/* slider with index */
$.fn.slideShow = function(o) {
    o = o || {};
    return this.each(function() {
        var onShowCallback = o.onShow;
        var onHideCallback = o.onHide;
        var slideShow = $(this);
        var p = slideShow.parent();
        var index = $(o.index || "div.slideShowIndex",p); //slideShow.next
        var slideShowTimer = null;
        var current = null;
        var current_but = null;
        var current_index = 0;
        var counter = 0;
        var time = o.time || 10000;
        var IsMouseOver = false; //true if mouse is over the entire box
        var IsSwitching = false; //true if in process of switching from one slide to the next
        var liSet = slideShow.children("li");
        var winIsLoaded = false; //when the window has finished loading, the variable is set to true
        var shouldGoToNext = false; //notification that the timer wants to show the next item but it waits for the page to load
        if (liSet.length > 0)
            $(liSet[0]).show();
        if (liSet.length < 2) {
            liSet.show();
            if (onShowCallback)
                onShowCallback(liSet, current_index);
            return;
        }
        function setTimer() {
            shouldGoToNext = true;
            if (winIsLoaded)
                doSlideShow();
            //return setTimeout(fn, t_interval);
            //return null;
        }
        function hide() {
            if (onHideCallback)
                onHideCallback(current, current_index);
            if (current) current.hide();
            if (current_but) current_but.removeClass("selected");
        }
        function next(nextL, nextB, nextI) {
            current = nextL;
            current_but = nextB;
            current_index = nextI;
        }
        function show() {
            if (slideShowTimer)
                clearTimeout(slideShowTimer);
            current_but.addClass("selected");
            current.show();
            if (onShowCallback)
                onShowCallback(current, current_index);
            //don't set the timer if mouse is over the big div
            if (IsMouseOver)
                slideShowTimer = null;
            else
                slideShowTimer = setTimeout(setTimer, time);
        }
        function switchToNext(nextL, nextB, nextI) {
            if (IsSwitching) return; //don't do a thing if already in the process of switching
            IsSwitching = true; //is in process of switching to another slide
            var isIE = false;
            if ($.browser.msie || (navigator && navigator.appName && navigator.appName.browserName == "Microsoft Internet Explorer")) {
                isIE = true;
            }
            try {
                if (isIE) {
                    hide();
                    next(nextL, nextB, nextI);
                    show();
                    IsSwitching = false; //switch has ended
                } else if (current) {
                    current.fadeOut("slow", function() {
                        hide();
                        next(nextL, nextB, nextI);
                        current.fadeIn("slow", function() {
                            //fix for IE 7 when choosing to use fade
                            //if ($.browser.msie) this.style.removeAttribute('filter');
                            show();
                            IsSwitching = false; //switch has ended
                        });
                    });
                } else {
                    next(nextL, nextB, nextI);
                    current.fadeIn("slow", function() {
                        //fix for IE 7 when choosing to use fade
                        //if ($.browser.msie) this.style.removeAttribute('filter');
                        show();
                        IsSwitching = false; //switch has ended
                    });
                }
            } catch (e) {
                IsSwitching = false; //switch has ended
                alert("Error while switching to next slide, message: " + e.message);
            }
        }
        function onMouseEnter() {
            IsMouseOver = true;
            //on mouse enter over the slideshow div stop the timer for the slideshow
            if (slideShowTimer) {
                clearTimeout(slideShowTimer);
                slideShowTimer = null;
            }
        }
        function onMouseLeave() {
            if (slideShowTimer)
                clearTimeout(slideShowTimer);
            slideShowTimer = setTimeout(setTimer, time);
            IsMouseOver = false;
            //$("div.mouseOutInfo").text(++mouseOutCount);
            //alert("mouse out!");
        }
        var bIsFirst = true;
        liSet.each(function() {
            var li = $(this);
            if (bIsFirst) {
                bIsFirst = false;
                li.show();
            } else
                li.hide();
            var but = document.createElement("div");
            index.get(0).appendChild(but);
            but = $(but);
            but.html("" + (counter + 1));
            var cIndex = counter;
            but.click(function(e) {
                if (current_index != cIndex)
                //if (current && current != li)
                    switchToNext(li, $(e.target), cIndex);
            }).mouseenter(onMouseEnter).mouseleave(onMouseLeave);
            counter++;
        });
        var mouseOutCount = 0;
        slideShow.mouseenter(onMouseEnter).mouseleave(onMouseLeave);
        //switch between the visible items once each 5 seconds
        function doSlideShow() {
            var buttons = index.children("div");
            var i, next_i = 0;
            for (i = 0; i < buttons.length; i++)
                if ($(buttons[i]).hasClass("selected")) {
                next_i = ((i + 1) % buttons.length);
                break;
            }
            switchToNext($(liSet[next_i]), $(buttons[next_i]), next_i);
        }
        $.windowLoaded(function() {
            //before starting the slideshow, going to the second item and so on,
            //first make sure that the page is fully loaded
            winIsLoaded = true;
            if (shouldGoToNext) doSlideShow();
        });
        doSlideShow();
        //slideShowTimer = setTimeout(doSlideShow, 100);
    });
}

