function swapPicture()
{
  if (document.images)
  {
    var nextImage=curImage1+1;
    if (nextImage>=numImages1) {nextImage=0; play=0;}
    if(play==1)
    {
      if (dimages[nextImage] && dimages[nextImage].complete)
      {
        var target=0;
        if (document.images.map1) target=document.images.map1;
        if (document.all && document.getElementById("map1")) target=document.getElementById("map1");
		    // make sure target is valid
	      if (target)
	      {
          document.map1.src=dimages[nextImage].src;
          curImage1=nextImage;
        }
        setTimeout("swapPicture()", 1500);
      }
      else
      {
        setTimeout("swapPicture()", 50);
      }
    }

  }
}

function swapPicture2()
{
  if (document.images)
  {
    var nextImage=curImage2+1;
    if (nextImage>=numImages2) {nextImage=0; play1=0;}
    if(play1==1)
    {
      if (bimages[nextImage] && bimages[nextImage].complete)
      {
        var target=0;
        if (document.images.map2) target=document.images.map2;
        if (document.all && document.getElementById("map2")) target=document.getElementById("map2");
		    // make sure target is valid
	      if (target)
	      {
          document.map2.src=bimages[nextImage].src;
          curImage2=nextImage;
        }
        setTimeout("swapPicture2()", 1500);
      }
      else
      {
        setTimeout("swapPicture2()", 50);
      }
    }
  }
}

function swapPicture3()
{
  if (document.images)
  {
    var nextImage=curImage3+1;
    if (nextImage>=numImages3) {nextImage=0; play2=0;}
    if(play1==1)
    {
      if (cimages[nextImage] && cimages[nextImage].complete)
      {
        var target=0;
        if (document.images.map3) target=document.images.map3;
        if (document.all && document.getElementById("map3")) target=document.getElementById("map3");
		    // make sure target is valid
	      if (target)
	      {
          document.map3.src=cimages[nextImage].src;
          curImage3=nextImage;
        }
        setTimeout("swapPicture3()", 1500);
      }
      else
      {
        setTimeout("swapPicture3()", 50);
      }
    }
  }
}

function startAnim()
{
	if(play==0)
	{
	  play=1;
	  curImage1=-1;
	  setTimeout("swapPicture()", 50);
	}

	if(play1==0)
	{
	  play1=1;
	  curImage2=-1;
	  setTimeout("swapPicture2()", 50);
	}

	if(play2==0)
	{
	  play2=1;
	  curImage3=-1;
	  setTimeout("swapPicture3()", 50);
	}
}


function chM(s1,s2,s3)
{
  var m1=document.getElementById("mp1"); m1.style.display=s1;
  var m2=document.getElementById("mp2"); m2.style.display=s2;
  var m3=document.getElementById("mp3"); m3.style.display=s3;
  var mb1=document.getElementById("mb1");
  var mb2=document.getElementById("mb2");
  var mb3=document.getElementById("mb3");
  if(s1=="block")
  {
     mb1.style.fontWeight="normal";
     mb2.style.fontWeight="bold";
     mb3.style.fontWeight="normal";
  }
  if(s2=="block")
  {
     mb1.style.fontWeight="normal";
     mb2.style.fontWeight="normal";
     mb3.style.fontWeight="bold";
  }
  if(s3=="block")
  {
     mb1.style.fontWeight="bold";
     mb2.style.fontWeight="normal";
     mb3.style.fontWeight="normal";
  }
}