/*!
 * slideViewerPro 1.0
 * Examples and documentation at: 
 * http://www.gcmingati.net/wordpress/wp-content/lab/jquery/svwt/
 * 2009 Gian Carlo Mingati
 * Version: 1.0.4 (12-AUGUST-2009)
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
 * Requires:
 * jQuery v1.3.2 or later
 * Option:
 * jQuery Timers plugin | plugins.jquery.com/project/timers (for autoslide mode)
 * 
 */
jQuery.extend( jQuery.easing, // from the jquery.easing plugin
{
	easeInOutExpo: function (x, t, b, c, d) {
		if (t==0) return b;
		if (t==d) return b+c;
		if ((t/=d/2) < 1) return c/2 * Math.pow(2, 10 * (t - 1)) + b;
		return c/2 * (-Math.pow(2, -10 * --t) + 2) + b;
	}
});
jQuery(function(){
   jQuery("div.svwp").prepend("<img src='../img/svwloader.gif' class='ldrgif' alt='loading...'/ >"); //change with YOUR loader image path   
});
var j = 0;
jQuery.fn.slideViewerPro = function(settings) {
	  settings = jQuery.extend({
			galBorderWidth: 6,
			thumbsTopMargin: 3, 
			thumbsRightMargin: 3,
			thumbsBorderWidth: 3,
			buttonsWidth: 20,
			galBorderColor: "#ff0000",
			thumbsBorderColor: "#d8d8d8",
			thumbsActiveBorderColor: "#ff0000",
			buttonsTextColor: "#ff0000",
			thumbsBorderOpacity: 1.0, // could be 0, 0.1 up to 1.0
			thumbsActiveBorderOpacity: 1.0, // could be 0, 0.1 up to 1.0
			easeTime: 750,
			asTimer: 6000,
			thumbs: 5,
			thumbsPercentReduction: 12,
			thumbsVis: true,
			easeFunc: "easeInOutExpo",
			leftButtonInner: "-", //could be an image "<img src='images/larw.gif' />" or an escaped char as "&larr";
			rightButtonInner: "+", //could be an image or an escaped char as "&rarr";
			autoslide: false,
			typo: false,
			typoFullOpacity: 0.9,
			shuffle: false
		}, settings);
		
	return this.each(function(){
		function shuffle(a) {
	    var i = a.size();
	    while (--i) {
	        var j = Math.floor(Math.random() * (i));
	        var tmp = a.slice(i, i+1);
	        a.slice(j, j+1).insertAfter(tmp);
	    }
		} 
		var container = jQuery(this);
		(!settings.shuffle) ? null : shuffle(container.find("li"));
		container.find("img.ldrgif").remove();
		container.removeClass("svwp").addClass("slideViewer");	
		container.attr("id", "svwp"+j);
		var pictWidth = container.find("img").width();
		var pictHeight = container.find("img").height();
		var pictEls = container.find("li").size();
		var slideViewerWidth = pictWidth*pictEls;
		var thumbsWidth = Math.round(pictWidth*settings.thumbsPercentReduction/100);
		var thumbsHeight =  Math.round(pictHeight*settings.thumbsPercentReduction/100);
		var pos = 0;
		var r_enabled = true;
		var l_enabled = true;
    container.find("ul").css("width" , slideViewerWidth)
    .wrap(jQuery("<div style='width:"+ pictWidth +"px; overflow: hidden; position: relative; top: 0; left: 0'>"));
		container.css("width" , pictWidth);
		container.css("height" , pictHeight);
		container.each(function(i) {
			jQuery(this).after("<div class='stripTransmitter' id='stripTransmitter" + (j) + "'><ul><\/ul><\/div>");
			jQuery(this).find("li").each(function(n) {
						jQuery("div#stripTransmitter" + j + " ul").append("<li><a title='" + jQuery(this).find("img").attr("alt") + "' href='#'>"+(n+1)+"<\/a><\/li>");												
				});
			jQuery("div#stripTransmitter" + j + " a").each(function(z) {
				jQuery(this).bind("click", function(){

				jQuery(this).addClass("current").parent().parent().find("a").not(jQuery(this)).removeClass("current"); // wow!
				var cnt = -(pictWidth*z);
				container.find("ul").animate({ left: cnt}, settings.easeTime, settings.easeFunc);
				return false;
				   });
				});
			
			
				// next image via image click	14/01/2009
				jQuery("div#stripTransmitter" + j + " a").parent().parent().parent().prev().find("img").each(function(z) {
				jQuery(this).bind("click", function(){
					var ui 	= 	jQuery(this).parent().parent().parent().next().find("a");
					if(z+1 < pictEls){
						ui.eq(z+1).trigger("click");
					}
					else ui.eq(0).trigger("click");
				   });
				});
				
				
			jQuery("div#stripTransmitter" + j).css("width" , pictWidth);
	
			if(settings.autoslide){
					
					var i = 1;
					
					jQuery("div#stripTransmitter" + j).everyTime(settings.asTimer, "asld", function() {			
		  			jQuery(this).find("a").eq(i).trigger("click");
		  			if(i == 0)
		  			{
						pos = 0;
						l_enabled = false;
						jQuery("div#stripTransmitter" + j).find("ul:not(:animated)").animate({ left: -(thumbsWidth+settings.thumbsRightMargin)*pos}, 500, settings.easeFunc, function(){authorityMixing();});
		  			}
		  			else l_enabled = true;
		  			
						(i%settings.thumbs == 0)? jQuery(this).next().next().trigger("click") : null;
						(i < pictEls-1)?	i++ : i=0;		  			
					});		
					
					
			}
			
			});
			
		j++;

  });	
};