var imgid,imgpath,img1,img2,slidenum,offset,newwidth,bgw,winw;
var currentslide=0;
var playflag;
var pauseflag=false;

var imgarray=new Array(
  'slippery',
  'northgate',
  'monksmill',
  'hamgate',
  'westgate',
  'stallstreet'
)

function setbathpage(){
  set ('toggle onclick toggleimage');
}

function toggleimage(){
  var num=this.number;
  imgid=imgarray[num];
  img1="images/"+imgid+"1.jpg";
  img2="images/"+imgid+"2.jpg";
	if (document.getElementById(imgid).src.indexOf(img2)!=-1)
		document.getElementById(imgid).src=img1;
	else
		document.getElementById(imgid).src=img2;
}

function setslides(){
  set ('slideholder display none');
  set ('slidedisplay display block');
  set ('nextcontrol onclick nextslide');
  set ('lastcontrol onclick lastslide')
  set ('playcontrol onclick setplayflag');
  set ('pausecontrol onclick pauseslides');
}

function nextslide(){
  currentslide++;
  if (currentslide>slidenum)
    currentslide=0;
  imgpath="slide"+currentslide+".jpg";
  set ('slide src imgpath');
  return false;
}

function lastslide(){
  if (!pauseflag)
    currentslide--;
  else{
    currentslide=currentslide-2;
    pauseflag=false;
  }
  if (currentslide<0)
    currentslide=slidenum;
  imgpath="slide"+currentslide+".jpg";
  set ('slide src imgpath');
  return false;
}

function setplayflag(){
  playflag="true";
  playslides();
  pauseflag=true;
  return false;
}

function playslides(){
  if (playflag){
    imgpath="slide"+currentslide+".jpg";
    set ('slide src imgpath');
    currentslide++;
    if (currentslide>slidenum)
      currentslide=0;
    setTimeout('playslides()',4000);
  }
}

function pauseslides(){
  playflag=false;
  pauseflag=true;
  return false;
}