var img,off,idx,act=0;

if(parent.frames.length==0){
	var p,n,h=document.location.href;
	if(h.substring(0,4)!='file'){
		p = h.lastIndexOf('/');
		n = h.substring(0,p) + '/index.html?' + h.substring(p + 1,h.length);
		document.location.href = n;
	}
}

function Init(){
	var i,j,k,s,d=document,a=arguments[0];
	if(arguments.length>1 && parent.frames["contents"]) parent.frames["contents"].Act(arguments[1]);
	if(a.length>0){
		img = new Array();
		off = new Array();
		idx = new Array();
		for(i=j=0;i<d.images.length;i++){
			s=d.images[i].src;
			for(k=s.length;k>0 && s.substring(k,k+1)!="/";k--);
			s=s.substring(k+1,s.length);
			if(s.substring(0,a.length)==a){
				j++;
				img[j]=new Image; 
				idx[j]=i;
				if(s.substring(s.length - 5,s.length - 4)=="a"){
					if(!act) act=j;
					s=d.images[i].src;
					off[j]=s.substring(0,s.length - 5) + ".gif";
					img[j].src=s.substring(0,s.length - 5) + "a.gif";
				} else {
					s=d.images[i].src;
					off[j]=s;
					img[j].src=s.substring(0,s.length - 4) + "a.gif";
				}
			}
		}
	}
}

function Init2(){
	var i,j,k,s,d=document,a=arguments[0];
	if(arguments.length>1) parent.frames["contents"].Act(arguments[1]);
	if(a.length>0){
		img = new Array();
		off = new Array();
		idx = new Array();
		for(i=j=0;i<d.images.length;i++){
			s=d.images[i].src;
			for(k=s.length;k>0 && s.substring(k,k+1)!="/";k--);
			s=s.substring(k+1,s.length);
			if(s.substring(0,a.length)==a){
				j++;
				img[j]=new Image; 
				idx[j]=i;
				if(s.substring(s.length - 5,s.length - 4)=="a"){
					if(!act) act=j;
					s=d.images[i].src;
					off[j]=s.substring(0,s.length - 5) + ".jpg";
					img[j].src=s.substring(0,s.length - 5) + "a.jpg";
				} else {
					s=d.images[i].src;
					off[j]=s;
					img[j].src=s.substring(0,s.length - 4) + "a.jpg";
				}
			}
		}
	}
}

function On(i){
	if(idx && i!=act) document.images[idx[i]].src = img[i].src;
}

function Off(i){
	if(idx && i!=act) document.images[idx[i]].src = off[i];
}

function Act(i){
	if(idx){
		if(act) document.images[idx[act]].src = off[act];
		act=i;
		document.images[idx[i]].src = img[i].src;
	}
}