function menu (i)
{
 var DOM = (document.getElementById)? true : false;
 var OP = (window.opera)? true : false;
 var OPF = (OP && DOM)? true : false;
 var IE = (document.all && !OP)? true : false;
 var IE5 = (IE && DOM)? true : false;
 var IE4 = (IE && !DOM)? true : false;

 switch(i)
 {
  case 1:
   {
    if ((navigator.appName=='Netscape') && (navigator.appVersion.charAt(0)<'5'))
     {
     var pos = document.m1;

      with (document.menu1) {
        pageX = pos.x+150;
        pageY = pos.y+0;
        visibility = 'show';
      }

      return;
     }
    if (navigator.appVersion.charAt (0)<'5')
    {
    var layers=document.all.tags ("div");
    }
    else {
    var layers=document.getElementsByTagName("div");

    }
    
    layers['menu1'].style.visibility='visible';


    return;
    }
   }
  }


function clean()
{
 if ((navigator.appName=='Netscape') && (navigator.appVersion.charAt(0)<'5'))
     {

     window.document.menu1.visibility="hide";


      return;
     }
    if (navigator.appVersion.charAt (0)<'5')
    {
    var layers=document.all.tags ("div");
    }
    else {
    var layers=document.getElementsByTagName("div");

    }

    layers['menu1'].style.visibility='hidden';



    return;


}