startList = function() {
if (document.all&&document.getElementById) {
navRoot = document.getElementById("nav");
for (i=0; i<navRoot.childNodes.length; i++) {
node = navRoot.childNodes[i];
if (node.nodeName=="LI") {
node.onmouseover=function() {
this.className+=" over";
  }
  node.onmouseout=function() {
  this.className=this.className.replace(" over", "");
   }
   }
  }
 }
}
window.onload=startList;

function precarga(){
var fotos=new Array('/images/image1.jpg','/images/image2.jpg','/images/image3.jpg','/images/image4.jpg','/images/image5.jpg','/images/image6.jpg','/images/image7.jpg','/images/image8.jpg','/images/image9.jpg','/images/image10.jpg','/images/image11.jpg','/images/image12.jpg','/images/image13.jpg','/images/image14.jpg','/images/image15.jpg','/images/image16.jpg','/images/image17.jpg','/images/image18.jpg','/images/image19.jpg','/images/image20.jpg','/images/image21.jpg','/images/image22.jpg','/images/image23.jpg','/images/image24.jpg','/images/image25.jpg','/images/image26.jpg','/images/image27.jpg','/images/image28.jpg','/images/image29.jpg','/images/image30.jpg','/images/image31.jpg','/images/image32.jpg','/images/image33.jpg','/images/image34.jpg','/images/image35.jpg','/images/image36.jpg','/images/image37.jpg','/images/image38.jpg','/images/image39.jpg','/images/image40.jpg','/images/image41.jpg','/images/image42.jpg');
for(i=0;i<fotos.length;i++){
eval("image"+i+"=new Image();");
eval("image"+i+".src=" + "\""+fotos[i]+"\";");
}
}