slideshow = {


	current:0,


	init:function(){


		if(document.getElementById && document.createTextNode){


			var list = document.getElementById('slideshow');


			if(list){


				slideshow.items = list.getElementsByTagName('li');


				slideshow.all = slideshow.items.length;


				if(slideshow.all > 1){


					slideshow.addClass(list, 'js');


					slideshow.createNav(list);


				}


			}


		}


		slideshow.show();


	},


	createNav:function(o){


		var p = document.createElement('p');


		slideshow.addClass(p, 'slidenav');


		slideshow.prev = document.createElement('a');


		slideshow.prev.setAttribute('href', '#');


		var templabel = document.createTextNode('<<');


		slideshow.prev.appendChild(templabel);


		slideshow.addEvent(slideshow.prev, 'click', slideshow.show);		


		p.appendChild(slideshow.prev);


		slideshow.count = document.createElement('span');


		templabel = document.createTextNode( (slideshow.current+1) + ' / ' + slideshow.all);


		slideshow.count.appendChild(templabel);


		p.appendChild(slideshow.count);


		slideshow.next = document.createElement('a');


		slideshow.next.setAttribute('href', '#');


		var templabel = document.createTextNode('>>');


		slideshow.next.appendChild(templabel);


		slideshow.addEvent(slideshow.next, 'click', slideshow.show);		


		p.appendChild(slideshow.next);


		o.parentNode.insertBefore(p, o);


	},


	show:function(e){


		if(this === slideshow.next || this === slideshow.prev){


			slideshow.removeClass(slideshow.items[slideshow.current], 'current');


			var addto = this === slideshow.next ? 1 : -1;


			slideshow.current = slideshow.current + addto;


			if(slideshow.current < 0){


				slideshow.current = (slideshow.all-1);


			}


			if(slideshow.current > slideshow.all-1){


				slideshow.current = 0;


			}


		}


		var templabel = document.createTextNode( (slideshow.current+1) + ' / ' + slideshow.all);


		slideshow.count.replaceChild(templabel, slideshow.count.firstChild);


		slideshow.addClass(slideshow.items[slideshow.current], 'current');


		slideshow.cancelClick(e);


	},


	/* helper methods */


	addEvent:function( obj, type, fn ) {


		if ( obj.attachEvent ) {


		 obj['e'+type+fn] = fn;


		 obj[type+fn] = function(){obj['e'+type+fn]( window.event );}


		 obj.attachEvent( 'on'+type, obj[type+fn] );


		} else


		 obj.addEventListener( type, fn, false );


	},


	removeClass:function(o,c){


		var rep=o.className.match(' '+c)?' '+c:c;


		o.className=o.className.replace(rep,'');


	},


	addClass:function(o,c){


		var test = new RegExp("(^|\\s)" + c + "(\\s|$)").test(o.className);


		if(!test){o.className+=o.className?' '+c:c;}


	},


	cancelClick:function(e){


		if (window.event){


			window.event.cancelBubble = true;


			window.event.returnValue = false;


		}


		if (e && e.stopPropagation && e.preventDefault){


			e.stopPropagation();


			e.preventDefault();


		}


	}


}


slideshow.addEvent(window,'load',slideshow.init);