function images()
{
number = Math.floor(Math.random()*4)
// if (number==0)
// document.write('<div style="background:url(images/main-background-images/main-background.jpg) no-repeat;> </div>')
// if (number==1)
// document.write('<div style="background:url(images/main-background-images/main-background-2.jpg) no-repeat;> </div>')
// if (number==2)
// document.write('<div style="background:url(images/main-background-images/main-background-3.jpg) no-repeat;> </div>')
// if (number==3)
// document.write('<div style="background:url(images/main-background-images/main-background-3.jpg) no-repeat;> </div>')
// if (number==4)
// document.write('<div style="background:url(images/main-background-images/main-background-4.jpg) no-repeat;> </div>')
if (number==0)
document.write('<div style="background:url(images/main-background-images/main-background-5.jpg) no-repeat;> </div>')
if (number==1)
document.write('<div style="background:url(images/main-background-images/old-bg-images/main-background-6.jpg) no-repeat;> </div>')
if (number==2)
document.write('<div style="background:url(images/main-background-images/main-background-7.jpg) no-repeat;> </div>')
if (number==3)
document.write('<div style="background:url(images/main-background-images/main-background-8.jpg) no-repeat;> </div>')
}