var imageFiles_fi_1 = new Array();
imageFiles_fi_1['0'] = new Array ('_images/fi_Sling_Types.gif', '_images/fi_Sling_TypesMouseover.gif');
imageFiles_fi_1['1'] = new Array ('_images/fi_Sling_Instructions.gif', '_images/fi_Sling_InstructionsMouseover.gif');

function image_on_fi_1 (position) {
   var doc = eval("document.imagefi_1" + position);
   doc.src = imageFiles_fi_1[position][1];
}

function image_off_fi_1 (position) {
   var doc = eval("document.imagefi_1" + position);
   doc.src = imageFiles_fi_1[position][0];
}