// support for layout of opening pages

var mb1 = new Array;

function init()
{
	for (var i=0; i<3; i++)
	{
	  mb1[i] = new Image();
	  mb1[i].src = "images/mb" + i + "a.gif";
	}

  // set up image behaviours
  for (var i=0; i<3; i++)
  {
    document.images["mb" + i].onmouseover = new Function("return mbMouseOver(" + i + ")");
    document.images["mb" + i].onmouseout = new Function("return mbMouseOut(" + i + ")");
    document.images["mb" + i].onmouseup = new Function("return mbMouseUp(" + i + ")");
  }
}

function mbMouseOver(i)
{
  if (mb1[i].complete)
		document.images["mb" + i].src = mb1[i].src;
  document.images["mb" + i].style.cursor = "hand";
  return false;
}

function mbMouseOut(i)
{
  document.images["mb" + i].src = "images/mb" + i + ".gif";
  document.images["mb" + i].style.cursor = "default";
  return false;
}

function mbMouseUp(i)
{
	switch (i)
	{
		case 0: // home
		  location.href = "index.htm";
		  break;
		case 1: // forum
		  location.href = "forum.htm";
		  break;
		case 2: // usage
		  location.href = "usage.htm";
		  break;
	}
  return false;

}