function P7_ExpMenu(){

  if(navigator.appVersion.indexOf("MSIE")==-1){
  
    return;
    
  }
  
  var i,k,g,lg,r=/\s*p7hvr/,nn=',c,cs='p7hvr',bv='p7menubar';
  
  for(i=0;i<10;i++){
    
    g=document.getElementById(bv+nn);
    
    if(g){
    
      lg=g.getElementsByTagName("LI");
      
      if(lg){
      
        for(k=0;k<lg.length;k++){
      
          lg[k].onmouseover=function(){c=this.className;cl=(c)?c+' '+cs:cs;this.className=cl;};
          lg[k].onmouseout=function(){c=this.className;this.className=(c)?c.replace(r,'):'; };
          
         }
       }
       
      }
      nn=i+1;
  }

}