activateMenu = function(idmenu) {
  /* only for IE (document.all) */
  if (document.all && document.getElementById(idmenu).currentStyle) {  
    var menu = document.getElementById(idmenu);
    /* Get all the list items within the menu */
    var lis=menu.getElementsByTagName("LI");  
    for (i=0; i<lis.length; i++) {
      /* If the LI has another menu level */
      var uls=lis[i].getElementsByTagName("UL");
      /* only an UL element in a LI */
      if ( uls[0] ) {
	/* assign the function to the LI */
	lis[i].onmouseover=function() {		
	  /* display the inner menu */
          var ul=this.getElementsByTagName("UL");
	  ul[0].style.display="block";
	}
	lis[i].onmouseout=function() {                       
          var ul=this.getElementsByTagName("UL");
	  ul[0].style.display="none";
	}
      }
    }
  }
}

window.onload= function() {
  activateMenu('pmt'); 
}