var ad=new Array()
//ad[0]='adheremap.gif';
ad[0]='lgmb.gif';

var links=new Array()
//links[0]='ads.php';
links[0]='http://www.lewisgrand.com/';

var al=new Array()
//al[0]='This space is avaliable for advertisments';
al[0]='Lewis Grand Hotel';

var xy=Math.floor(Math.random()*ad.length);
document.write('<a href="'+links[xy]+'" target="_blank"><img src="'+ad[xy]+'" width="240" height="75" border="0" alt="'+al[xy]+'"></a>');