/*

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

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

*/

jQuery.fn.accessNews = function( settings ) {
	settings = jQuery.extend({
        headline : "Top Stories",
        speed : "normal",
		slideBy : 2,
		auto : "on"
    }, settings);
    return this.each(function() {
		jQuery.fn.accessNews.run( jQuery( this ), settings );
    });
};
jQuery.fn.accessNews.run = function( $this, settings ) {
	jQuery( ".javascript_css", $this ).css( "display", "none" );
	var ul = jQuery( "ul:eq(0)", $this );
	var li = ul.children();
	
	var falg = false;
	if ( li.length > settings.slideBy ) {
		var $next = jQuery( ".next > a", $this );
		var $back = jQuery( ".back > a", $this );
		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;
		});
		
		
			
		
		$next.css( "display", "block" );
		
	}
};


//--------------------------------------------


jQuery.fn.slidescroll = function( settings ) {
	settings = jQuery.extend({
        headline : "Top Stories",
        speed : "normal",
		slideBy : 2,
		auto : "on"
    }, settings);
    return this.each(function() {
		jQuery.fn.slidescroll.run( jQuery( this ), settings );
    });
};
jQuery.fn.slidescroll.run = function( $this, settings ) {
	jQuery( ".javascript_css", $this ).css( "display", "none" );
	var ul = jQuery( "ul:eq(0)", $this );
	var li = ul.children();
	
	var falg = false;
	if ( li.length > settings.slideBy ) {
		var $next = jQuery( ".next > a", $this );
		var $back = jQuery( ".back > a", $this );
		var liWidth = jQuery( li[0] ).width();
		var animating = false;
		// if click on next or back don`t go to automatic slide change
		var myflag = false;
		
		ul.css( "width", ( li.length * liWidth ) );
		$next.click(function() {
			myflag = true;
			
			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;
		});
		

		
		// auto go next slide
		
		if (settings.auto == "on"){	
		setInterval(function change_slide(){
			if ( myflag == false ) {
				offsetLeft = parseInt( ul.css( "left" ) ) - ( liWidth * settings.slideBy );
				
				if ( offsetLeft + ul.width() == 0 ) {
					//ul.animate({
					//	left: 0
					//}, settings.speed, function() {
					//		if ( parseInt( ul.css( "left" ) ) == 0 ) {
					//			$back.css( "display", "none" );
					//		}
					//}); 
					ul.css( "left",0 )
					$back.css( "display", "none" );
					$next.css( "display", "block" );
				}
				else
				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" );
						}
					});
				} 
				else 
				{
				// auto go back slide
					offsetRight = parseInt( ul.css( "left" ) ) + ( liWidth * settings.slideBy );
						$next.css( "display", "block" );
						ul.animate({
							left: offsetRight
						}, settings.speed, function() {
							if ( parseInt( ul.css( "left" ) ) == 0 ) {
								$back.css( "display", "none" );
							}
					});
				}
			}
			myflag = false ;
			}, 5000);
		}
	
		$back.click(function() {
			myflag = true ;
			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;
		});
		
		
			
		
		$next.css( "display", "block" );
		
	}
};