function P7_ExpMenu(){ //
 if(navigator.appVersion.indexOf("MSIE")==-1){return;}
 var i,k,g,lg,r=/\s*hvr/,nn='',c,cs='hvr',bv='menubar';
 
 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;}
}