if (document.images) {  

missionon = new Image;(120, 81);          
missionon.src = "images/mission_on.gif";            
abouton = new Image;(120, 80);          
abouton.src = "images/about_on.gif"; 
researchon = new Image;(120, 80);          
researchon.src = "images/research_on.gif"; 
pubson = new Image;(120, 79);          
pubson.src = "images/pubs_on.gif"; 
yokingon = new Image;(120, 77);          
yokingon.src = "images/yoking_on.gif"; 
potentialon = new Image;(120, 80);          
potentialon.src = "images/potential_on.gif"; 

missionoff = new Image;(120, 81);          
missionoff.src = "images/mission.gif";            
aboutoff = new Image;(120, 80);          
aboutoff.src = "images/about.gif"; 
researchoff = new Image;(120, 80);          
researchoff.src = "images/research.gif"; 
pubsoff = new Image;(120, 79);          
pubsoff.src = "images/pubs.gif"; 
yokingoff = new Image;(120, 77);          
yokingoff.src = "images/yoking.gif"; 
potentialoff = new Image;(120, 80);          
potentialoff.src = "images/potential.gif"; 

}
function img_act(imgName) {
if (document.images) {
imgOn = eval(imgName + "on.src");
document [imgName].src = imgOn;
}
}
function img_inact(imgName) {
if (document.images) {
imgOff = eval(imgName + "off.src");
document [imgName].src = imgOff;
}
}


