function openimage(url) {
  image = new Image();
  image.src = url;
  //w = image.width+20;
  //h = image.height+20;
  //desktop = window.open(url,'_blank','toolbar=no,width='+w+',height='+h+'');
  desktop = window.open(url,'_blank','resizable=yes,toolbar=no');
  desktop.focus();
}
function movepic(img_name,img_src) {
  document[img_name].src= img_src;
}
function preload() {
  image1 = new Image();
  image1.src = "/images/enabastecnicas.png";
  image1on = new Image();
  image1on.src = "/images/enabastecnicasover.png";
  image2 = new Image();
  image2.src = "/images/servicios.png";
  image2on = new Image();
  image2on.src = "/images/serviciosover.png";
}