var mess = new Array(
'<img src="headerimages/1.jpg">',
'<img src="headerimages/2.jpg">',
'<img src="headerimages/3.jpg">',
'<img src="headerimages/4.jpg">',
'<img src="headerimages/5.jpg">',
'<img src="headerimages/6.jpg">',
'<img src="headerimages/7.jpg">',
'<img src="headerimages/8.jpg">',
'<img src="headerimages/9.jpg">'
);
var max = mess.length;
var num = Math.floor((Math.random() * max));
document.writeln(mess[num]);

var mess = new Array(

'<img src="headerimages/10.jpg">',
'<img src="headerimages/11.jpg">',
'<img src="headerimages/12.jpg">',
'<img src="headerimages/13.jpg">',
'<img src="headerimages/14.jpg">',
'<img src="headerimages/15.jpg">',
'<img src="headerimages/16.jpg">',
'<img src="headerimages/17.jpg">',
'<img src="headerimages/18.jpg">',
'<img src="headerimages/19.jpg">'
);
var max = mess.length;
var num = Math.floor((Math.random() * max));
document.writeln(mess[num]);

var mess = new Array(
'<img src="headerimages/20.jpg">',
'<img src="headerimages/21.jpg">',
'<img src="headerimages/22.jpg">',
'<img src="headerimages/23.jpg">',
'<img src="headerimages/24.jpg">',
'<img src="headerimages/25.jpg">',
'<img src="headerimages/26.jpg">',
'<img src="headerimages/27.jpg">',
'<img src="headerimages/28.jpg">',
'<img src="headerimages/29.jpg">',
'<img src="headerimages/30.jpg">'
);
var max = mess.length;
var num = Math.floor((Math.random() * max));
document.writeln(mess[num]);