function picrand()
{
var num = Math.round(6 * Math.random());

var pickpix=new Array(7)
pickpix[0]="images/fdr01.jpg"
pickpix[1]="images/fdr02.jpg"
pickpix[2]="images/fdr03.jpg"
pickpix[3]="images/fdr04.jpg"
pickpix[4]="images/fdr05.jpg"
pickpix[5]="images/fdr06.jpg"
pickpix[6]="images/fdr07.jpg"

var randpic = pickpix[num]

document.fdrpic.src=randpic

}