function MM_displayStatusMsg(msgStr) { //v1.0
  status=msgStr;
  document.MM_returnValue = true;
}

function menuFix() {
var sfEls = document.getElementById("dav").getElementsByTagName("li");
for (var i=0; i<sfEls.length; i++) {
sfEls[i].onmouseover=function() {
this.className+=(this.className.length>0? " ": "") + "show";
}
sfEls[i].onmouseout=function() {
this.className=this.className.replace(new RegExp("( ?|^)show\\b"), "");
}
}
}
window.onload=menuFix;