var imageFiles_12_13 = new Array();
imageFiles_12_13['0'] = new Array ('_images/12_Home.gif', '_images/12_HomeMouseover.gif');
imageFiles_12_13['1'] = new Array ('_images/12_About_Us.gif', '_images/12_About_UsMouseover.gif');
imageFiles_12_13['2'] = new Array ('_images/12_Features.gif', '_images/12_FeaturesMouseover.gif');
imageFiles_12_13['3'] = new Array ('_images/12_Hosting.gif', '_images/12_HostingMouseover.gif');
imageFiles_12_13['4'] = new Array ('_images/12_Request_a_Quote.gif', '_images/12_Request_a_QuoteMouseover.gif');
imageFiles_12_13['5'] = new Array ('_images/12_Careers.gif', '_images/12_CareersMouseover.gif');
imageFiles_12_13['6'] = new Array ('_images/12_Client_Login.gif', '_images/12_Client_LoginMouseover.gif');

function image_on_12_13 (position) {
   var doc = eval("document.image12_13" + position);
   doc.src = imageFiles_12_13[position][1];
}

function image_off_12_13 (position) {
   var doc = eval("document.image12_13" + position);
   doc.src = imageFiles_12_13[position][0];
}