var imagec = new Array (4);
imagec[0] = new Image(); imagec[0] = "images/15-dune.jpg"
imagec[1] = new Image(); imagec[1] = "images/15-beach.jpg"
imagec[2] = new Image(); imagec[2] = "images/15-beach2.jpg"
imagec[3] = new Image(); imagec[3] = "images/15-beach3.jpg"

var descc = new Array (4);
descc[0] = "dunes in the foreground of that impressive hill"
descc[1] = "beach"
descc[2] = "beach"
descc[3] = "the village of Plakias in the background"

function chimagec(ImgNr) {
  document.images.imgc.src = imagec[ImgNr];
  document.getElementById('st-c').firstChild.nodeValue = descc[ImgNr];
}

var imaged = new Array (5);
imaged[0] = new Image(); imaged[0] = "images/16-plakias.jpg"
imaged[1] = new Image(); imaged[1] = "images/16-plakias-bay.jpg"
imaged[2] = new Image(); imaged[2] = "images/16-harbour.jpg"
imaged[3] = new Image(); imaged[3] = "images/16-plakias-2.jpg"
imaged[4] = new Image(); imaged[4] = "images/16-plakias-3.jpg"

var descd = new Array (5);
descd[0] = "the village of Plakias, as seen from the first floor"
descd[1] = "the Bay of Plakias"
descd[2] = "the harbour"
descd[3] = "Plakias bay at sundown"
descd[4] = "Plakias bay, as seen from the rocks"

function chimaged(ImgNr) {
  document.images.imgd.src = imaged[ImgNr];
  document.getElementById('st-d').firstChild.nodeValue = descd[ImgNr];
}

var imagee = new Array (4);
imagee[0] = new Image(); imagee[0] = "images/18-drimiskos.jpg"
imagee[1] = new Image(); imagee[1] = "images/18-pavlos.jpg"
imagee[2] = new Image(); imagee[2] = "images/18-souda.jpg"
imagee[3] = new Image(); imagee[3] = "images/18-damnoni.jpg"

var desce = new Array (4);
desce[0] = "beaches near Agios Drimiskos"
desce[1] = "near Agios Pavlos"
desce[2] = "Souda Bay"
desce[3] = "Damnoni Bay"

function chimagee(ImgNr) {
  document.images.imge.src = imagee[ImgNr];
  document.getElementById('st-e').firstChild.nodeValue = desce[ImgNr];
}