var imageFiles_8_15 = new Array();
imageFiles_8_15['0'] = new Array ('_images/8_Home.gif', '_images/8_HomeMouseover.gif');
imageFiles_8_15['1'] = new Array ('_images/8_About_Us.gif', '_images/8_About_UsMouseover.gif');
imageFiles_8_15['2'] = new Array ('_images/8_Products___Services.gif', '_images/8_Products___ServicesMouseover.gif');
imageFiles_8_15['3'] = new Array ('_images/8_Research_Team.gif', '_images/8_Research_TeamMouseover.gif');
imageFiles_8_15['4'] = new Array ('_images/8_Contact_Us.gif', '_images/8_Contact_UsMouseover.gif');
imageFiles_8_15['5'] = new Array ('_images/8_Feedback.gif', '_images/8_FeedbackMouseover.gif');
imageFiles_8_15['6'] = new Array ('_images/8_Free_Checklist.gif', '_images/8_Free_ChecklistMouseover.gif');
imageFiles_8_15['7'] = new Array ('_images/8_FAQ.gif', '_images/8_FAQMouseover.gif');
imageFiles_8_15['8'] = new Array ('_images/8_Blog.gif', '_images/8_BlogMouseover.gif');
imageFiles_8_15['9'] = new Array ('_images/8_Staff_Section_Login.gif', '_images/8_Staff_Section_LoginMouseover.gif');

function image_on_8_15 (position) {
   var doc = eval("document.image8_15" + position);
   doc.src = imageFiles_8_15[position][1];
}

function image_off_8_15 (position) {
   var doc = eval("document.image8_15" + position);
   doc.src = imageFiles_8_15[position][0];
}