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

// 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)
 *  }); 
 *

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


//state = "running";
//current = 0;
    

(function($) {

	state = "running";
	

    $.fn.innerfade = function(options) {
        return this.each(function() {   
        

            $.innerfade(this, options);
            
        });
    };

    $.innerfade = function(container, options) {
        var settings = {
        	'animationtype':    'fade',
            'speed':            'normal',
            'type':             'sequence',
            'timeout':          1000,
            'containerheight':  'auto',
            'runningclass':     'innerfade',
            'children':         null
        };
        
        //$("li").hide();
        //$("li#e" + current).show();
        
        
        if (options)
            $.extend(settings, options);
        if (settings.children === null)
            elements = $(container).children();
        else
            elements = $(container).children(settings.children);
        
        if (elements.length > 1) {
            $(container).css('position', 'relative').css('height', settings.containerheight).addClass(settings.runningclass);
            for (var i = 0; i < elements.length; i++) {
                $(elements[i]).css('z-index', String(elements.length-i)).css('position', 'absolute').hide();
            }
            if (settings.type == "sequence") {
            
                setTimeout(function() {
                    $.innerfade.next(elements, settings, 1, 0);
                }, settings.timeout);
                
                $(elements[0]).show();
            } else {
					alert('Innerfade-Type must either be \'sequence\', \'random\' or \'random_start\'');
			}
		}
				
				
    };
    
    
    //controls
    $.innerfade.stopstart = function(elements, settings, current, last) {
    	if (state == "running") {
    	alert("setting state to stopped...");
    	state = "stopped";
    	alert(state);
    	} else if (state == "stopped") {
    	//alert("setting state to running...");
    	/* state = "running"; */
    	//alert(state);
    	//$("li").fadeOut("slow");
    	//alert(current);
    	//$("li#e" + current).show();
    	//$.innerfade();
    	}
    };
    
    activecolor = "#fff";
    inactivecolor= "#666";
    
    $.innerfade.jump = function(jump, elements, settings, current, last) {
     	state = "stopped";
     	//jump!
     	$("#banners li").hide();
 		$("li#e" + jump).show();
 		// set link background colors
 		
 		$(".navbuttons").css({
 		color: inactivecolor
 		});
 		
 		obj = document.getElementById(jump);
		obj.style.color = activecolor;
		scroll(0,0);
		
 		current = jump;
 		//$.innerfade();
    };
    
    //end controls
    

    $.innerfade.next = function(elements, settings, current, last) {
        
        if (state == "running") {
        	if (settings.animationtype == 'fade') {
            	$(elements[last]).fadeOut(settings.speed);
            	$(elements[current]).fadeIn(settings.speed, function() {
					removeFilter($(this)[0]);
				});
			} else if (state == "stopped") {
        		alert("slideshow is stopped.");
    		}
		} //else
            //alert('Innerfade-animationtype must either be \'slide\' or \'fade\'');
        
        if (settings.type == "sequence" && state == "running") {
            if ((current + 1) < elements.length) {
            	if (current === 0 ) {
            		finalobj = document.getElementById(elements.length - 1);
            		finalobj.style.color = inactivecolor;
            	}
            	$(".navbuttons").css({
 					color: inactivecolor
 				});
            	obj = document.getElementById(current);
				obj.style.color = activecolor;
				if (current > 0 ) {
					obj2 = document.getElementById(current-1);
					obj2.style.color = inactivecolor;
            	}
                current = current + 1;
                last = current - 1;
            } else {
            	obj = document.getElementById(current);
				obj.style.color = activecolor;
				
				obj2 = document.getElementById(current-1);
				obj2.style.color = inactivecolor;
            
                current = 0;
                last = elements.length - 1;
            }
        } else 
            asdf = 1;
        	setTimeout((function() {
            $.innerfade.next(elements, settings, current, last);
        }), settings.timeout);
        
    };

})(jQuery);

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