function hideAllShowOne( all, one )
	  {
		$(all).css('display', 'none');
		$(one).css('display', 'block');
	  }

var onElement;
 function groupStyleToggle( all, one, attr, on, off )
	  {

                onElement = one;



		$(all).css(attr, off);
		$(one).css(attr, on);
	  }

var offset=0;

var stopUp = 1;
var stopDown = 1;

function shiftup()
{
    viewPortHeight = $('#scroller').height(); 

    if( stopUp ) return;
    
    h = $('#copyDynamicNode').height();

    if( offset >= h - viewPortHeight ) return;
    
    offset += 2; 
    $('#copyDynamicNode').css({top: '-' + offset + 'px'});
}


function shiftdown()
{
    if( stopDown ) return;
    
    if( offset <= 0 ) return;
    
    offset -= 2; 
    $('#copyDynamicNode').css({top: '-' + offset + 'px'});
}


$(document).ready(function() { 


if( $('#scroller').is('*') )
{

   $('#scroller').css( { overflow: "hidden" } );
   $('#scroller').wrapInner('<div id="copyDynamicNode"></div>'); 

   $('#copyDynamicNode').css( { position: "absolute", 
                                top: "0px" } );

   $(this).everyTime(2, 'controlled-up', shiftup );
   $(this).everyTime(2, 'controlled-down', shiftdown );

   $('#downarrow' ).mousedown(function() {stopUp = 0; shiftdown() });
   $('#downarrow').mouseup( function() { stopUp = 1; });
   $('#uparrow' ).mousedown(function() { stopDown = 0; shiftup() });
   $('#uparrow').mouseup( function() { stopDown = 1; });
   $('#downarrow').click(function() { return false; }); 
   $('#uparrow').click(function() { return false; }); 

   $('#downarrow').wrap('<a href="#"></a>');
   $('#uparrow').wrap('<a href="#"></a>');

}

function regExpSrcUpdate( o, to ) 
{
  src = o.src;
  src = src.replace( /-[^\/]*$/, to );  
  o.src = src; 
}

function condRegExpSrcUpdate( c, o, a, b ) 
{
   (c == o) ? regExpSrcUpdate( o, a ) : regExpSrcUpdate( o, b );
}

if( $('#nav').is('*') )
{

    leaveSelected = $('#nav img')[0];
  


   $('#nav img').each( function() { 

     var preload = new Image();
     preload.src = this.src;
     regExpSrcUpdate( preload, "-rollover.gif" ) ;

     $(this).wrap('<a href="#"></a>') 

     $( this ).mouseover( function() { regExpSrcUpdate( this, "-rollover.gif" ) } );	
     $( this ).click(     function() { 
                                $('#nav img').each( function() {  regExpSrcUpdate( this, "-button.gif" ) } );	
                                regExpSrcUpdate( this, "-hitstate.gif" ); leaveSelected = this; return false; } );	
     $( this ).mouseout(  function() { condRegExpSrcUpdate( leaveSelected, this, "-hitstate.gif", "-button.gif" ) } );

   });


     $('.next').wrap('<a href="#"></a>') 
     $('.prev').wrap('<a href="#"></a>') 

	$('div#slides').cycle( {
		fx: 'fade',
		timeout: 0,
		
		next: '.next',   
		prev: '.prev',
		
		pager: '#nav',
		pagerAnchorBuilder: function(idx, slide) { 
			return '#nav div:eq(' + idx + ')  img'; 
		},
		
		prevNextClick: function( isNext, idx, slide ) {
		        e = $('#nav div:eq(' + idx + ') img'); 
                        e = e[0];

			leaveSelected = e;
          		$('#nav img').each( function() {
                           condRegExpSrcUpdate( leaveSelected, this, "-hitstate.gif", "-button.gif" );
                        } );	
		}
		
	  });

}

});