/* ------------------------------------------------------------------------
 Modified by Web Studio
 original idea by http://www.serie3.info/
 ------------------------------------------------------------------------- */
(function($){

    $.fn.WSSlider = function(vars){
		var showDescription = (vars.showDescription != undefined) ? vars.showDescription : true;
		var spanName = (vars.spanName != undefined) ? vars.spanName : 'description';
        var element = this;
        var timeOut = (vars.timeOut != undefined) ? vars.timeOut : 4000;
		var slideTime = timeOut / 6;
        var current = null;
        var timeOutFn = null;
        var faderStat = true;
        var mOver = false;
        var items = $(element).find('li');
        var itemsSpan = $(element).find('li .' + spanName +'');
        
		var hideDescription = function(){
			if(!showDescription)
				for(i = 0; i <= itemsSpan.length; i++)				
					$(itemsSpan[i]).css("visibility", "hidden");
		}
		
        items.each(function(i){
            $(items[i]).mouseover(function(){
                mOver = true;
            });
            
            $(items[i]).mouseout(function(){
                mOver = false;
                fadeElement(true);
            });
            
        });
        
        var fadeElement = function(isMouseOut){
            var thisTimeOut = (isMouseOut) ? (slideTime) : timeOut;
            thisTimeOut = (faderStat) ? 10 : thisTimeOut;
            if (items.length > 2)
                timeOutFn = setTimeout(makeSlider, thisTimeOut);
        }
        
        var makeSlider = function(){
			hideDescription();
            current = (current != null) ? current : items[(items.length - 1)];
            var currNo = jQuery.inArray(current, items) + 1
            currNo = (currNo == items.length) ? 0 : (currNo - 1);
            var newMargin = $(element).width() * currNo;
				
            if (faderStat == true) {
                if (!mOver) {
                
                    $(items[currNo]).fadeIn((slideTime), function(){
                        if ($(itemsSpan[currNo]).css('bottom') == 0) {
                            $(itemsSpan[currNo]).slideUp((slideTime), function(){
                                faderStat = false;
                                current = items[currNo];
                                if (!mOver)
                                    fadeElement(false);
                            });
                        }
                        else {
                            $(itemsSpan[currNo]).slideDown((slideTime), function(){
                                faderStat = false;
                                current = items[currNo];
                                if (!mOver)
                                    fadeElement(false);
                            });
                        }
                    });
                }
            }
            else {
                if (!mOver) {
                    if ($(itemsSpan[currNo]).css('bottom') == 0) {
                        $(itemsSpan[currNo]).slideDown((slideTime), function(){
                            $(items[currNo]).fadeOut((slideTime), function(){
                                faderStat = true;
                                current = items[(currNo + 1)];
                                if (!mOver)
                                    fadeElement(false);
                            });
                        });
                    }
                    else {
                        $(itemsSpan[currNo]).slideUp((slideTime), function(){
                            $(items[currNo]).fadeOut((slideTime), function(){
                                faderStat = true;
                                current = items[(currNo + 1)];
                                if (!mOver)
                                    fadeElement(false);
                            });
                        });
                    }
                }
            }
        }
		if( element.length != 0 )
       		makeSlider();
    };
    
})(jQuery);