var imageFiles_6_4 = new Array();
imageFiles_6_4['0'] = new Array ('_images/6_Home.gif', '_images/6_HomeMouseover.gif');
imageFiles_6_4['1'] = new Array ('_images/6_About_Us.gif', '_images/6_About_UsMouseover.gif');
imageFiles_6_4['2'] = new Array ('_images/6_Services.gif', '_images/6_ServicesMouseover.gif');
imageFiles_6_4['3'] = new Array ('_images/6_Safety.gif', '_images/6_SafetyMouseover.gif');
imageFiles_6_4['4'] = new Array ('_images/6_FAQ_s.gif', '_images/6_FAQ_sMouseover.gif');
imageFiles_6_4['5'] = new Array ('_images/6_Certificates.gif', '_images/6_CertificatesMouseover.gif');
imageFiles_6_4['6'] = new Array ('_images/6_Contact_Us.gif', '_images/6_Contact_UsMouseover.gif');

function image_on_6_4 (position) {
   var doc = eval("document.image6_4" + position);
   doc.src = imageFiles_6_4[position][1];
}

function image_off_6_4 (position) {
   var doc = eval("document.image6_4" + position);
   doc.src = imageFiles_6_4[position][0];
}