function isBool(s) { return (/^\s*(true)|(yes)|1|(random)|(randomStart)\s*$/i).test(s); }
/* slider with paging */
$.fn.horizSlider = function(o){
	o = o || {};
	return this.each(function() {
		var slider = $(this);
		var paging = slider.next(o.paging||"div.horizSliderPaging");
		var butPrev = paging.find(o.prev||"div.horizSliderPagePrev");
		var butNext = paging.find(o.next||"div.horizSliderPageNext");
		var clsHorizSliderPagePrevActive = (o.clsPrevA||"horizSliderPagePrevActive");
		var clsHorizSliderPageNextActive = (o.clsNextA||"horizSliderPageNextActive");
		var onShowCallback = o.onShow || function(){};
		var onHideCallback = o.onHide || function(){};
		var speed = o.speed || 1500;
		var randomStart = o.randomStart || false;
		var attrRandomStart = slider.attr("randomStart");
		if ( attrRandomStart )
            randomStart = isBool(attrRandomStart);
	
		var liSet = slider.children("li");
		var liCount = liSet.length;
		var currentIndex = (randomStart?Math.floor(Math.random()*liCount):0); //random start position //0;
		onShowCallback($(liSet[currentIndex]).show(),currentIndex);
		if (liCount <=1) {
            paging.hide();
			return;
		}
		function skipTo(nextIndex) {
		    var nextIndex = nextIndex%liCount;
		    if ( nextIndex == currentIndex ) return;
			var direction = (nextIndex>currentIndex?1:-1);
			var cLi = $(liSet[currentIndex]);
			var nLi = $(liSet[nextIndex]);
			var liWidth = cLi.width();
			nLi.css("left",(direction*liWidth)+"px");
			nLi.show();
			onShowCallback(nLi,nextIndex);
			liSet.stop(false, true);
			var prevCurrentIndex = currentIndex;
			currentIndex = nextIndex;
			if ( currentIndex == 0 )
				butPrev.removeClass(clsHorizSliderPagePrevActive);
			else
				butPrev.addClass(clsHorizSliderPagePrevActive);
			if ( currentIndex == liCount-1 )
				butNext.removeClass(clsHorizSliderPageNextActive);
			else
				butNext.addClass(clsHorizSliderPageNextActive);
		    cLi.animate({ left: ((-1)*direction*liWidth)+"px"}, speed, "swing", function(){ 
			    onHideCallback(cLi,prevCurrentIndex);
			});
			nLi.animate({ left: "0px"}, speed, "swing");
		}
		function moveNext(step) {
		    if ( !step ) step = 1;
			var nextIndex = (currentIndex+step)%liCount;
			skipTo(nextIndex);
		}
		butNext.click(function(){if ( butNext.hasClass(clsHorizSliderPageNextActive) ) moveNext()});
		butPrev.click(function(){if ( butPrev.hasClass(clsHorizSliderPagePrevActive) ) moveNext(-1)});
		if ( currentIndex > 0 )
      butPrev.addClass(clsHorizSliderPagePrevActive);
    if ( currentIndex < liCount-1 )
      butNext.addClass(clsHorizSliderPageNextActive);
        slider.data("horizSlider",{skipTo:skipTo});
	});
}

