/*

	----------------------------------------------------------------------------------------------------
	Accessible News Slider
	----------------------------------------------------------------------------------------------------
	
	Author:
	Brian Reindel
	
	Author URL:
	http://blog.reindel.com

	License:
	Unrestricted. This script is free for both personal and commercial use.

*/

var firstTimeToPage = true;
var newsScrollerPage = 1;
var soFastYouDontSeeItMove = 1;
var almostInvisible = "opacity: 0.1";

jQuery.fn.landingPageNews = function( settings ) {
	settings = jQuery.extend({
        headline : "Top Stories",
        speed : "normal",
		slideBy : 2
    }, settings);
    return this.each(function() {
		jQuery.fn.landingPageNews.run( jQuery( this ), settings );
    });
};
jQuery.fn.landingPageNews.run = function( $this, settings ) {
	jQuery( ".javascript_css", $this ).css( "display", "none" );
	var ul = jQuery( "ul:eq(0)", $this );
	var li = ul.children();
	if ( li.length > settings.slideBy ) {
		var $next = jQuery( ".landing_page_news_next_button > a" );
		var $back = jQuery( ".landing_page_news_back_button > a" );
		var liWidth = jQuery( li[0] ).width();
		var animating = false;
		ul.css( "width", ( li.length * liWidth ) );
		$next.click(function() {
			if ( !animating ) {
				animating = true;
				offsetLeft = parseInt( ul.css( "left" ) ) - ( liWidth * settings.slideBy );
				if ( offsetLeft + ul.width() > 0 ) {
					//$back.css( "display", "block" );
					ul.animate({
						left: offsetLeft
					}, settings.speed, function() {
						if ( parseInt( ul.css( "left" ) ) + ul.width() <= liWidth * settings.slideBy ) {
							//$next.css( "display", "none" );
						}
						animating = false;
					});
				} else {
					animating = false;
				}
			}
			return false;
		});
		$back.click(function() {
			if ( !animating ) {
				animating = true;
				offsetRight = parseInt( ul.css( "left" ) ) + ( liWidth * settings.slideBy );
				if ( offsetRight + ul.width() <= ul.width() ) {
					//$next.css( "display", "block" );
					ul.animate({
						left: offsetRight
					}, settings.speed, function() {
						if ( parseInt( ul.css( "left" ) ) == 0 ) {
							//$back.css( "display", "none" );
						}
						animating = false;
					});
				} else {
					animating = false;
				}
			}
			return false;
		});
	}
};

jQuery.fn.landingPageNewsPaged = function( settings ) {
	settings = jQuery.extend({
        headline : "Top Stories",
        speed : "normal",
		slideBy : 2
    }, settings);
    return this.each(function() {
		jQuery.fn.landingPageNewsPaged.run( jQuery( this ), settings );
    });
};
jQuery.fn.landingPageNewsPaged.run = function( $this, settings ) {
	jQuery( ".javascript_css", $this ).css( "display", "none" );
	var ul = jQuery( "ul:eq(0)", $this );
	var li = ul.children();
	if ( li.length > settings.slideBy ) {
		var liWidth = jQuery( li[0] ).width();
		var animating = false;
		ul.css( "width", ( li.length * liWidth ) );
		if (newsScrollerPage > 1 && firstTimeToPage == true) {
			firstTimeToPage = false;
			if ( !animating ) {
				animating = true;
				offsetLeft = parseInt( ul.css( "left" ) ) - ( liWidth * (settings.slideBy) * (newsScrollerPage - 1));
				if ( offsetLeft + ul.width() > 0 ) {
					//$back.css( "display", "block" );
					ul.animate({
						left: offsetLeft
					}, soFastYouDontSeeItMove,  almostInvisible, function() {
						if ( parseInt( ul.css( "left" ) ) + ul.width() <= (liWidth * settings.slideBy) * (newsScrollerPage - 1)) {
							//$next.css( "display", "none" );
						}
						animating = false;
					});
				} else {
					animating = false;
				}
			}
		}
		var $next = jQuery( ".landing_page_news_next_button > a" );
		var $back = jQuery( ".landing_page_news_back_button > a" );
		$next.click(function() {
			if ( !animating ) {
				animating = true;
				offsetLeft = parseInt( ul.css( "left" ) ) - ( liWidth * settings.slideBy );
				if ( offsetLeft + ul.width() > 0 ) {
					//$back.css( "display", "block" );
					ul.animate({
						left: offsetLeft
					}, settings.speed, function() {
						if ( parseInt( ul.css( "left" ) ) + ul.width() <= liWidth * settings.slideBy ) {
							//$next.css( "display", "none" );
						}
						animating = false;
					});
				} else {
					animating = false;
				}
			}
			return false;
		});
		$back.click(function() {
			if ( !animating ) {
				animating = true;
				offsetRight = parseInt( ul.css( "left" ) ) + ( liWidth * settings.slideBy );
				if ( offsetRight + ul.width() <= ul.width() ) {
					//$next.css( "display", "block" );
					ul.animate({
						left: offsetRight
					}, settings.speed, function() {
						if ( parseInt( ul.css( "left" ) ) == 0 ) {
							//$back.css( "display", "none" );
						}
						animating = false;
					});
				} else {
					animating = false;
				}
			}
			return false;
		});
	}
};

