/* =========================================================

// jquery.innerfade.js

// Datum: 2008-02-14
// Firma: Medienfreunde Hofmann & Baldes GbR
// Author: Torsten Baldes
// Mail: t.baldes@medienfreunde.com
// Web: http://medienfreunde.com

// based on the work of Matt Oakes http://portfolio.gizone.co.uk/applications/slideshow/
// and Ralf S. Engelschall http://trainofthoughts.org/

 *
 *  <ul id="news"> 
 *      <li>content 1</li>
 *      <li>content 2</li>
 *      <li>content 3</li>
 *  </ul>
 *  
 *  $('#news').innerfade({ 
 *	  animationtype: Type of animation 'fade' or 'slide' (Default: 'fade'), 
 *	  speed: Fading-/Sliding-Speed in milliseconds or keywords (slow, normal or fast) (Default: 'normal'), 
 *	  timeout: Time between the fades in milliseconds (Default: '2000'), 
 *	  type: Type of slideshow: 'sequence', 'random' or 'random_start' (Default: 'sequence'), 
 * 		containerheight: Height of the containing element in any css-height-value (Default: 'auto'),
 *	  runningclass: CSS-Class which the container get’s applied (Default: 'innerfade'),
 *	  children: optional children selector (Default: null)
 *  }); 
 *
// Develop By Ratanak 2010/Jun/07
// ========================================================= */
var dMoveCon = 1;
var dMoveConArrow = 0;
var currentG = 1;
var lastG = 0;
var timeout = null;

(function($) {

    $.fn.innerfadeNews = function(options) {
        return this.each(function() {   
            $.innerfadeNews(this, options);
        });
    };
	
    $.innerfadeNews = function(container, options) {
    	
        var settings = {
        	'animationtype':    'fade',
            'speed':            'normal',
            'type':             'sequence',
            'timeout':          2000,
            'containerheight':  'auto',
            'runningclass':     'innerfade',
            'children':         null
        };
        if (options)
            $.extend(settings, options);
        if (settings.children === null)
            var elements = $(container).children();
        else
            var elements = $(container).children(settings.children);
      	var h = $(container).parent().css("height");
      	var hParent = (parseInt($(container).parent().css("height"))/2)-16;

      	//$(container).parent().append('<div class="arrow" id="wrap_arrow_left" style="margin-left:-26px;height:'+h+';width:32px;"><img style="cursor:pointer;display:none;margin-top:'+hParent+'px;" src="/_design/left_arrow.png" width="20px" height="32px" class="innerfade_arrow_hot_news" id="left"></div>');
      	//$(container).parent().append('<div class="arrow" id="wrap_arrow_right" style="height:'+h+';width:32px;"><img style="cursor:pointer;display: none;margin-top:'+hParent+'px;" src="/_design/right_arrow.png" width="20px" height="32px" class="innerfade_arrow_hot_news" id="right"></div>');
      	
      	//$('#bg_content').css("height","150px");        
          if (elements.length > 1) {
            $(container).css('position', 'relative').css('height', settings.containerheight).addClass(settings.runningclass);
            for (var i = 0; i < elements.length; i++) {
            var j = i + 1;
                $(elements[i]).css('z-index', String(elements.length-i)).css('position', 'absolute').hide();
                i+1==elements.length?$(container).parent().next().append('<span class="num_fade_hot_news">'+j+'</span>'):(i==0?$(container).parent().next().append('<span class="num_fade_hot_news selected">'+j+'</span>|'):$(container).parent().next().append('<span class="num_fade_hot_news">'+j+'</span>|'));
            };
            if (settings.type == "sequence") {
                setTimeout(function() {
                    $.innerfadeNews.next(elements, settings, 1, 0, 'next');
                }, settings.timeout);
                $(elements[0]).show();
            }	else {
							alert('Innerfade-Type must either be \'sequence\', \'random\' or \'random_start\'');
						}
				}
		$.innerfadeCheck(container,elements, settings, 1, 0);
    };
	$.innerfadeCheck = function(container, elements, settings, current, last) {
		$(container).mouseover(function(){
		dMoveCon = 0;
		});
		$(container).mouseout(function(){
		dMoveCon = 1;
		});
		$(".arrow").mouseover(function(){
			var c = $(this).children();
			$(c).css("display","block");
		});
		$(".arrow").mouseout(function(){
			var c = $(this).children();
			$(c).css("display","none");
		});
		$(".innerfade_arrow_hot_news").click(function(){
			var direct = $(this).attr('id');
			$.innerfadeGo(direct, elements, settings);
		});
		$(".num_fade_hot_news").click(function(){
			var id = parseInt($(this).html())-1;
			//alert(id);
			$.innerfade.arrow(elements, settings, id, lastG, 'next');
		});
	};
	
