var imageFiles_l_1 = new Array();
imageFiles_l_1['0'] = new Array ('_images/l_Artist.gif', '_images/l_ArtistMouseover.gif');
imageFiles_l_1['1'] = new Array ('_images/l_Product.gif', '_images/l_ProductMouseover.gif');
imageFiles_l_1['2'] = new Array ('_images/l_Design.gif', '_images/l_DesignMouseover.gif');
imageFiles_l_1['3'] = new Array ('_images/l_Dog_Knockers.gif', '_images/l_Dog_KnockersMouseover.gif');

function image_on_l_1 (position) {
   var doc = eval("document.imagel_1" + position);
   doc.src = imageFiles_l_1[position][1];
}

function image_off_l_1 (position) {
   var doc = eval("document.imagel_1" + position);
   doc.src = imageFiles_l_1[position][0];
}