function getfocus(){

Focus = new Array
Focus[0] = "ammonite.jpg | D'Orbigniceras neuffense | 459 | 400 | <i>D'Orbigniceras neuffense</i>, Upper Jurassic Period, England, MCZ 134068 |  |  | "
Focus[1] = "ammonite3.jpg | Ammonite | 525 | 344 | <i>Ammonite</i>, Devonian Period, Morocco |  |  | "
Focus[2] = "Capulus.jpg | Capulus anguis | 525 | 299 | <i>Capulus anguis</i>, Silurian Period, Lochkov, Czech Republic |  |  | "
Focus[3] = "cardiola.jpg | Cardiola sp. | 525 | 444 | <i>Cardiola</i> sp., Silurian Period, Czech Republic, MCZ 149707 |  |  | "
Focus[4] = "Ceraurus.jpg | Cerarus pleurexanthemus | 310 | 400 | <i>Cerarus pleurexanthemus</i>, Middle Ordovician Period, Trenton Falls, Walcott-Rust Quarry, New York, MCZ 111708 |  |  |  Photo: Thomas E. Whiteley"
Focus[5] = "MCZ113640.jpg | Pycnocrinus argutus | 262 | 400 | <i>Pycnocrinus argutus</i>, Middle Ordovician Period, Trenton Falls, Walcott-Rust Quarry, New York, MCZ 113640 |  |  |  Photo: Thomas E. Whiteley"
Focus[6] = "MCZ134065.jpg | Cenoceras clausum | 525 | 407 | <i>Cenoceras clausum</i>, Jurassic Period, England, MCZ 134065 |  |  | "
Focus[7] = "MCZ145648.jpg | Isotelus gigas | 262 | 400 | <i>Isotelus gigas</i>, Middle Ordovician Period, Trenton Falls, Walcott-Rust Quarry, New York, MCZ 145648 |  |  | "
Focus[8] = "EOS_0384.jpg | Isotelus gigas | 525 | 350 | <i>Isotelus gigas</i>, Tilobite, MCZ 185179.  |  |  | Photo: Bill Crow"



array_index = Math.floor(Math.random() * Focus.length);

FocusInfo = Focus[array_index].split(" | ");

FocusFileName = FocusInfo[0]
FocusAlt = FocusInfo[1]
FocusWidth = FocusInfo[2]
FocusHeight = FocusInfo[3]
FocusCaption = FocusInfo[4]
FocusLinkURL = FocusInfo[5]
FocusLinkText = FocusInfo[6]
FocusCredit = FocusInfo[7]

document.write('<img src="images/rotate/' + FocusFileName + '" alt="' + FocusAlt + '" width="' + FocusWidth + '" height="' + FocusHeight + '" border="0" >');

}