeicon height
				gstyle = "margin-left:2px;margin-right:2px"; //globeicon style
                ciw = 24;	//clipboard icon width
				cbciw = 24; //clipboard container width
            }

          

            //ALL SHARE BUTTONS
		    var newHTML = "<div class='inline top4'>";
            //LINK WITH GLOBE BUTTON. HANDLES HOVER
            newHTML+="<img style='"+gstyle+"' src='"+globeIcon+"' width='"+giw+"px' height='"+gih+"px' alt='Permalink' title='Permalink' class='linkicon24' onclick='document.location.href=\""+url+"\";return false'/>";
            //CLIPBOARD COPY CONTAINER (HANDLES FLASH HACK)
            if(!$.browser.msie && !isiPhone()){
                newHTML+="<span class='clipboardicon24container' rel='"+cbciw+"' title='Copy link to clipboard' alt='Copy link to clipboard'></span>";
                //ACTUAL CLIPBOARD IMAGE
                newHTML+="<img src='/images/icons/"+copyIcon+"' rel='"+url+"' width='"+ciw+"px' height='24px' alt='copy link to clipboard' title='copy link to clipboard' class='clipboardicon24'/>";
            }
            //GOOGLE PLUS ICON
            //newHTML+="<span class='gplusicon24'><g:plusone count='false' size='medium' href='"+url+"'></g:plusone></span>";
            //TWITTER ICON
            //newHTML+="<iframe allowtransparency='true' frameborder='0' scrolling='no' class='twitter-share-button' src='http://platform.twitter.com/widgets/tweet_button.html?url="+encodeURIComponent(url)+"&amp;text="+$('title').text()+' - '+DOMelement.text()+"&amp;count=none' style='width:59px; height:20px;'></iframe>";
            //FACEBOOK ICON
            //newHTML+="<iframe src='https://www.facebook.com/plugins/like.php?href="+encodeURIComponent(url)+"&amp;send=false&amp;layout=button_count&amp;width=450&amp;show_faces=false&amp;action=like&amp;colorscheme=light&amp;font&amp;height=35' scrolling='no' frameborder='0' style='border:none; overflow:hidden; width:50px; height:24px;' class='fbicon24' allowTransparency='true'></iframe>";
            //END ALL SHARE BUTTONS
            newHTML+="</div>";
		    return newHTML;
    }
    function isiPhone(){
        return ((navigator.platform.indexOf("iPhone") != -1)||(navigator.platform.indexOf("iPod") != -1)||(navigator.platform.indexOf("iPad") != -1));
    }

	$(".section_h3 a").attr("title",function(){return "Permalink to " + $(this).attr("title")});
	$(".sectionfigure_h3 a").attr("title",function(){return "Permalink to " + $(this).attr("title")});
	
  	$(".section_h2").after( function(){ var DOMelement = $(this); return addShareButtons(DOMelement,false,DOMelement.children('a').attr('href')) +"<hr class='section_hr'/>";});
    $(".section_h3").after( function(){	var DOMelement = $(this); return addShareButtons(DOMelement,true,DOMelement.children('a').attr('href')); });
	$(".sectionfigure_h3").after( function(){	var DOMelement = $(this); return addShareButtons(DOMelement,true,DOMelement.children('a').attr('href')); });
	$(".IFACHART").prev("p").children("strong").after( function(){ 
     if($(this).html()!=null){
	        if($(this).html().indexOf("Table")>-1 || $(this).html().indexOf("Figure")>-1){
				
		        return addShareButtons($(this),false,'#' + $(this).parent('p').next().attr('id'));
	        }
	        else{
		        return;
	        }
        }
	});

    $(".clipboardicon24container, .clipboardicon24, .gplusicon24, .twitter-share-button, .fbicon24").hover(function(){
	        clearTimeout($(this).siblings(".linkicon24").data('timeout'));  
			clearTimeout($(this).parent().prev(".section_h3").data('timeout'));          
    });
	
	$(".linkicon24").hover(function(){
        clearTimeout($(this).data('timeout'));

		$(this).siblings(".clipboardicon24container").show();
		$(this).siblings(".clipboardicon24container").css("display","inline");
		$(this).siblings(".clipboardicon24").fadeIn();
		$(this).siblings(".gplusicon24").fadeIn();
		$(this).siblings(".twitter-share-button").fadeIn();
		$(this).siblings(".fbicon24").fadeIn();
		}, 
        function() {
            var THIS = $(this);
            var t = setTimeout(function() {           
                THIS.siblings(".clipboardicon24container").hide();
		        THIS.siblings(".clipboardicon24").fadeOut();
		        THIS.siblings(".gplusicon24").fadeOut();
		        THIS.siblings(".twitter-share-button").fadeOut();
		        THIS.siblings(".fbicon24").fadeOut();
            }, 2000);
          THIS.data('timeout', t);
        }
    );
	$(".section_h3, .sectionfigure_h3").hover(function(){
        clearTimeout($(this).data('timeout'));

		$(this).next(".inline").children(".clipboardicon24container").show();
		$(this).next(".inline").children(".clipboardicon24container").css("display","inline");
		$(this).next(".inline").children(".clipboardicon24").fadeIn();
		$(this).next(".inline").children(".gplusicon24").fadeIn();
		$(this).next(".inline").children(".twitter-share-button").fadeIn();
		$(this).next(".inline").children(".fbicon24").fadeIn();
		}, 
        function() {
            var THIS = $(this);
            var t = setTimeout(function() {           
                THIS.next(".inline").children(".clipboardicon24container").hide();
		        THIS.next(".inline").children(".clipboardicon24").fadeOut();
		        THIS.next(".inline").children(".gplusicon24").fadeOut();
		        THIS.next(".inline").children(".twitter-share-button").fadeOut();
		        THIS.next(".inline").children(".fbicon24").fadeOut();
            }, 2000);
          THIS.data('timeout', t);
        }
    );

		
	$(".clipboardicon24").each(function(){	
	var clip = new ZeroClipboard.Client();	
		var text = $(this).attr('rel');
	 	 //clip.glue($(this)[0],$(this).parent()[0]);
		 var html = clip.getHTML(  $(this).siblings(".clipboardicon24container").attr("rel"), 24);
		 $(this).siblings(".clipboardicon24container").append(html);
         clip.setText(text);	
       
		 clip.addEventListener('complete', function(client, text) {
                if(text==''||text==null){
                //alert("rel: "+$(this).attr('rel').toString());
                    alert("Copy Failed. Please click the globe icon and use the url in the address bar.");

                }
                else{
                  alert("Direct link to this section ("+text+")\r\n is now copied into your clipboard for you to share.");
                }
                    
                });	 
	});

})