// Image swap and restore functions from Dreamweaver.

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}


// Image-changing script for the homepage. Will revise for multiple applications.
// Requires photo, weblink and photoalt arrays, with matched elements.
// Add variables to pass the width and height, maybe also border width and color selections.

function rotatingImage(wide)
{
  var photo = new Array ();
  var photoalt = new Array ();
  var weblink = new Array ();

  photo[0] = "shared/graphics/clusterpics2/agricult.jpg";
  photo[1] = "shared/graphics/clusterpics2/archcon.jpg";
  photo[2] = "shared/graphics/clusterpics2/arts-av.jpg";
  photo[3] = "shared/graphics/clusterpics2/arts-av2.jpg";
  photo[4] = "shared/graphics/clusterpics2/business.jpg";
  photo[5] = "shared/graphics/clusterpics2/educate.jpg"; 
  photo[6] = "shared/graphics/clusterpics2/finance.jpg";
  photo[7] = "shared/graphics/clusterpics2/govern.jpg";
  photo[8] = "shared/graphics/clusterpics2/health.jpg";
  photo[9] = "shared/graphics/clusterpics2/hosptour.jpg";
  photo[10] = "shared/graphics/clusterpics2/hservice.jpg";
  photo[11] = "shared/graphics/clusterpics2/infotech.jpg";
  photo[12] = "shared/graphics/clusterpics2/manufac.jpg";
  photo[13] = "shared/graphics/clusterpics2/market.jpg";
  photo[14] = "shared/graphics/clusterpics2/safety.jpg";
  photo[15] = "shared/graphics/clusterpics2/stem.jpg";
  photo[16] = "shared/graphics/clusterpics2/transport.jpg";

  photoalt[0] = "Agriculture, Food & Natural Resources";
  photoalt[1] = "Architecture & Construction";
  photoalt[2] = "Arts, A/V Technology & Communications";
  photoalt[3] = "Arts, A/V Technology & Communications";
  photoalt[4] = "Business, Management & Administration";
  photoalt[5] = "Education & Training";
  photoalt[6] = "Finance";
  photoalt[7] = "Government & Public Administration";
  photoalt[8] = "Health Science";
  photoalt[9] = "Hospitality & Tourism";
  photoalt[10] = "Human Services";
  photoalt[11] = "Information Technology";
  photoalt[12] = "Manufacturing";
  photoalt[13] = "Marketing, Sales & Service";
  photoalt[14] = "Law, Public Safety, Corrections & Security";
  photoalt[15] = "Science, Technology, Engineering & Mathematics";
  photoalt[16] = "Transportation, Distribution & Logistics";

  var ImgNum = (Math.floor(Math.random()*photo.length));
  if (weblink[ImgNum] == null)
  {
    document.write('<img width="' + wide + '" src="' + photo[ImgNum] + '" alt="' + photoalt[ImgNum] + '">');
  }
  else
  {
    document.write('<a href="' + weblink[ImgNum] + '"><img width="' + wide + '" src="' + photo[ImgNum] + '" alt="' + photoalt[ImgNum] + '"></a>');
  }
}