myPix = new Array("/atf/cf/{0363CDD6-51B5-427B-BE48-E6AF871ACEC9}/masthead1-scientist.jpg"
				  ,"/atf/cf/{0363CDD6-51B5-427B-BE48-E6AF871ACEC9}/masthead2-microscope.jpg"
				  ,"/atf/cf/{0363CDD6-51B5-427B-BE48-E6AF871ACEC9}/masthead3-couple1.jpg"
				  ,"/atf/cf/{0363CDD6-51B5-427B-BE48-E6AF871ACEC9}/masthead4-newspaper.jpg"
				  ,"/atf/cf/{0363CDD6-51B5-427B-BE48-E6AF871ACEC9}/masthead5-hugging.jpg"
				  ,"/atf/cf/{0363CDD6-51B5-427B-BE48-E6AF871ACEC9}/masthead6-couple2.jpg"
				  ,"/atf/cf/{0363CDD6-51B5-427B-BE48-E6AF871ACEC9}/masthead7-beakers.jpg"
				  ,"/atf/cf/{0363CDD6-51B5-427B-BE48-E6AF871ACEC9}/masthead8-twogirls.jpg"
				  ,"/atf/cf/{0363CDD6-51B5-427B-BE48-E6AF871ACEC9}/masthead9-testtubes.jpg"
				  ,"/atf/cf/{0363CDD6-51B5-427B-BE48-E6AF871ACEC9}/masthead10-intrees.jpg"
				  ,"/atf/cf/{0363CDD6-51B5-427B-BE48-E6AF871ACEC9}/masthead11-twogirls2.jpg")
imgCt = myPix.length

function choosePic() {
	if (document.images) {
		randomNum = Math.floor((Math.random()*imgCt));
		document.myPicture.src=myPix[randomNum];
	}
}