var photos=new Array()
var randomnumber=Math.floor(Math.random()*1)
var oldphotonum=randomnumber

//define images. You can have as many as you want:
photos[0]="/images/rotating_headers/header_home.jpg"



function forward_header()  {
			    while(oldphotonum == randomnumber)
				{
				randomnumber=Math.floor(Math.random()*26)
				}
			    new Image().src=photos[randomnumber]
			    document.images.photoslider.src=photos[randomnumber]
			    oldphotonum = randomnumber
			    }