/*
 * 	Easy Slider - jQuery plugin
 *	written by Alen Grakalic	
 *	http://cssglobe.com/post/3783/jquery-plugin-easy-image-or-content-slider
 *
 *	Copyright (c) 2009 Alen Grakalic (http://cssglobe.com)
 *	Dual licensed under the MIT (MIT-LICENSE.txt)
 *	and GPL (GPL-LICENSE.txt) licenses.
 *
 *	Built for jQuery library
 *	http://jquery.com
 *
 */
 
/*
 *	markup example for $("#images").easySlider();
 *	
 * 	<div id="images">
 *		<ul>
 *			<li><img src="images/01.jpg" alt="" /></li>
 *			<li><img src="images/02.jpg" alt="" /></li>
 *			<li><img src="images/03.jpg" alt="" /></li>
 *			<li><img src="images/04.jpg" alt="" /></li>
 *			<li><img src="images/05.jpg" alt="" /></li>
 *		</ul>
 *	</div>
 *
 */
 
 
 

(function($) {

	$.fn.easySlider = function(options){
	  
		// default configuration properties
		var defaults = {
			prevId: 		'prevBtn',
			prevText: 		'Previous',
			nextId: 		'nextBtn',	
			nextText: 		'Next',
			first: 			true,
			orientation:	'', //  'vertical' is optional;
			speed: 			800			
		}; 
		
		var options = $.extend(defaults, options);  
		
		return this.each(function() {
			obj = $(this);
			var s = $("li", obj).length;
			var w = obj.width();
			var h = obj.height();
			var ts = s-1;
			var n = getUrlVars()["n"]; 
			var t = 0;
			if(n>0) {
				var t = n-1;
			} 
			var vertical = (options.orientation == 'vertical');
			$("ul", obj).css('width',s*w);
			if(!vertical) $("li", obj).css('float','left');

			if(options.first==true) {
				$("ul", obj).animate({ paddingLeft: 0 }, options.speed);
			}


			$(obj).after('<a href=\"#\" id="'+ options.prevId +'">'+ options.prevText +'</a> <a href=\"javascript:void(0);\" id="'+ options.nextId +'">'+ options.nextText +'</a>');
			//$("#"+options.prevId).hide();
			//$("#"+options.nextId).hide();
			$("#"+options.nextId).click(function(){
				animate("next");
				if (t>=ts) $(this).hide();
				$("#"+options.prevId).show();
			});
			$("#"+options.prevId).click(function(){		
				animate("prev");
				if (t<=0) $(this).hide();
				$("#"+options.nextId).show();
			});
			function animate(dir){
				if(dir == "next"){
					t = (t>=ts) ? ts : t+1;
				} else {
					t = (t<=0) ? 0 : t-1;
				};							
				if(!vertical) {
					p = (t*w*-1);
					$("ul",obj).animate(
						{ marginLeft: p }, 
						options.speed
					);
				} else {
					p = (t*h*-1);
					$("ul",obj).animate(
						{ marginTop: p }, 
						options.speed
					);
				}
				
			};
			if(s>1) $("#"+options.nextId).fadeIn();

		});

	};

})(jQuery);

/* 
(function($) {

	$.fn.easySlider = function(options){
	  
		// default configuration properties
		var defaults = {			
			prevId: 		'prevBtn',
			prevText: 		'Previous',
			nextId: 		'nextBtn',	
			nextText: 		'Next',
			controlsShow:	true,
			controlsBefore:	'',
			controlsAfter:	'',	
			controlsFade:	true,
			firstId: 		'firstBtn',
			firstText: 		'First',
			firstShow:		false,
			lastId: 		'lastBtn',	
			lastText: 		'Last',
			lastShow:		false,				
			vertical:		false,
			speed: 			800,
			auto:			false,
			pause:			2000,
			continuous:		false
		}; 
		
		var options = $.extend(defaults, options);  
				
		this.each(function() {  
			var obj = $(this); 				
			var s = $("li", obj).length;
			var w = $("li", obj).width(); 
			var h = $("li", obj).height(); 
			obj.width(w); 
			obj.height(h); 
			obj.css("overflow","hidden");
			var ts = s-1;
			var n = getUrlVars()["n"]; 
			var t = 0;
			if(n>0) {
				t = n-1;
			} 
			$("ul", obj).css('width',s*w);			
			if(!options.vertical) $("li", obj).css('float','left');
			
