var navCurrentPage = "";

function parseElementId( elem )
{
	if( elem.id == undefined ) { return undefined; }

  var pos = elem.id.lastIndexOf( "_" );
  return ( pos < 0 ? undefined : parseInt( elem.id.substr( pos + 1 ) ) );
}

function parseElementName( elem )
{
	if( elem.id == undefined ) { return undefined; }

  var pos = elem.id.lastIndexOf( "_" );
  return ( pos < 0 ? undefined : elem.id.substr( pos + 1 ) );
}

function parseImageName( elem )
{
	return parseElementName( elem );
}

var navRules = {
 	'img.nav' : function(el)
	{
		el.onmouseover = function()
		{
			var imgName = parseImageName( this );
			if( imgName != navCurrentPage )
			{
				this.src = "images/nav/" + imgName + "-on.png";
			}
		};
		el.onmouseout = function()
		{
			var imgName = parseImageName( this );
			if( imgName != navCurrentPage )
			{
				this.src = "images/nav/" + imgName + "-off.png";
			}
		};
	}, 
 	'img.sidebar-img' : function(el)
	{
		el.onmouseover = function()
		{
			var imgSrc = this.src;
			var pos = imgSrc.lastIndexOf( "-off." );
			imgSrc = imgSrc.substring( 0, pos ) + "-on.gif";
			this.src = imgSrc;
		};
		el.onmouseout = function()
		{
			var imgSrc = this.src;
			var pos = imgSrc.lastIndexOf( "-on." );
			if( pos > -1 )
			{
				imgSrc = imgSrc.substring( 0, pos ) + "-off.gif";
				this.src = imgSrc;
			}
		};
	},
 	'img.sidebar-img2' : function(el)
	{
		el.onmouseover = function()
		{
			var imgSrc = this.src;
			var pos = imgSrc.lastIndexOf( "-off." );
			imgSrc = imgSrc.substring( 0, pos ) + "-on2.gif";
			this.src = imgSrc;
		};
		el.onmouseout = function()
		{
			var imgSrc = this.src;
			var pos = imgSrc.lastIndexOf( "-on2." );
			if( pos > -1 )
			{
				imgSrc = imgSrc.substring( 0, pos ) + "-off.gif";
				this.src = imgSrc;
			}
		};
	},
	'#simSelectionDropdown' : function(el)
	{
		el.onchange = function()
		{
			changeToSelectedSIM();
		};
	},
	'#all-feed-search-form' : function(el)
	{
		el.onsubmit = function()
		{
			var val = $F('all-feed-search-input');
			if( val == "" )
			{
				alert( "Please enter your search terms first" );
				return false;
			}
		};
	}
};

Behaviour.register(navRules);var currentRelevanceId = 3;
var sliderRules = {
  'img.slider' : function(el)
	{
		el.onmouseover = function()
		{
			var imgName = parseImageName( this );
			if( imgName != navCurrentPage )
			{
				this.src = "images/sl1/slider-no-bar_" + imgName + "-over.gif";
			}
		};
		el.onmouseout = function()
		{
			var imgName = parseImageName( this );
			if( imgName != navCurrentPage )
			{
				this.src = "images/sl1/slider-no-bar_" + imgName + ".gif";
			}
		};
	},
	'img.activeSliderLevel' : function(el)
	{
		// need to define these functions to overwrite those from the possible previous class 'slider-inline'
		el.onmouseover = function() {}
		el.onmouseout = function() {}
		el.onclick = function() {}
	},
	'img.slider-inline' : function(el)
	{
		el.onmouseover = function()
		{
			var cellLevel = parseElementId( this );
			var imgName = ( cellLevel * 2 ) - 1;
			this.src = "images/sl1/slider-no-bar_0" + imgName + "-over.gif";
		};
		el.onmouseout = function()
		{
			var cellLevel = parseElementId( this );
			var imgName = ( cellLevel * 2 ) - 1;
			this.src = "images/sl1/slider-no-bar_0" + imgName + ".gif";
		};
		el.onclick = function()
		{
			var activeElements = document.getElementsByClassName('activeSliderLevel');
			$A(activeElements).each( function(elem) {
					elem.className = "slider-inline";

					var oLevel = parseElementId( elem );
					var oImgName = ( oLevel * 2 ) - 1;
					elem.src = "images/sl1/slider-no-bar_0" + oImgName + ".gif";
					elem.title = "Relevancy level " + oLevel;
				}
			);

			var cellLevel = parseElementId( this );
			var imgName = ( cellLevel * 2 ) - 1;
			this.src = "images/sl1/slider-no-bar_0" + imgName + "-sel.gif";
			this.className = "activeSliderLevel";
			this.title = "Relevancy level " + cellLevel + " (selected)";

