var ActiveMenuItem = null;

function MenuItemOver(ctrl) {
  if (ctrl != ActiveMenuItem) {
	  ctrl.style.color = "#FFFFFF";
    ctrl.style.backgroundColor = "#A9BFE8";
  }
}

function MenuItemOut(ctrl) {
  if (ctrl != ActiveMenuItem) {
	  ctrl.style.color = "";
    ctrl.style.backgroundColor = "";
  }
}

function MenuActivate(ctrl) {
  ctrl.style.backgroundColor = "#6b92bc";
  if (ActiveMenuItem != null) {
    ActiveMenuItem.style.backgroundColor = "";
  }
  ActiveMenuItem = ctrl;
}

function LoadMain(Page)
{
	top.document.getElementById("display_area").src = Page;
}