jQuery.fn.newsPageSummary = function( settings ) {
	settings = jQuery.extend({
        headline : "Top Stories",
        speed : "normal",
		slideBy : 2
    }, settings);
    return this.each(function() {
		jQuery.fn.newsPageSummary.run( jQuery( this ), settings );
    });
};
jQuery.fn.newsPageSummary.run = function( $this, settings ) {
	jQuery( ".javascript_css", $this ).css( "display", "none" );
	var ul = jQuery( "ul:eq(0)", $this );
	var li = ul.children();
	if ( li.length > settings.slideBy ) {
		var $next = jQuery( ".news_page_news_next_button > a" );
		var $back = jQuery( ".news_page_news_back_button > a" );
		var liWidth = jQuery( li[0] ).width();
		var animating = false;
		ul.css( "width", ( li.length * liWidth ) );
		$next.click(function() {
			if ( !animating ) {
				animating = true;
				offsetLeft = parseInt( ul.css( "left" ) ) - ( liWidth * settings.slideBy );
				if ( offsetLeft + ul.width() > 0 ) {
					//$back.css( "display", "block" );
					ul.animate({
						left: offsetLeft
					}, settings.speed, function() {
						if ( parseInt( ul.css( "left" ) ) + ul.width() <= liWidth * settings.slideBy ) {
							//$next.css( "display", "none" );
						}
						animating = false;
					});
				} else {
					animating = false;
				}
			}
			return false;
		});
		$back.click(function() {
			if ( !animating ) {
				animating = true;
				offsetRight = parseInt( ul.css( "left" ) ) + ( liWidth * settings.slideBy );
				if ( offsetRight + ul.width() <= ul.width() ) {
					//$next.css( "display", "block" );
					ul.animate({
						left: offsetRight
					}, settings.speed, function() {
						if ( parseInt( ul.css( "left" ) ) == 0 ) {
							//$back.css( "display", "none" );
						}
						animating = false;
					});
				} else {
					animating = false;
				}
			}
			return false;
		});
	}
};

jQuery.fn.newsPageSummaryPaged = function( settings ) {
	settings = jQuery.extend({
        headline : "Top Stories",
        speed : "normal",
		slideBy : 2
    }, settings);
    return this.each(function() {
		jQuery.fn.newsPageSummaryPaged.run( jQuery( this ), settings );
    });
};
jQuery.fn.newsPageSummaryPaged.run = function( $this, settings ) {
	var ul = jQuery( "ul:eq(0)", $this );
	var li = ul.children();
	//alert(newsScrollerPage);
	if ( li.length > settings.slideBy ) {
		var liWidth = jQuery( li[0] ).width();
		var animating = false;
		ul.css( "width", ( li.length * liWidth ) );
		if (newsScrollerPage > 1 && firstTimeToPage == true) {
			firstTimeToPage = false;
			if ( !animating ) {
				animating = true;
				offsetLeft = parseInt( ul.css( "left" ) ) - ( liWidth * (settings.slideBy) * (newsScrollerPage - 1));
				if ( offsetLeft + ul.width() > 0 ) {
					//$back.css( "display", "block" );
					ul.animate({
						left: offsetLeft
					}, soFastYouDontSeeItMove,  almostInvisible, function() {
						if ( parseInt( ul.css( "left" ) ) + ul.width() <= (liWidth * settings.slideBy) * (newsScrollerPage - 1)) {
							//$next.css( "display", "none" );
						}
						animating = false;
					});
				} else {
					animating = false;
				}
			}
		}
		$j('#news_page_summary').css("visibility", "visible");
		var $next = jQuery( ".news_page_news_next_button > a" );
		var $back = jQuery( ".news_page_news_back_button > a" );
		$next.click(function() {
			if ( !animating ) {
				animating = true;
				offsetLeft = parseInt( ul.css( "left" ) ) - ( liWidth * settings.slideBy);
				if ( offsetLeft + ul.width() > 0 ) {
					//$back.css( "display", "block" );
					ul.animate({
						left: offsetLeft
					}, settings.speed, function() {
						if ( parseInt( ul.css( "left" ) ) + ul.width() <= liWidth * settings.slideBy) {
							//$next.css( "display", "none" );
						}
						animating = false;
					});
				} else {
					animating = false;
				}
			}
			return false;
		});
		$back.click(function() {
			if ( !animating ) {
				animating = true;
				offsetRight = parseInt( ul.css( "left" ) ) + ( liWidth * settings.slideBy );
				if ( offsetRight + ul.width() <= ul.width() ) {
					//$next.css( "display", "block" );
					ul.animate({
						left: offsetRight
					}, settings.speed, function() {
						if ( parseInt( ul.css( "left" ) ) == 0 ) {
							//$back.css( "display", "none" );
						}
						animating = false;
					});
				} else {
					animating = false;
				}
			}
			return false;
		});
	}
};


