YAHOO.namespace("gallery");YAHOO.gallery.init=function(){var E=new Array();var B=1;
var D=document.getElementById("gallery-images").getElementsByTagName("img");if(D.length<2){YAHOO.util.Dom.addClass("forward","hidden");
}for(i=0;i<D.length;i++){var A=D[i].getAttribute("id");E.push(A);}YAHOO.util.Dom.addClass("backward","hidden");
var C=function(H){switch(this.id){case"forward":B=B+1;break;case"backward":B=B-1;
break;}for(i=0;i<D.length;i++){var G=D[i].getAttribute("id");YAHOO.util.Dom.addClass(G,"hidden");
}var F="gallery-"+B;YAHOO.util.Dom.removeClass(F,"hidden");YAHOO.util.Dom.removeClass("forward","hidden");
YAHOO.util.Dom.removeClass("backward","hidden");switch(B){case 1:YAHOO.util.Dom.addClass("backward","hidden");
break;case D.length:YAHOO.util.Dom.addClass("forward","hidden");break;}};YAHOO.util.Event.addListener("forward","click",C);
YAHOO.util.Event.addListener("backward","click",C);};YAHOO.util.Event.addListener(window,"load",YAHOO.gallery.init);