			$('relevancyLevel').value = cellLevel;

			Behaviour.apply();
		}
	}
};

Behaviour.register( sliderRules );
var formRules = {
 	'select.simSelectionDropdown' : function(el)
	{
		el.onchange = function()
		{
			changeToSelectedSIM();
		};
	},
	'input.submit-image' : function(el)
	{
		el.onmouseover = function()
		{
			this.style.cursor = "pointer";
		};
	}
};

Behaviour.register(formRules);
var articleRules = {
 	'#furtherRelatedArticles_link' : function(el)
	{
		el.onmouseover = function()
		{
			this.style.cursor = "pointer";
		};
		el.onclick = function()
		{
			Element.show($('furtherRelatedArticles'));
			Element.hide($('furtherRelatedArticles_link'));
		}
	},
	
	'a.headlineLink' : function(el)
	{
		el.onmouseover = function()
		{
			if( Element.hasClassName( this, "active-article" ) )
			{
				this.style.cursor = "default";
			}
			else
			{
				this.style.cursor = "pointer";
			}
		};
		el.onclick = function()
		{
			if( Element.hasClassName( this, "active-article" ) )
			{
				return false;
			}
			
			var listing = $('newsletter-headline-listing');
			var activeArticles = document.getElementsByClassName( "active-article", listing );
			$A(activeArticles).each( function(elem) {
				Element.removeClassName( elem, "active-article" );
			} );
			
			
			var articleId = this.id;
			Element.addClassName( this, "active-article" );
			activeArticleId = articleId;
		
			var url = "view-story.php";
			var params = "iid=" + newsletterIssueId;
			params += "&suc=" + articleId;
			
			window.location.hash = url + "?" + params;
			
			params += "&inline=true";
			var myAjax = new Ajax.Updater(
				'main',
				url,
				{
					method: 'get',
					parameters: params
				}
				
			);	
			return false;
		}
	}
};

Behaviour.register(articleRules);
var newsRules = {
 	'div.news-item .title' : function(el)
	{
		el.onmouseover = function()
		{
			this.style.cursor = "pointer";
			this.style.textDecoration = "underline";
		};
		el.onmouseout = function()
		{
			this.style.cursor = "";
			this.style.textDecoration = "";
		};
	},
 	'div.news-item .bullet' : function(el)
	{
		el.onclick = function()
		{
			var itemId = parseElementId( this );
			toggleNewsItem( itemId );
		};
	},
	'div.news-item .expand' : function(el)
	{
		el.onclick = function()
		{
			var itemId = parseElementId( this );
			toggleNewsItem( itemId );
			
			var imgSrc = this.src;
			var pos = imgSrc.lastIndexOf( "-on-over." );
			if( pos > -1 )
			{
				this.src = imgSrc.substring( 0, pos ) + "-off-over.png";
				return;
			}

			var pos = imgSrc.lastIndexOf( "-off-over." );
			if( pos > -1 )
			{
				this.src = imgSrc.substring( 0, pos ) + "-on-over.png";
				return;
			}
		};
		el.onmouseover = function()
		{
			this.style.cursor = "pointer";
			var imgSrc = this.src;
			var pos = imgSrc.lastIndexOf( "-off." );
			if( pos > -1 )
			{
				this.src = imgSrc.substring( 0, pos ) + "-off-over.png";
				return;
			}
			
			var pos = imgSrc.lastIndexOf( "-on." );
			if( pos > -1 )
			{
				this.src = imgSrc.substring( 0, pos ) + "-on-over.png";
				return;
			}			
		};
		el.onmouseout = function()
		{
			var imgSrc = this.src;
			var pos = imgSrc.lastIndexOf( "-off-over." );
			if( pos > -1 )
			{
				this.src = imgSrc.substring( 0, pos ) + "-off.png";
				return;
			}
			
			var pos = imgSrc.lastIndexOf( "-on-over." );
			if( pos > -1 )
			{
				this.src = imgSrc.substring( 0, pos ) + "-on.png";
				return;
			}			
		};
	},
 	'div.news-item .related' : function(el)
	{
		el.onmouseover = function()
		{
			this.style.cursor = "help";
		};
	},
	'img.rt_icon' : function(el)
	{
		el.onmouseover = function()
		{
			this.style.cursor = "help";
		};
	}	
};

