function random_imglink(){
	var myimages=new Array();
	myimages[1]="images/main-pic.jpg";
	myimages[2]="images/main-pic2.jpg";
	myimages[3]="images/main-pic3.jpg";
	myimages[4]="images/main-pic4.jpg";
	myimages[5]="images/main-pic5.jpg";
	var ry=Math.floor(Math.random()*myimages.length);
	if (ry==0){ ry=1 };
	document.write('<img src="'+myimages[ry]+'" border="0" alt="The Official website of Dundee City Sports Council Scotland" title="The Official website of Dundee City Sports Council Scotland" />');
}

random_imglink();