image = new Array
image[0]="header1.jpg"
image[1]="header2.jpg"
image[2]="header5.jpg"
image[3]="header7.jpg"
image[4]="header9.jpg"
image[5]="header10.jpg"
image[6]="header11.jpg"
image[7]="header12.jpg"
image[8]="header13.jpg"
random_num = (Math.round((Math.random()*7)+1))