var nop=17

var ry=Math.floor(Math.random()*nop)
if (ry==0) {
ry=1
}

var rz=Math.floor(Math.random()*nop)
if (rz==0) {
rz=1
}
if (rz==ry) {
rz=ry+1
}

if (rz>nop) {
rz=1
}

document.write('<img border="1" src="images/header/page'+ry+'.jpg" width="213" height="114"><img border="1" src="images/header/page'+rz+'.jpg" width="213" height="114">')