	$.innerfadeGo = function(direct, elements, settings) {
		if(direct == 'right'){
			$.innerfade.arrow(elements, settings, currentG, lastG, 'next');
		}else{		
		   if (currentG == 0) current = elements.length-2;
		   else if (currentG == 1) current = elements.length-1;
	       else current = currentG - 2;
			$.innerfade.arrow(elements, settings, current, lastG, 'preview');
		}		
	};
	
	$.innerfade.clearTime = function(settings) {
	
		var setTime =  settings.timeout+1400;
		if (timeout) clearTimeout(timeout);
        timeout = setTimeout((function() {
           dMoveConArrow = 1;
        }),setTime);
	};
	
	$.innerfade.number = function(elements,settings,current) {

		var ele = $(elements).parent().parent().next();
		var id = $(ele).attr('id');
		var num=0;
		current==0?num = elements.length:num = current;
		$("#"+id+" span").each(function(){
			$(this).removeClass('selected');
		});
		$("#"+id+" span:nth-child("+num+")").addClass('selected');
	};
	
	$.innerfade.arrow = function(elements, settings, current, last, direction) {
		dMoveCon = 0;
		dMoveConArrow = 0;
		$.innerfade.clearTime(settings);
        if (settings.animationtype == 'slide') {
            $(elements[last]).slideUp(settings.speed);
            $(elements[current]).slideDown(settings.speed);
        } else if (settings.animationtype == 'fade') {
            $(elements[last]).fadeOut(settings.speed);
            $(elements[current]).fadeIn(settings.speed, function() {
							removeFilter($(this)[0]);
						});
        } else
            alert('Innerfade-animationtype must either be \'slide\' or \'fade\'');
		
        if (settings.type == "sequence") {
        	
	            if ((current + 1) < elements.length) {
	                current = current + 1;
	                last = current - 1;
	                
	                currentG=current;
	                lastG=last;
	            } else {
	                current = 0;
	                last = elements.length - 1;
	                
	                currentG=current;
	                lastG=last;
	            }
	         
        } else
            alert('Innerfade-Type must either be \'sequence\', \'random\' or \'random_start\'');
         $.innerfade.number(elements, settings,current);    
         // alert('last='+last+';Current='+current)  
         var setTime =  settings.timeout+1500;
         setTimeout((function() {
           if(dMoveConArrow == 1) dMoveCon = 1;
        }),setTime);
    };
    
    $.innerfadeNews.next = function(elements, settings, current, last, direction) {
      if (dMoveCon == 1) {
        if (settings.animationtype == 'slide') {
            $(elements[last]).slideUp(settings.speed);
            $(elements[current]).slideDown(settings.speed);
        } else if (settings.animationtype == 'fade') {
            $(elements[last]).fadeOut(settings.speed);
            $(elements[current]).fadeIn(settings.speed, function() {
							removeFilter($(this)[0]);
						});
        } else
            alert('Innerfade-animationtype must either be \'slide\' or \'fade\'');
        if (settings.type == "sequence") {
        	
	            if ((current + 1) < elements.length) {
	                current = current + 1;
	                last = current - 1;
	                
	                currentG=current;
	                lastG=last;
	            } else {
	                current = 0;
	                last = elements.length - 1;
	                
	                currentG=current;
	                lastG=last;
	            }
	         
        } else
            alert('Innerfade-Type must either be \'sequence\', \'random\' or \'random_start\'');
            
         $.innerfade.number(elements, settings,current); 
        setTimeout((function() {
          $.innerfadeNews.next(elements, settings, currentG, lastG, 'next');
        }), settings.timeout);
        
       }else{
       setTimeout((function() {
            $.innerfadeNews.next(elements, settings, currentG, lastG, 'next');
        }), settings.timeout);
       }
    };

})(jQuery);

// **** remove Opacity-Filter in ie ****
function removeFilter(element) {
	if(element.style.removeAttribute){
		element.style.removeAttribute('filter');
	}
}