function bex() {
};

bex = new bex();
number = 0;

// bexArray
bex[number++] = "<a href='http://www.soniccathedral.com/shop/xcart/product.php?productid=33846&cat=300&page=1' target='_blank'><img src='bex/worlofsirensad.jpg' border='1' style='filter:alpha(opacity=100)'></a>"

//bex[number++] = "<a href='http://www.southernlivebands.com' target='_blank'><img src='bex/sbl.gif' border='1' style='filter:alpha(opacity=50)'></a>"

//bex[number++] = "<a href='http://www.ampeg.com' target='_blank'><img src='bex/ampeg.jpg' border='1' style='filter:alpha(opacity=100)'></a>"

//bex[number++] = "<a href='http://www.sweetwater.com' target='_blank'><img src='bex/sweetwater.jpg' border='1' style='filter:alpha(opacity=70)'></a>"

//bex[number++] = "<a href='http://www.metalsludge.com' target='_blank'><img src='bex/metalsludge.jpg' border='1' style='filter:alpha(opacity=70)'></a>"

//bex[number++] = "<a href='http://www.cddvdmetro.com/catalogs/store.asp?catid=29915' target='_blank'><img src='bex/full_banner_yellow.gif' border='1' style='filter:alpha(opacity=70)'></a>"


increment = Math.floor(Math.random() * number);

document.write(bex[increment]);