var mess = new Array(
'<img src="images/menuBVP1.jpg" border="0" >',
'<img src="images/menuBVP2.jpg" border="0" >',
'<img src="images/menuCase1.jpg" border="0" >',
'<img src="images/menuCase2.jpg" border="0" >',
'<img src="images/menuClient1.jpg" border="0" >',
'<img src="images/menuCorp1.jpg" border="0" >',
'<img src="images/menuCorp2.jpg" border="0" >',
'<img src="images/menuCorp3.jpg" border="0" >',
'<img src="images/menuGov1.jpg" border="0" >',
'<img src="images/menuGov2.jpg" border="0" >',
'<img src="images/menuMedia1.jpg" border="0" >',
'<img src="images/menuMedia2.jpg" border="0" >',
'<img src="images/menuProd1.jpg" border="0" >',
'<img src="images/menuProd2.jpg" border="0" >',
'<img src="images/menuPublic1.jpg" border="0" >',
'<img src="images/menuPublic2.jpg" border="0" >',
'<img src="images/menuSport1.jpg" border="0" >',
'<img src="images/menuSport2.jpg" border="0" >');
var max = mess.length;
var num = Math.floor((Math.random() * max));
document.writeln(mess[num]);