/*-------------------------------------------------- addPrintLink function by A List Apart --------------------------------------------------*/


function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      if (oldonload) {
        oldonload();
      }
      func();
    }
  }
}

addLoadEvent( function(){ add_print_link( 'print' ) } );

function add_print_link( id ){
  if( !document.getElementById ||
      !document.getElementById( id ) ) return;

  // add extra functions to page tools list
  var print_page = document.getElementById( id );

  // create print link
  var print_function = document.createElement('p');
  print_function.className = 'print-link';
  print_function.onclick = function(){ print_preview(); return false; };
  print_function.appendChild( document.createTextNode( 'Print the Page' ) );

}

function print_preview() {
	// Switch the stylesheet
	setActiveStyleSheet('Print Preview');
	
	// Create preview message
	add_preview_message();

	// Print the page
	window.print();
}

function add_preview_message(){
var main_content = document.getElementById('content');
var main_body = main_content.parentNode;

	if (document.getElementById){
		
		var preview_message = document.createElement('div');
		preview_message.id = 'preview-message';
	
		// Create Heading
		var preview_header = document.createElement('h3');
		var preview_header_text = document.createTextNode('This is a print preview of this page');
		preview_header.appendChild(preview_header_text);
		
		// Create paragraph
		var preview_para = document.createElement('p');
		var preview_para_text = document.createTextNode('Without this message of course. ');
		
		var cancel_function_link = document.createElement('a');
			cancel_function_link.onclick = function(){ cancel_print_preview(); return false; };
			cancel_function_link.setAttribute('href', '#');	
		var cancel_function_link_text = document.createTextNode('Return to the existing page.');
		cancel_function_link.appendChild(cancel_function_link_text);
		preview_para.appendChild(preview_para_text); //
		preview_para.appendChild(cancel_function_link);
		
		// Put it all toegether
		preview_message.appendChild(preview_header); 
		preview_message.appendChild(preview_para);
		main_body.insertBefore(preview_message, main_content);

	}
}

function cancel_print_preview() {
	// Destroy the preview message
	var print_preview = document.getElementById('preview-message');
	var main_body = print_preview.parentNode;
	main_body.removeChild(print_preview);
	
	// Switch back stylesheet
	setActiveStyleSheet('default');
}

function setActiveStyleSheet(title) {
   var i, a, main;
   for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
     if(a.getAttribute("rel").indexOf("style") != -1
        && a.getAttribute("title")) {
       a.disabled = true;
       if(a.getAttribute("title") == title) a.disabled = false;
     }
   }
}


/*-------------------------------------------------- addPrintLink function by Roger Johansson, www.456bereastreet.com --------------------------------------------------*/


var addPrintLink = {
	init:function(sTargetEl,sLinkText) {
		if (!document.getElementById || !document.createTextNode) {return;} // Check for DOM support
		if (!document.getElementById(sTargetEl)) {return;} // Check that the target element actually exists
		if (!window.print) {return;} // Check that the browser supports window.print
		var oTarget = document.getElementById(sTargetEl);
		var oLink = document.createElement('a');
		oLink.id = 'print-link'; // Give the link an id to allow styling
		oLink.href = '#'; // Make the link focusable for keyboard users
		oLink.appendChild(document.createTextNode(sLinkText));
		oLink.onclick = function() {print_preview(); return false;} // Return false prevents the browser from following the link and jumping to the top of the page after printing (OLD USED TO BE window.print()
		oTarget.appendChild(oLink);
	},
/*
addEvent function included here for portability. Replace with your own addEvent function if you use one.
*/
/* addEvent function from http://www.quirksmode.org/blog/archives/2005/10/_and_the_winner_1.html */
	addEvent:function(obj, type, fn) {
		if (obj.addEventListener)
			obj.addEventListener(type, fn, false);
		else if (obj.attachEvent) {
			obj["e"+type+fn] = fn;
			obj[type+fn] = function() {obj["e"+type+fn](window.event);}
			obj.attachEvent("on"+type, obj[type+fn]);
		}
	}
};
addPrintLink.addEvent(window, 'load', function(){addPrintLink.init('print','Print this page');});


/*-------------------------------------------------- pullquote function by Roger Johansson, http://www.456bereastreet.com/  --------------------------------------------------*/


var pullquote = {
	init : function() {
	// Check that the browser supports the methods used
		if (!document.getElementById || !document.createElement || !document.appendChild) return false;
		var oElement, oPullquote, oPullquoteP, oQuoteContent, i, j;
	// Find all span elements with a class name of pullquote
		var arrElements = document.getElementsByTagName('span');
		var oRegExp = new RegExp("(^|\\s)pullquote(\\s|$)");
		for (i=0; i<arrElements.length; i++) {
	// Save the current element
			oElement = arrElements[i];
			if (oRegExp.test(oElement.className)) {
	// Create the blockquote and p elements
				oPullquote = document.createElement('blockquote');
				oPullquote.className = oElement.className
				oPullquoteP = document.createElement('p');
	// Insert the pullquote text
				for(j=0;j<oElement.childNodes.length;j++) {
					oPullquoteP.appendChild(oElement.childNodes[j].cloneNode(true));
				}
				oPullquote.appendChild(oPullquoteP);
	// Insert the blockquote element before the span elements parent element
				oElement.parentNode.parentNode.insertBefore(oPullquote,oElement.parentNode);
			}
		}
	}
};
// addEvent function from http://www.quirksmode.org/blog/archives/2005/10/_and_the_winner_1.html
function addEvent(obj, type, fn) {
	if (obj.addEventListener)
		obj.addEventListener( type, fn, false );
	else if (obj.attachEvent)
	{
		obj["e"+type+fn] = fn;
		obj[type+fn] = function() { obj["e"+type+fn]( window.event ); }
		obj.attachEvent( "on"+type, obj[type+fn] );
	}
}
addEvent(window, 'load', pullquote.init);


/*-------------------------------------------------- getLinkSummary by BSN --------------------------------------------------*/


var useBSNns;


if (!useBSNns)
{
	_bsn = this;
}
else
{
	if (typeof(bsn) == "undefined")
		bsn = {}
	_bsn = bsn;
}


_bsn.getLinkSummary = function (articleID, listID)
{
	if (!document.getElementById)
		return false;
	
	
	var article = this.DOM.getElement(articleID);
	var listholder = this.DOM.getElement(listID);
	
	var links_arr = article.getElementsByTagName( 'a' );
	
	var link, li, obj, newlink, newlinktext;
	
	if (links_arr.length)
	{
		
		var newtext = document.createTextNode(" Some text added dynamically. ");
		var para = document.getElementById(listID);
		para.appendChild(newtext);
		
		// create ul to hold links
		var ul = this.DOM.createElement( "ul" );
		
	}
	
	for (var i=0; i<links_arr.length; i++)
	{
		link = links_arr[i];
		
		// only include inline text links
		//
		if (link.childNodes.length == 1 && link.firstChild.nodeType == 3)
		{
			
			// attributes for new link
			obj = {};
			obj.href = link.href;
			obj.title = (link.title) ? '...'+link.firstChild.nodeValue+'...'  :  link.href;
			newlinktext = (link.title) ? link.title  :  '...'+link.firstChild.nodeValue+'...';
			
			
			newlink = this.DOM.createElement( "a", obj, newlinktext );
			ul.appendChild( this.DOM.createElement( "li", {}, newlink ) );
			
		}
	}
	
	listholder.appendChild( ul );
}