/*

	Author:
	Orkan Köylü created from Brian Reindel, Accessible News Slider;

	Created : September-03-05

	$(function() {
		$( "#slider-konut" ).SlideItems({
			speed : "normal",
			slideBy : 5
		});
	});

*/

jQuery.fn.SlideItems = function( settings ) {
	settings = jQuery.extend({
        headline : "",
        speed : "normal",
		slideBy : 2
    }, settings);
    return this.each(function() {
		jQuery.fn.SlideItems.run( jQuery( this ), settings );
    });
};
jQuery.fn.SlideItems.run = function( $this, settings ) {

	var ul = jQuery( "ul:eq(0)", $this );
	var li = ul.children();
	if ( li.length > settings.slideBy ) {
		var $next = jQuery( ".nextBtn > a" );
		var $back = jQuery( ".prevBtn > a" );
		//$back.animate({opacity: 0.5}, "slow");
		//$back.css( "cursor", "none" );

		var liWidth = jQuery( li[0] ).width();
		liWidth = 153;
		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" )
	}
};