function zoom(url) {
var hauteur=520;
var largeur=660;
var demih=screen.height/2;
var demiw=screen.width/2;
window.open(url, '_blank', 'toolbar=0, location=0, directories=0, status=0, scrollbars=1, resizable=1, copyhistory=0, menuBar=0, width='+largeur+', height='+hauteur+', top='+(demih-(hauteur/2))+', left='+(demiw-(largeur/2))+'');
}

function preload() { 
  var args = preload.arguments; 
  imgs = new Array();
  for(x=0; x < args.length; x++) {
    imgs[x] = new Image();
    imgs[x].src = args[x];
  }
}