			if(options.controlsShow){
				var html = options.controlsBefore;
				if(options.firstShow) html += '<span id="'+ options.firstId +'"><a href=\"javascript:void(0);\">'+ options.firstText +'</a></span>';
				html += ' <span id="'+ options.prevId +'"><a href=\"javascript:void(0);\">'+ options.prevText +'</a></span>';
				html += ' <span id="'+ options.nextId +'"><a href=\"javascript:void(0);\">'+ options.nextText +'</a></span>';
				if(options.lastShow) html += ' <span id="'+ options.lastId +'"><a href=\"javascript:void(0);\">'+ options.lastText +'</a></span>';
				html += options.controlsAfter;						
				$(obj).after(html);										
			};
	
			$("a","#"+options.nextId).click(function(){		
				animate("next",true);
			});
			$("a","#"+options.prevId).click(function(){		
				animate("prev",true);				
			});	
			$("a","#"+options.firstId).click(function(){		
				animate("first",true);
			});				
			$("a","#"+options.lastId).click(function(){		
				animate("last",true);				
			});		
			
			function animate(dir,clicked){
				var ot = t;				
				switch(dir){
					case "next":
						t = (ot>=ts) ? (options.continuous ? 0 : ts) : t+1;						
						break; 
					case "prev":
						t = (t<=0) ? (options.continuous ? ts : 0) : t-1;
						break; 
					case "first":
						t = 0;
						break; 
					case "last":
						t = ts;
						break; 
					default:
						break; 
				};	
				
				var diff = Math.abs(ot-t);
				var speed = diff*options.speed;						
				if(!options.vertical) {
					p = (t*w*-1);
					$("ul",obj).animate(
						{ marginLeft: p }, 
						speed
					);				
				} else {
					p = (t*h*-1);
					$("ul",obj).animate(
						{ marginTop: p }, 
						speed
					);					
				};
				
				if(!options.continuous && options.controlsFade){					
					if(t==ts){
						$("a","#"+options.nextId).hide();
						$("a","#"+options.lastId).hide();
					} else {
						$("a","#"+options.nextId).show();
						$("a","#"+options.lastId).show();					
					};
					if(t==0){
						$("a","#"+options.prevId).hide();
						$("a","#"+options.firstId).hide();
					} else {
						$("a","#"+options.prevId).show();
						$("a","#"+options.firstId).show();
					};					
				};				
				
				if(clicked) clearTimeout(timeout);
				if(options.auto && dir=="next" && !clicked){;
					timeout = setTimeout(function(){
						animate("next",false);
					},diff*options.speed+options.pause);
				};
				
			};
			// init
			var timeout;
			if(options.auto){;
				timeout = setTimeout(function(){
					animate("next",false);
				},options.pause);
			};		
		
			if(!options.continuous && options.controlsFade){					
				$("a","#"+options.prevId).hide();
				$("a","#"+options.firstId).hide();				
			};				
			
		});
	  
	};

})(jQuery);
 */

$(document).ready(function(){ 
	
	/* Easy Slider */
	$("#slider").easySlider({
		//auto: true,
		continuous: true 
	});
	/*$("#nextBtn").hover(
	  function () {$(this).css("background-image","url(images/nextBtn_hover.png)").css('cursor','pointer'); }, 
	  function () {$(this).css("background-image","url(images/nextBtn_up.png)");});
	$("#prevBtn").hover(
	  function () {$(this).css("background-image","url(images/prevBtn_hover.png)").css('cursor','pointer'); }, 
	  function () {$(this).css("background-image","url(images/prevBtn_up.png)");});*/
	$("#nextBtn,#prevBtn").click(function () { 
		$(this).css("cursor","pointer");
		return false;
	});
	/* // Easy Slider */
		
}); 

function getUrlVars() {
	    var vars = {};
	    var parts = window.location.href.replace(/[?&]+([^=&]+)=([^&]*)/gi, function(m,key,value) {
	        vars[key] = value;
	    });
	    return vars;
	}
