function tgl(objMenu) {
if (objMenu.style.visibility == "hidden") {
            objMenu.style.visibility = "";
	} else {
            objMenu.style.visibility = "hidden";
	}
}

function tgl2(objMenu) {
        if (objMenu.style.display == "none") {
            objMenu.style.display = "";
	} else {
            objMenu.style.display = "none";
	}
}

function hide_layer(lname)
{
  if(document.getElementById) {
    document.getElementById(lname).style.visibility = 'hidden';
  } else if(document.layers) {
    document.layers[lname].visibility = 'hide'   
  } else if(document.all)
    document.all(lname).style.visibility = 'hidden' 
}

function show_layer(lname)
{
  if (show_layer.arguments.length <= 1) { // don't delete, backword compatibility
    if(document.getElementById) {
      document.getElementById(lname).style.visibility = 'visible';
    } else if(document.layers) {
      document.layers[lname].visibility = 'show'   
    } else if(document.all)
      document.all(lname).style.visibility = 'visible' 
  } else {
    if(document.getElementById) {
      document.getElementById(lname).style.visibility = 'hidden';
    } else if(document.layers) {
      document.layers[lname].visibility = 'hide'   
    } else if(document.all)
      document.all(lname).style.visibility = 'hidden' 
  }
}

function namosw_cell_rollover(cell, classname) {
  if (document.all || document.getElementById) {
    cell.classBackup = cell.className;
    cell.className   = classname;
  }
}

function namosw_cell_rollout(cell)
{
  if (document.all || document.getElementById) {
    cell.className   = cell.classBackup;
  }
}

function refresh(){
this.document.location.reload();
}