var ar = new Array("<IMG SRC=html/FairHeaderPic1.jpg WIDTH=760 HEIGHT=150  BORDER=0>", 
"<IMG SRC=html/FairHeaderPic2.jpg WIDTH=760 HEIGHT=150 BORDER=0>", 
"<IMG SRC=html/FairHeaderPic3.jpg WIDTH=760 HEIGHT=150 BORDER=0>", 
"<IMG SRC=html/FairHeaderPic4.jpg WIDTH=760 HEIGHT=150 BORDER=0>", 
"<IMG SRC=html/FairHeaderPic5.jpg WIDTH=760 HEIGHT=131 BORDER=0>", 
"<IMG SRC=html/FairHeaderPic6.jpg WIDTH=760 HEIGHT=150 BORDER=0>", 
"<IMG SRC=html/FairHeaderPic7.jpg WIDTH=760 HEIGHT=150 BORDER=0>", 
"<IMG SRC=html/FairHeaderPic8.jpg WIDTH=760 HEIGHT=150 BORDER=0>", 
"<IMG SRC=html/FairHeaderPic9.jpg WIDTH=760 HEIGHT=150 BORDER=0>", 
"<IMG SRC=html/FairHeaderPic10.jpg WIDTH=760 HEIGHT=150 BORDER=0>", 
"<IMG SRC=html/FairHeaderPic11.jpg WIDTH=760 HEIGHT=150 BORDER=0>", 
"<IMG SRC=html/FairHeaderPic12.jpg WIDTH=760 HEIGHT=150 BORDER=0>");

var num = Math.floor(Math.random() * ar.length);
document.write(ar[num]);