MyImages=new Array();
    MyImages[0]='http://gma.miclub.com.au/images/headerimages/virginia2.jpg';
	MyImages[1]='http://gma.miclub.com.au/images/headerimages/brisbane2.jpg';
	MyImages[2]='http://gma.miclub.com.au/images/headerimages/wynnum2.jpg';
	MyImages[3]='http://gma.miclub.com.au/images/headerimages/royalqld.jpg';
	MyImages[4]='http://gma.miclub.com.au/images/headerimages/redlandbay.jpg';
	MyImages[5]='http://gma.miclub.com.au/images/headerimages/southport_.jpg';
    function newImage()
    {
        document.getElementById("mainImage").setAttribute("src", MyImages[Math.round(Math.random()*5)])
    }