var imageFiles_4j8_1 = new Array();
imageFiles_4j8_1['0'] = new Array ('_images/4j8_Bulls_.gif', '_images/4j8_Bulls_Mouseover.gif');
imageFiles_4j8_1['1'] = new Array ('_images/4j8_Young_Bulls.gif', '_images/4j8_Young_BullsMouseover.gif');
imageFiles_4j8_1['2'] = new Array ('_images/4j8_Semen_Sales.gif', '_images/4j8_Semen_SalesMouseover.gif');
imageFiles_4j8_1['3'] = new Array ('_images/4j8_Females.gif', '_images/4j8_FemalesMouseover.gif');
imageFiles_4j8_1['4'] = new Array ('_images/4j8_History.gif', '_images/4j8_HistoryMouseover.gif');
imageFiles_4j8_1['5'] = new Array ('_images/4j8_E_Mail_Us.gif', '_images/4j8_E_Mail_UsMouseover.gif');

function image_on_4j8_1 (position) {
   var doc = eval("document.image4j8_1" + position);
   doc.src = imageFiles_4j8_1[position][1];
}

function image_off_4j8_1 (position) {
   var doc = eval("document.image4j8_1" + position);
   doc.src = imageFiles_4j8_1[position][0];
}