function inc_menu(elId,first) {
 if(!document.getElementsByName(elId)) return false;
 var fMenu = document.getElementsByName(elId);
 var ffff = null;
 for (var i=0,n=fMenu.length; i<n; i++) {
 if(fMenu[i].getElementsByTagName("a")[0].id == first){
 ffff = fMenu[i];
  ffff.className = "lxs";
}
 fMenu[i].onmouseover=function() {
 if(ffff != null)
 ffff.className = "";
 this.className = "lxs";
 }
 fMenu[i].onmouseout=function() {
 this.className = "";
 if(ffff != null)
 ffff.className = "lxs";
 }
 }
}