/* make tabs */
$.fn.makeTabs1 = function(o){
	o = o || {};
  return this.each(function() {
    var root = $(this);
    var TabsClass = o.tabs;
    var onShowCallback = o.onShow;
    var TabContentsClass = o.contents;
    var currentClass = o.current;
    var contentClass = o.content;
    var tabClass = o.tab;
    var index= o.index;
    var curIndex = o.curIndex;
    if(!o.index) index = 0;
    if(!o.curIndex) curIndex = 0;
    var contents = root.find(TabContentsClass+">li");
    function show(noFadeIn) {
      var curTabLi = $(contents.get(curIndex));
      var curTabContent = $(curTabLi.find(contentClass));
      var curTab = $(tabs.get(curIndex));
      if ( noFadeIn )
        curTabLi.show();
      else
        curTabLi.fadeIn('slow');
      curTab.addClass(currentClass);
      if ( onShowCallback )
        onShowCallback(curTab, curTabContent);
    }
    contents.each(function(){
      var lIndex = index++;
      var Tab = $(this).find(tabClass);
      Tab.click(function(){
        if (lIndex < contents.size() && lIndex != curIndex) {
          $(contents.get(curIndex)).fadeOut(function(){
            $(tabs.get(curIndex)).removeClass(currentClass);
            curIndex = lIndex;
            show();
          });
        }
      })
      Tab.detach();
      $('<li></li>').appendTo(root.find(TabsClass)).append(Tab);
      $(this).hide();
    })
    var tabs = root.find(TabsClass+">li "+tabClass);
    show(true);
  })
}

$.urlParam = function(name) {
    var results = new RegExp('[\\?&]' + name + '=([^&#]*)').exec(window.location.href);
    if (!results) { return 0; }
    return results[1] || 0;
}

$.fn.makeTabs2 = function(o){
	o = o || {};
	if ( !o.tabs || !o.contents )
    return {};
  return this.each(function() {
    var root = $(this);
    var liTabs = root.find(o.tabs);
    var onShowCallback = o.onShow;
    var liTabContents = root.find(o.contents);
    var index=0;
    var curIndex = o.activeIndex||0;
    function show(noFadeIn) {
      var curTabContent = $(liTabContents[curIndex]);
      var curTab = $(liTabs[curIndex]);
      if ( noFadeIn )
        curTabContent.show(function(){
          if ( onShowCallback ) onShowCallback(curTab, curTabContent);
        });
      else
        if ($.browser.msie) {
            curTabContent.show();
        }
        curTabContent.fadeIn('slow', function(){
          if ( onShowCallback ) onShowCallback(curTab, curTabContent);
        });
      curTab.addClass("current");
    }
    liTabs.each(function(){
      var liIndex = index++;
      var liTab = $(this);
      if ( liIndex!=curIndex ) {
        //hide the rest but the first
        $(liTabContents[liIndex]).hide();
      }
      liTab.click(function(){
        if (liIndex < liTabContents.size() && liIndex != curIndex) {
          if ($.browser.msie) {
              $(liTabContents[curIndex]).hide();
          }
          $(liTabContents[curIndex]).fadeOut(function(){
            $(liTabs[curIndex]).removeClass("current");
            curIndex = liIndex;
            show();
          });
        }
      })
    })
    show(true);
  });
}