startInfo = function() {
  if (document.all&&document.getElementById) {
    elem = document.getElementById("equipment");
    for (i=0; i<elem.childNodes.length; i++) {
      node = elem.childNodes[i];
      if(node.nodeName == "DIV") {
        node.onmouseover=function() {
          this.className+=" hover";
        }
        node.onmouseout=function() {
          this.className=this.className.replace(" hover", "");
        }
      }
    }
  }
}
window.onload=startInfo;