var dimages=new Array();
var numImages=4;

dimages[0]=new Image();
dimages[0].src="images/right-project-1.gif";
dimages[1]=new Image();
dimages[1].src="images/right-project-2.gif";
dimages[2]=new Image();
dimages[2].src="images/right-project-3.gif";
dimages[3]=new Image();
dimages[3].src="images/right-project-4.gif";

projectOn=new Image();
projectOn.src="images/right-project-selected-on.gif";
projectOff=new Image();
projectOff.src="images/right-project-selected-off.gif";

var curImage=0;

function swapPicture()
{
  if (document.images)
  {
    var nextImage=curImage+1;

    if (nextImage>=numImages)
      nextImage=0;
	 
    if (dimages[nextImage] && dimages[nextImage].complete)
    {
		var target=document.getElementById("slideImage");
		var targetHREF=document.getElementById("slideHREF");
		var targetdot1=document.getElementById("dot1");
		var targetdot2=document.getElementById("dot2");
		var targetdot3=document.getElementById("dot3");
		var targetdot4=document.getElementById("dot4");
		var targettext=document.getElementById("slideText");
		


		switch (nextImage)
		{
			case 0:
				targettext.innerHTML = "Yarra Catchment";
				targetHREF.href = "http://www.yarra4life.com.au";
				targetdot1.src = projectOn.src;
				targetdot2.src = projectOff.src;
				targetdot3.src = projectOff.src;
				targetdot4.src = projectOff.src;
				break;
			case 1:
				targettext.innerHTML = "Spirit of the Bunyip";
				targetHREF.href = "http://www.spiritofthebunyip.com.au";
				targetdot1.src = projectOff.src;
				targetdot2.src = projectOn.src;
				targetdot3.src = projectOff.src;
				targetdot4.src = projectOff.src;
				break;
			case 2:
				targettext.innerHTML = "Living Links";
				targetHREF.href = "http://www.livinglinks.com.au";
				targetdot1.src = projectOff.src;
				targetdot2.src = projectOff.src;
				targetdot3.src = projectOn.src;
				targetdot4.src = projectOff.src;
				break;
			case 3:
				targettext.innerHTML = "Grow West";
				targetHREF.href = "http://www.growwest.com.au";
				targetdot1.src = projectOff.src;
				targetdot2.src = projectOff.src;
				targetdot3.src = projectOff.src;
				targetdot4.src = projectOn.src;
				break;
		}


      // make sure target is valid.  It might not be valid
      //   if the page has not finished loading
      if (target)
      {
        target.src=dimages[nextImage].src;
        curImage=nextImage;
      }

      setTimeout("swapPicture()", 3000);

    }
    else
    {
      setTimeout("swapPicture()", 500);
    }
  }
}

setTimeout('swapPicture()', 3000);