jQuery.fn.landingPageHotpics = function( settings ) {
	settings = jQuery.extend({
        headline : "Top Stories",
        speed : "normal",
		slideBy : 2
    }, settings);
    return this.each(function() {
		jQuery.fn.landingPageHotpics.run( jQuery( this ), settings );
    });
};
jQuery.fn.landingPageHotpics.run = function( $this, settings ) {
	jQuery( ".javascript_css", $this ).css( "display", "none" );
	var ul = jQuery( "ul:eq(0)", $this );
	var li = ul.children();
	if ( li.length > settings.slideBy ) {
		var $next = jQuery( ".landing_page_hotpics_next_button > a" );
		var $back = jQuery( ".landing_page_hotpics_back_button > a" );
		var liWidth = jQuery( li[0] ).width();
		var animating = false;
		ul.css( "width", ( li.length * liWidth ) );
		$next.click(function() {
		if ( !animating ) {
				animating = true;
				offsetLeft = parseInt( ul.css( "left" ) ) - ( liWidth * settings.slideBy );
				if ( offsetLeft + ul.width() > 0 ) {
					//$back.css( "display", "block" );
					ul.animate({
						left: offsetLeft
					}, settings.speed, function() {
						if ( parseInt( ul.css( "left" ) ) + ul.width() <= liWidth * settings.slideBy ) {
							//$next.css( "display", "none" );
						}
						animating = false;
					});
				} else {
					animating = false;
				}
			}
			return false;
		});
		$back.click(function() {
			if ( !animating ) {
				animating = true;
				offsetRight = parseInt( ul.css( "left" ) ) + ( liWidth * settings.slideBy );
				if ( offsetRight + ul.width() <= ul.width() ) {
					//$next.css( "display", "block" );
					ul.animate({
						left: offsetRight
					}, settings.speed, function() {
						if ( parseInt( ul.css( "left" ) ) == 0 ) {
							//$back.css( "display", "none" );
						}
						animating = false;
					});
				} else {
					animating = false;
				}
			}
			return false;
		});
	}
};

jQuery.fn.landingPageScreenRoom = function( settings ) {
	settings = jQuery.extend({
        headline : "Top Stories",
        speed : "normal",
		slideBy : 2
    }, settings);
    return this.each(function() {
		jQuery.fn.landingPageScreenRoom.run( jQuery( this ), settings );
    });
};
jQuery.fn.landingPageScreenRoom.run = function( $this, settings ) {
	jQuery( ".javascript_css", $this ).css( "display", "none" );
	var ul = jQuery( "ul:eq(0)", $this );
	var li = ul.children();
	if ( li.length > settings.slideBy ) {
		var $next = jQuery( ".landing_page_screenroom_next_button > a" );
		var $back = jQuery( ".landing_page_screenroom_back_button > a" );
		var liWidth = jQuery( li[0] ).width();
		var animating = false;
		ul.css( "width", ( li.length * liWidth ) );
		$next.click(function() {
			if ( !animating ) {
				animating = true;
				offsetLeft = parseInt( ul.css( "left" ) ) - ( liWidth * settings.slideBy );
				if ( offsetLeft + ul.width() > 0 ) {
					//$back.css( "display", "block" );
					ul.animate({
						left: offsetLeft
					}, settings.speed, function() {
						if ( parseInt( ul.css( "left" ) ) + ul.width() <= liWidth * settings.slideBy ) {
							//$next.css( "display", "none" );
						}
						animating = false;
					});
				} else {
					animating = false;
				}
			}
			return false;
		});
		$back.click(function() {
			if ( !animating ) {
				animating = true;
				offsetRight = parseInt( ul.css( "left" ) ) + ( liWidth * settings.slideBy );
				if ( offsetRight + ul.width() <= ul.width() ) {
					//$next.css( "display", "block" );
					ul.animate({
						left: offsetRight
					}, settings.speed, function() {
						if ( parseInt( ul.css( "left" ) ) == 0 ) {
							//$back.css( "display", "none" );
						}
						animating = false;
					});
				} else {
					animating = false;
				}
			}
			return false;
		});
	}
};