images = new Array();
images[0] = new Image();
images[0].src = "/images/workathon/workathon2010.58.jpg";
images[1] = new Image();
images[1].src = "/images/workathon/workathon2010.1.jpg";
images[2] = new Image();
images[2].src = "/images/workathon/workathon2010.2.jpg";
images[3] = new Image();
images[3].src = "/images/workathon/workathon2010.3.jpg";
images[4] = new Image();
images[4].src = "/images/workathon/workathon2010.4.jpg";
images[5] = new Image();
images[5].src = "/images/workathon/workathon2010.5.jpg";
images[6] = new Image();
images[6].src = "/images/workathon/workathon2010.6.jpg";
images[7] = new Image();
images[7].src = "/images/workathon/workathon2010.7.jpg";
images[8] = new Image();
images[8].src = "/images/workathon/workathon2010.8.jpg";
images[9] = new Image();
images[9].src = "/images/workathon/workathon2010.9.jpg";
images[10] = new Image();
images[10].src = "/images/workathon/workathon2010.10.jpg";
images[11] = new Image();
images[11].src = "/images/workathon/workathon2010.11.jpg";
images[12] = new Image();
images[12].src = "/images/workathon/workathon2010.12.jpg";
images[13] = new Image();
images[13].src = "/images/workathon/workathon2010.13.jpg";
images[14] = new Image();
images[14].src = "/images/workathon/workathon2010.14.jpg";
images[15] = new Image();
images[15].src = "/images/workathon/workathon2010.15.jpg";
images[16] = new Image();
images[16].src = "/images/workathon/workathon2010.16.jpg";
images[17] = new Image();
images[17].src = "/images/workathon/workathon2010.17.jpg";
images[18] = new Image();
images[18].src = "/images/workathon/workathon2010.18.jpg";
images[19] = new Image();
images[19].src = "/images/workathon/workathon2010.19.jpg";
images[20] = new Image();
images[20].src = "/images/workathon/workathon2010.20.jpg";
images[21] = new Image();
images[21].src = "/images/workathon/workathon2010.21.jpg";
images[22] = new Image();
images[22].src = "/images/workathon/workathon2010.22.jpg";
images[23] = new Image();
images[23].src = "/images/workathon/workathon2010.23.jpg";
images[24] = new Image();
images[24].src = "/images/workathon/workathon2010.24.jpg";
images[25] = new Image();
images[25].src = "/images/workathon/workathon2010.25.jpg";
images[26] = new Image();
images[26].src = "/images/workathon/workathon2010.26.jpg";
images[27] = new Image();
images[27].src = "/images/workathon/workathon2010.27.jpg";
images[28] = new Image();
images[28].src = "/images/workathon/workathon2010.28.jpg";
images[29] = new Image();
images[29].src = "/images/workathon/workathon2010.29.jpg";
images[30] = new Image();
images[30].src = "/images/workathon/workathon2010.30.jpg";
images[31] = new Image();
images[31].src = "/images/workathon/workathon2010.31.jpg";
images[32] = new Image();
images[32].src = "/images/workathon/workathon2010.32.jpg";
images[33] = new Image();
images[33].src = "/images/workathon/workathon2010.33.jpg";
images[34] = new Image();
images[34].src = "/images/workathon/workathon2010.34.jpg";
images[35] = new Image();
images[35].src = "/images/workathon/workathon2010.35.jpg";
images[36] = new Image();
images[36].src = "/images/workathon/workathon2010.36.jpg";
images[37] = new Image();
images[37].src = "/images/workathon/workathon2010.37.jpg";
images[38] = new Image();
images[38].src = "/images/workathon/workathon2010.38.jpg";
images[39] = new Image();
images[39].src = "/images/workathon/workathon2010.39.jpg";
images[40] = new Image();
images[40].src = "/images/workathon/workathon2010.40.jpg";
images[41] = new Image();
images[41].src = "/images/workathon/workathon2010.41.jpg";
images[42] = new Image();
images[42].src = "/images/workathon/workathon2010.42.jpg";
images[43] = new Image();
images[43].src = "/images/workathon/workathon2010.43.jpg";
images[44] = new Image();
images[44].src = "/images/workathon/workathon2010.44.jpg";
images[45] = new Image();
images[45].src = "/images/workathon/workathon2010.45.jpg";
images[46] = new Image();
images[46].src = "/images/workathon/workathon2010.46.jpg";
images[47] = new Image();
images[47].src = "/images/workathon/workathon2010.47.jpg";
images[48] = new Image();
images[48].src = "/images/workathon/workathon2010.48.jpg";
images[49] = new Image();
images[49].src = "/images/workathon/workathon2010.49.jpg";
images[50] = new Image();
images[50].src = "/images/workathon/workathon2010.50.jpg";
images[51] = new Image();
images[51].src = "/images/workathon/workathon2010.51.jpg";
images[52] = new Image();
images[52].src = "/images/workathon/workathon2010.52.jpg";
images[53] = new Image();
images[53].src = "/images/workathon/workathon2010.53.jpg";
images[54] = new Image();
images[54].src = "/images/workathon/workathon2010.54.jpg";
images[55] = new Image();
images[55].src = "/images/workathon/workathon2010.55.jpg";
images[56] = new Image();
images[56].src = "/images/workathon/workathon2010.56.jpg";
images[57] = new Image();
images[57].src = "/images/workathon/workathon2010.57.jpg";

function swapPic() {
var imgnum = images.length - 1;
var randnum = Math.round(Math.random()*imgnum);
rands = new Array();
rands[0] = randnum;
while (rands.length < 13) {
	var randnum1 = Math.round(Math.random()*imgnum);
	var count = 0;
	while (count < rands.length) {
		if (rands[count] != randnum1) {
			count++;
		}
		else {
			randnum1 = Math.round(Math.random()*imgnum);
		}
	}
	rands[rands.length]=randnum1;
}	

document.randimg1.src = images[rands[0]].src;
document.randimg2.src = images[rands[1]].src;
document.randimg3.src = images[rands[2]].src;
document.randimg4.src = images[rands[3]].src;
document.randimg5.src = images[rands[4]].src;
document.randimg6.src = images[rands[5]].src;
document.randimg7.src = images[rands[6]].src;
document.randimg8.src = images[rands[7]].src;
document.randimg9.src = images[rands[8]].src;
document.randimg10.src = images[rands[9]].src;
document.randimg11.src = images[rands[10]].src;
document.randimg12.src = images[rands[11]].src;

}