var randnum=Math.random();var inum=11;var rand1=Math.round(randnum*(inum-1))+1;images=new Array
images[1]="IMAGES/img_header_1.jpg"
images[2]="IMAGES/img_header_2.jpg"
images[3]="IMAGES/img_header_3.jpg"
images[4]="IMAGES/img_header_4.jpg"
images[5]="IMAGES/img_header_5.jpg"
images[6]="IMAGES/img_header_6.jpg"
images[7]="IMAGES/img_header_7.jpg"
images[8]="IMAGES/img_header_8.jpg"
images[9]="IMAGES/img_header_9.jpg"
images[10]="IMAGES/img_header_10.jpg"
images[11]="IMAGES/img_header_11.jpg"
var image=images[rand1]