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];}
}

function vk_showResource(id) { //resources page
	document.getElementById(id).style.display = 'block';
}

function vk_hideResource(id) { //resources page
	document.getElementById(id).style.display = 'none';
}

function showWTD(id) { //what to do page
	var current = document.getElementById(id).style.display
	if(current == 'block') {
		document.getElementById(id).style.display = 'none';
	}
	else if(current == 'none') {
		document.getElementById(id).style.display = 'block';
	}
}

// ==============================================
// Random Header Image
// ==============================================

// Set images to be used.
var theImages = new Array() // do not change this
// To add more image files, continue with the
// pattern below, adding to the array. Rememeber
// to increment the theImages[x] index!  As good
// practice, please remember to place the images in
// the 'images/structure/random' directory.
// Thanks!

theImages[0] = 'images/structure/random/01_03.jpg'
theImages[1] = 'images/structure/random/02_03.jpg'
theImages[2] = 'images/structure/random/03_03.jpg'
theImages[3] = 'images/structure/random/04_03.jpg'
theImages[4] = 'images/structure/random/05_03.jpg'
theImages[5] = 'images/structure/random/06_03.jpg'
theImages[6] = 'images/structure/random/07_03.jpg'
theImages[7] = 'images/structure/random/08_03.jpg'
theImages[8] = 'images/structure/random/09_03.jpg'
theImages[9] = 'images/structure/random/10_03.jpg'
theImages[10] = 'images/structure/random/11_03.jpg'
theImages[11] = 'images/structure/random/12_03.jpg'
theImages[12] = 'images/structure/random/13_03.jpg'
theImages[13] = 'images/structure/random/14_03.jpg'
theImages[14] = 'images/structure/random/15_03.jpg'
theImages[15] = 'images/structure/random/16_03.jpg'
theImages[16] = 'images/structure/random/17_03.jpg'
theImages[17] = 'images/structure/random/18_03.jpg'
theImages[18] = 'images/structure/random/19_03.jpg'
theImages[19] = 'images/structure/random/20_03.jpg'
theImages[20] = 'images/structure/random/21_03.jpg'
theImages[21] = 'images/structure/random/22_03.jpg'
theImages[22] = 'images/structure/random/23_03.jpg'
theImages[23] = 'images/structure/random/24_03.jpg'
theImages[24] = 'images/structure/random/25_03.jpg'

// ======================================
// Do Not Change Below This Line
// ======================================

var j = 0
var p = theImages.length;

var preBuffer = new Array()
for (i = 0; i < p; i++){
   preBuffer[i] = new Image()
   preBuffer[i].src = theImages[i]
}

var whichImage = Math.round(Math.random()*(p-1));
function showImage(){
document.write('<img src="'+theImages[whichImage]+'">');
}