Behaviour.register(newsRules);


function toggleNewsItem( itemId )
{
	var newsItemElement = $('news_item_' + itemId);
	if( Element.hasClassName( newsItemElement, 'open' ) )
	{
		Element.hide( $('news_summary_' + itemId) );
		Element.removeClassName( newsItemElement, 'open' );
	}
	else
	{
		Element.show( $('news_summary_' + itemId) );		
		Element.addClassName( newsItemElement, 'open' );
	}
}
var classInfoTimers = new Array();
function startInfoTimer( classId )
{
	if( ! classInfoTimers[classId] )
	{
		var timerId = setTimeout( "showClassInfo(" + classId + ")", 1500 )
		classInfoTimers[classId] = timerId;
		// alert( "Started timer '" + timerId + "'\n[start] Currently have " + classInfoTimers.length + " timers" );
	}
}

function showClassInfo( classId )
{
	// alert( "[show] Currently have " + classInfoTimers.length + " timers" );

	if( classInfoTimers[classId] )
	{
		ClassDescriber.showDescription( classId );
		delete classInfoTimers[classId];
	}
}

function cancelClassInfo( classId )
{
	if( classInfoTimers[classId] )
	{
		clearTimeout( classInfoTimers[classId] );
		delete classInfoTimers[classId];
	}	
}

var map50Rules = {
	'img.infoIcon' : function(el)
	{
		el.onclick = function()
		{
			ClassDescriber.toggleDescription( parseElementId( this ) );
			return false;
		};
	},

	'div.classBox_50' : function(el)
	{		
		el.onmouseover = function()
		{
			this.style.cursor = "pointer";
			var classId = parseElementId( this );
			// startInfoTimer( classId );
			if( ! Element.hasClassName( this, "highlight_stick" ) )
			{
				if( classId != MapFocusser.focussedClassId )
				{
					Element.addClassName( this, 'highlight_over' );
				}
			}
		};
		el.onmouseout = function()
		{
			if( ! Element.hasClassName( this, "highlight_stick" ) )
			{
				var classId = parseElementId( this );
				if( classId != MapFocusser.focussedClassId )
				{
					Element.removeClassName( this, 'highlight_over' );
				}
				cancelClassInfo( classId );
			}
		};
		el.onclick = function()
		{
			var classId = parseElementId( this );
			cancelClassInfo( classId );
			
			if( ! Element.hasClassName( this, "highlight_stick" ) )
			{
				MapFocusser.highlightClass50( classId );
			}
			ClassCompanyListing.listCompanies( classId );
			return false;
		};
	},
	
	'img.closeIcon' : function(el)
	{	
		var classId = parseElementId( el.parentNode );
		el.onmouseover = function()
		{
			this.style.cursor = "pointer";
			this.src = "icons/close_box2-over.gif";
		};
		el.onmouseout = function()
		{
			this.style.cursor = "default";
			this.src = "icons/close_box2.gif";
		};
		el.onclick = function()
		{
			ClassDescriber.hideDescription( classId );
			return false; 
		};
	},
	
	'.classDescriptionBox .descriptionMenuLink' : function( el )
	{
		el.onclick = function()
		{
			var classId = parseElementId( el )
			var currentTabId =  'childClassesMenuLink_' + classId;
			Element.removeClassName( currentTabId , 'currentTab' );
			Element.addClassName( el, 'currentTab' );
			Element.hide( $( 'childClasses_' + classId ) );
			Element.show( $( 'description_' + classId ) );
		}
	},
	
	'.classDescriptionBox .childClassesMenuLink' : function( el )
	{
		el.onclick = function()
		{
			var classId = parseElementId( el )
			var currentTabId =  'descriptionMenuLink_' + classId;
			Element.removeClassName( currentTabId, 'currentTab' );
			Element.addClassName( el, 'currentTab' );
			Element.hide( $( 'description_' + classId ) );
			Element.show( $( 'childClasses_' + classId ) );
		}
	},
	'#company-search-go' : function(el)
	{
		el.onmouseover = function()
		{
			this.style.cursor = "pointer";
		};
		el.onclick = function()
		{
			PopupSearch.searchCompanies();
		};
	},
	'#catagory-search-go' : function(el)
	{
		el.onmouseover = function()
		{
			this.style.cursor = "pointer";
		};
		el.onclick = function()
		{
			PopupSearch.searchCatagories();
		};
	},
	'#mapthis_closebutton' : function(el)
	{
		el.onmouseover = function()
		{
			this.style.background = "url(icons/close_box2-over.gif);"
			this.style.backgroundPosition = "center;"
			this.style.backgroundRepeat = "no-repeat;"
		};
		el.onmouseout = function()
		{
			this.style.background = "url(icons/close_box2.gif);"
			this.style.backgroundPosition = "center;"
			this.style.backgroundRepeat = "no-repeat;"
		};
		el.onclick = function()
		{
			PopupSearch.close();
		}
	},
	'#mapthis_go' : function(el)
	{
		el.onclick = function()
		{
			PopupSearch.gomap();
		};
		
	},
	'#mapthis_go_class' : function(el)
	{
		el.onclick = function()
		{
			PopupSearch.gomap_class();
		};
		
	}
};

Behaviour.register(map50Rules);