var txt='0';
function showphoto(newph,x,y) {
  if (oldph!='0') {document.getElementById(oldph).style.color='#000000';}
  document.getElementById(newph).style.color='#ff0000';
  ph=newph;
  if (reg=='5') {
    document.getElementById('img1').src="maps/ph"+newph+"a.jpg";
    document.getElementById('img2').src="maps/ph"+newph+"b.jpg";
    switch (newph) {
      case '51': txt="Census records show GH LITTLE / EW SYKES  lived in Bridlington in 1901 and 1911.<br>I lived there between 1965 and 1969."; break;
      case '52': txt="BS LITTLE / FE COVERDALE lived at 'The Cliffe', Hessle from 1936. A new housing estate now occupies the site very close to the Humber Bridge."; break;
      case '53': txt="Many of the HART family living in Wolverhampton in the 1800s had their births, marriages and deaths recorded in St Peters Church records."; break;
      case '54': txt="The HART Cycle Co. was in a workshop behind the shops down from the Methodist Church. The shops are now gone with a car park in their place."; break;
      case '55': txt="We've lived in Mildura for over 40 years. The old bridge is no longer there, but the paddlesteamers still cruise the river, though they too have changed."; break;
    }
    document.getElementById('txt').innerHTML=txt;
    document.getElementById('hist2').style.visibility='visible';
  }
  else {
    document.getElementById('pht').src="maps/ph"+ph+".jpg";
    document.getElementById('photo').style.visibility='visible';
  }
  act();
  oldph=newph;
  var pnt = document.getElementById('pointer'); 
  pnt.style.left = x+"px"; pnt.style.top = y+"px"; pnt.style.visibility = "visible";
}

function act() {
 if (onshow==1) {
   document.getElementById('img1').style.opacity=100;
   document.getElementById('img1').style.transition="opacity 2s";
   document.getElementById('img2').style.opacity=0;
   document.getElementById('img2').style.transition="opacity 2s";
   onshow=2;
   }
 else {
   document.getElementById('img2').style.opacity=100;
   document.getElementById('img2').style.transition="opacity 2s";
   document.getElementById('img1').style.opacity=0;
   document.getElementById('img1').style.transition="opacity 2s";
   onshow=1;
   }
}