function swapphotos()
{
number = Math.round(Math.random()*16)
if (number==0)
document.write('
')
if (number==1)
document.write('
')
if (number==2)
document.write('
')
if (number==3)
document.write('
')
if (number==4)
document.write('
')
if (number==5)
document.write('
')
if (number==6)
document.write('
')
if (number==7)
document.write('
')
if (number==8)
document.write('
')
if (number==9)
document.write('
')
if (number==10)
document.write('
')
if (number==11)
document.write('
')
if (number==12)
document.write('
')
if (number==13)
document.write('
')
if (number==14)
document.write('
')
if (number == 15)
document.write('
')
if (number == 16)
document.write('
')
}