/*
 * 	based on Easy Slider - jQuery plugin
 *	written by Alen Grakalic	
 *	mod by Alek4u
 *
 *	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
 *
 */
 


$.fn.easySlider = function(options){
	  
		// default configuration properties
		var defaults = {
			prevId: 		'navgalindietro',
			prevText: 		'Precedente',
			nextId: 		'navgalavanti',	
			nextText: 		'Successiva',
			speed: 			800			
		}; 
		
		var options = $.extend(defaults, options);  
		$(this).width('100%')
		var wTot = $(this).width();
		return this.each(function() {
			obj = $(this);
			$(obj).addClass('script');
			$('ul',obj).addClass('script');
			var s = $("li", obj).length;    	// num elementi
			var w = $("li", obj).width()+1; 	// larghezza elemento
			var wt = 341			 	// larghezza elemento TESTO
			var elxPage=parseInt(wTot/w);		// el per pagina
			//$(obj).width(elxPage*w);		// Larghezza giusta
			var h = obj.height(); 			// altezza elemento
			var ts = s-1;				// num elementi -1
			var t = 0;
			$('ul', obj).css('left', 0); 	  	// reset
			$("ul", obj).css('width',s*w);			
			$("li", obj).css('float','left');
			$("#navigator").remove();
			$(obj).append('<span id="'+ options.prevId +'"><a href=\"javascript:void(0);\">'+ options.prevText +'</a></span><span id="'+ options.nextId +'"><a href=\"javascript:void(0);\">'+ options.nextText +'</a></span>');	
			$("a","#"+options.prevId).hide();
			$("a","#"+options.nextId).hide();
			$("a","#"+options.nextId).click(function(){		
				animate("next");
				//if (t>=ts || t>=(s-elxPage)) $(this).fadeOut();
				if (t>=ts) $(this).fadeOut();
				$("a","#"+options.prevId).fadeIn();
			});
			$("a","#"+options.prevId).click(function(){		
				animate("prev");
				if (t<=0) $(this).fadeOut();
				$("a","#"+options.nextId).fadeIn();
			});	
			function animate(dir){
				if(dir == "next"){
					t = (t>=ts) ? ts : t+1;	
				} else {
					t = (t<=0) ? 0 : t-1;
				};								
				p = (t*w*-1);
				pp = (t*wt*-1);
					$("ul",obj).animate(
						{ left: p }, 
						options.speed
					);
				        $("#slidertesti ul").animate(
						{ left: pp }, 
						options.speed
					);				
		};
			if(s>1) $("a","#"+options.nextId).fadeIn();	
		});
};