var $viewP;

function shake( $el ) {
	$($el).effect("shake", {distance:3, times: 2 }, 100 );
}

function positionUpdate() {
	var excess =  $(".panel").height() - 608;
	if( excess > 0 ) {
		excess /= 3.0;
		$(".panelHeader").css("margin-top", excess + 10);
	}
	$("#winner").css('left', $('#home .panelContent').css('margin-left'));
}

function updateScrollPanels() {
	var el = $('#tilHeader .navigation a.selected').attr('hash');
	var numID = 0;
	if( el == "#partners" ) {
		numID = 1
	} else if( el == "#press" ) {
		numID = 2;
	}
	$(".scroll").trigger('goto', [numID] );
	positionUpdate();
}

function preloadTilImages() {
  var cache = [];
  // Arguments are image paths relative to the current page.
  $.preLoadImages = function() {
    var args_len = arguments.length;
    for (var i = args_len; i--;) width
  }
}

function ie6WindowResize() {
	if( $("body").height() < 650 ) {
		$("#content").css({	'height' : 650 - $("#tilHeader").height() - $("#tilFooter").height(),
							'width' : $("#tilHeader").width() });
	} else {
		$("#content").css({	'height' : $("body").height() - $("#tilHeader").height() - $("#tilFooter").height(),
							'width' : $("#tilHeader").width() });
	}

	$(".panel").css({ 'height' : $("#content").height(), 'width' : $("#content").width() });
	$("#home").css({'margin-top' : -$viewP * $("#home").height() });
}

$(document).ready(function() {
	$viewP = 0;
	
	if (typeof document.body.style.maxHeight === "undefined") {
		$(window).resize( ie6WindowResize );
		if( $("body").height() < 650 ) {
			$("#content").css({	'height' : 650 - $("#tilHeader").height() - $("#tilFooter").height(),
								'width' : $("#tilHeader").width() });
		} else {
			$("#content").css({	'height' : $("body").height() - $("#tilHeader").height() - $("#tilFooter").height(),
								'width' : $("#tilHeader").width() });
		}

		$("#scrollTIL").jScrollPane({scrollbarWidth:3, scrollbarMargin:25});
		$("#scrollPressReleases").jScrollPane({scrollbarWidth:3, scrollbarMargin:0});

		$(".navPress").click( function() {
			$viewP = 2;
			$("#home").css({'margin-top' : -$viewP * $("#home").height() });
			return false;
		});
		$(".navOurPartners").click( function() {
			$viewP = 1;
			$("#home").css({'margin-top' : -$viewP * $("#home").height() });
			return false;
		});
		$(".navHome").click( function() {
			$viewP = 0;
			$("#home").css({'margin-top' : 0 });
			return false;
		});
	} else {
		$(".partnerData").css( 'background', 'url("wordpress/wp-content/themes/til/images/ourpartners_separator.png") no-repeat' );
		if( $.support.cssFloat == true  ) {
			$('.ieBlock').hide();
			$('#pressReleases').css('margin-top', 0 );
		} else {
			$('#pressReleasesMini').css('background', 'none');
			$('.pr a').css('background', 'none');
		}
	
		$.preloadCssImages();
		$("#scrollTIL").jScrollPane({scrollbarWidth:3, scrollbarMargin:25});
		$("#scrollPressReleases").jScrollPane({scrollbarWidth:3, scrollbarMargin:0});
	
		$("#content").css('height', $("body").height()-$("#tilHeader").height()-$("#tilFooter").height() );
		$(".panel").css('width', $("#content").width());
		positionUpdate();

		$(window).resize(function() {
			$("#content").css('height', $("body").height()-$("#tilHeader").height()-$("#tilFooter").height() );
			$(".panel").css('width', $("#content").width());
			$(".scrollContainer").css('width', $(".panel").width()*3);
			
			window.setTimeout( updateScrollPanels, 300 );
		});
		
		// Slider code starts here
	
		var $panels = $('#slider .scrollContainer > div');
		var $container = $('#slider .scrollContainer');
	
	
		// float the panels left
		$panels.css({ 'float' : 'left', 'position' : 'relative' });
	  
		// calculate a new width for the container (so it holds all panels)
		$container.css('width', $panels[0].offsetWidth * $panels.length);
		
		// collect the scroll object, at the same time apply the hidden overflow
		// to remove the default scrollbars that will appear
		var $scroll = $('#slider .scroll').css('overflow', 'hidden');
		
		// handle nav selection
		function selectNav() {
		  var el = $('#tilHeader .navigation .selected');
		  el.addClass('unselected');
		  el.removeClass('selected');
		  $(this).addClass('selected');
		  $(this).removeClass('unselected');
		}
		
		$('#slider .navigation').find('a').click(selectNav);
		
		// go find the navigation link that has this target and select the nav
		function trigger(data) {
		  var el = $('#tilHeader .navigation').find('a[href$="' + data.id + '"]').get(0);
		  selectNav.call(el);
		}
		
		if (window.location.hash) {
		  trigger({ id : window.location.hash.substr(1) });
		} else {
		//  $('ul.navigation a:first').click();
		  $('.navigation a:first').click();
		}
		
		// offset is used to move to *exactly* the right place, since I'm using
		// padding on my example, I need to subtract the amount of padding to
		// the offset.  Try removing this to get a good idea of the effect
		var offset = parseInt($container.css('paddingLeft') || 0) * -1;
		
		
		var scrollOptions = {
		  target: $scroll, // the element that has the overflow
		  
		  // can be a selector which will be relative to the target
		  items: $panels,
		  
		  navigation: '.navigation a',
		  
		  // selectors are NOT relative to document, i.e. make sure they're unique
		  prev: 'img.left', 
		  next: 'img.right',
		  
		  // allow the scroll effect to run both directions
		  axis: 'xy',
		  
		  onAfter: trigger, // our final callback
		  
		  offset: offset,
		  
		  // duration of the sliding effect
		  duration: 200,
		  
		  // easing - can be used with the easing plugin: 
		  // http://gsgd.co.uk/sandbox/jquery/easing/
		  easing: 'swing'
		};
		
		// apply serialScroll to the slider - we chose this plugin because it 
		// supports// the indexed next and previous scroll along with hooking 
		// in to our navigation.
		$('#slider').serialScroll(scrollOptions);
		
		// now apply localScroll to hook any other arbitrary links to trigger 
		// the effect
		$.localScroll(scrollOptions);
		
		// finally, if the URL has a hash, move the slider in to position, 
		// setting the duration to 1 because I don't want it to scroll in the
		// very first page load.  We don't always need this, but it ensures
		// the positioning is absolutely spot on when the pages loads.
		scrollOptions.duration = 1;
		$.localScroll.hash(scrollOptions);
		}
});