// MOD_DIAPO.JS
// CAMPUS vR1

var imgdiapo = null;
var t = null;
var current = 0;
var normalWidth = 220;
var normalHeight = normalWidth*3/4;
var photoList = null;
var photoHead = 'Dernières Photos<br/><br/>';

function CPMod_Diapo_Width(photoCur) {

  var w;

  if (photoCur[1] > photoCur[2]) {

    w = normalWidth;

  } else {

    w = photoCur[1]*normalHeight/photoCur[2];

  }

  return "width:"+Math.round(w)+"px;";

}

function CPMod_Diapo_LoadNextPic()  { // Loads next picture for faster operation.

	NextImage = new Image();
	nextpic = current + 1;
  if (nextpic>=photoList.length) nextpic = 0;
  NextImage.src = photoList[nextpic][0];

}

function CPMod_Diapo_NextPic() { // Flips to the next photo.

  current++;
  if (current>=photoList.length) current = 0;
  CPMod_Diapo_ShowPic(current);

}

function CPMod_Diapo_ShowPic(newpic) { // Shows the photo and text on the page.

  popupParam = (C__GALL_VIS) ? C__GALL_VIS : 'width=800,height=650';
  current = newpic;
  document.getElementById("DiapoPhoto").innerHTML = photoHead+'<a href="#" onclick="window.open(\'photo.php5?pid='+photoList[current][3]+'\',\'\', \''+popupParam+'\');"><img style="margin-bottom:5px;'+CPMod_Diapo_Width(photoList[current])+'" src="http://www.campushec.com'+photoList[current][0]+'" border="0" /></a>';
  setTimeout("CPMod_Diapo_NextPic()", 8000);
	CPMod_Diapo_LoadNextPic();

}

function CPMod_Diapo_StartShow(ph) {

  photoList = ph;
  //imgdiapo = document.getElementById("DiapoPhoto");
  CPMod_Diapo_ShowPic(0);
}