var M_strBaseAnchorName;
	var M_intCurrentPage;
	var M_strAnchorWrapper;
	var M_strContentContainer;
	var M_bHasViewAll;
	
	
	/* When the page loads, we check how many MainText contributions we have.  If we have more than one, we light up the next button. */
	function EnableNextButton() {
		try {
			if( $( M_strAnchorWrapper ) != null ) {
				$( "aNext" ).removeAttribute( "style" );
			}
		}
		catch( e ) {
			HandleError( "EnableNextButton", e, M_strPageName );
		}
	}
	
	/* This lets us paginate through the content. */
	function MoveContentPosition( intIndex ) {
		try {
			if( M_intCurrentPage == intIndex) return;

			var dvNext = $( M_strBaseAnchorName + intIndex )

			// Next page exists, go to it
			if( dvNext != null ) {
				M_intCurrentPage = intIndex;

				ChangeIndexedContent( "a" + intIndex, M_strBaseAnchorName + ( intIndex - 1 ), M_strBaseAnchorName + ( intIndex + 1 )  );

			}

		}
		catch( e ) {
			HandleError( "MoveContentPosition", e, M_strPageName );
		}
	}
	
	function SnapContentPosition( intIndex ) {
		try {
			
			var dvNext = $( M_strBaseAnchorName + intIndex )

			// Next page exists, go to it
			if( dvNext != null ) {
				M_intCurrentPage = intIndex;

				Element.update(M_strContentContainer, $( M_strBaseAnchorName + M_intCurrentPage ).innerHTML);
				AdjustPaginationLinks( "a" + intIndex );
				AdjustPositionLink( M_strBaseAnchorName + ( intIndex - 1 ), "aPrevious" );
				AdjustPositionLink( M_strBaseAnchorName + ( intIndex + 1 ), "aNext" );
			}

		}
		catch( e ) {
			HandleError( "SnapContentPosition", e, M_strPageName );
		}
	}

	/* We use this function to enable/disable the Prev and Next links. */
	function AdjustPositionLink( strElementId, strLinkId ) {
		try {
			
			// Check for previous
			if( $(strElementId) == null ) {
				Element.setStyle(strLinkId, {color: '#666666',textDecoration: 'none', cursor: 'default'});
			}
			else {
				Element.setStyle(strLinkId, {color: '',textDecoration: '', cursor: ''});
			}
		}
		catch( e ) {
			HandleError( "AdjustPositionLink", e, M_strPageName );
		}
	}

	/* We swap out the contents of dvArticle here. */
	function ChangeIndexedContent( strId, strPrev, strNext ) {
		try {
			// Replace content
			ReplaceContent($( M_strBaseAnchorName + M_intCurrentPage ).innerHTML, strId, strPrev, strNext );
		}
		catch( e ) {
			HandleError( "ChangeIndexedContent", e, M_strPageName );
		}
	}
	
	/* Needed on homepage*/
	function HidePaginationContent() {
		try {
			$(M_strContentContainer).removeAttribute("style");
		}
		catch( e ) {
			HandleError( "HidePaginationContent", e, M_strPageName );
		}
	}
	
	function ReplaceContent( strContent, strId, strPrev, strNext ) {
		try {
			Element.setStyle(M_strContentContainer,{zoom:'1'});
			var _objCanvas = new fx.Opacity( M_strContentContainer, {duration: 400});
			_objCanvas.options.onComplete = function() { 
					Element.update(M_strContentContainer, strContent);
					_objCanvas.options.onComplete = null;
					AdjustPaginationLinks( strId );
					
					if(!IsEmpty(strId)) {
						AdjustPositionLink( strPrev, "aPrevious" );
						AdjustPositionLink( strNext, "aNext" );
					}
					_objCanvas.toggle();		
			};
			_objCanvas.toggle();
		}
		catch( e ) {
			HandleError( "ReplaceContent", e, M_strPageName );
		}
	}

	/* This function selects/deselects the current pagination link.  Numerical links only ( RE: 1,2,3 - NOT ViewAll, Prev, Next)*/
	function AdjustPaginationLinks( strSelectedLinkId ) {
		try {
			// Select proper link
			var arrLinks = $( M_strAnchorWrapper ).getElementsByTagName( "a" );
			var nodes = $A(arrLinks);
			
			nodes.each(function(node) { 
					if( !isNaN(node.innerHTML) ) {
						node.className = ( node.getAttribute( "id" ) == strSelectedLinkId ? "contentSelected" : "" );
					}
			});
			
			if( M_bHasViewAll ) {
				$( "aViewAll" ).className = "";
			}
			
			if( strSelectedLinkId == null ) {
				$("aViewAll").className = "contentSelected";
			}
		}
		catch( e ) {
			HandleError( "AdjustPaginationLinks", e, M_strPageName );
		}
	}
	
	/* When we click ViewAll, we scoop up all of the MainText contributions, concatenate them and put them in the div tag. */
	function ViewAll() {
		try {
			var arrDivs = $( M_strAnchorWrapper ).getElementsByTagName( "div" );
			var nodes = $A(arrDivs);
			var strContents = "";

			
			nodes.each(function(node) { strContents += node.innerHTML });

			ReplaceContent( strContents, null, null, null );
		}
		catch( e ) {
			HandleError( "ViewAll", e, M_strPageName );
		}
	}