var imageFiles_1xopt_31 = new Array();
imageFiles_1xopt_31['0'] = new Array ('_images/1xopt_Affiliate_Links.gif', '_images/1xopt_Affiliate_LinksMouseover.gif');
imageFiles_1xopt_31['1'] = new Array ('_images/1xopt_Allergy_Testing.gif', '_images/1xopt_Allergy_TestingMouseover.gif');
imageFiles_1xopt_31['2'] = new Array ('_images/1xopt_Amazon_Com.gif', '_images/1xopt_Amazon_ComMouseover.gif');
imageFiles_1xopt_31['3'] = new Array ('_images/1xopt_Home.gif', '_images/1xopt_HomeMouseover.gif');
imageFiles_1xopt_31['4'] = new Array ('_images/1xopt_Catalog.gif', '_images/1xopt_CatalogMouseover.gif');
imageFiles_1xopt_31['5'] = new Array ('_images/1xopt_Cart.gif', '_images/1xopt_CartMouseover.gif');
imageFiles_1xopt_31['6'] = new Array ('_images/1xopt_Celiac_Disease.gif', '_images/1xopt_Celiac_DiseaseMouseover.gif');
imageFiles_1xopt_31['7'] = new Array ('_images/1xopt_Contact_Us.gif', '_images/1xopt_Contact_UsMouseover.gif');
imageFiles_1xopt_31['8'] = new Array ('_images/1xopt_DaVinci_Labs.gif', '_images/1xopt_DaVinci_LabsMouseover.gif');
imageFiles_1xopt_31['9'] = new Array ('_images/1xopt_Favorite_Links.gif', '_images/1xopt_Favorite_LinksMouseover.gif');
imageFiles_1xopt_31['10'] = new Array ('_images/1xopt_Search.gif', '_images/1xopt_SearchMouseover.gif');
imageFiles_1xopt_31['11'] = new Array ('_images/1xopt_Lifestyle_Program.gif', '_images/1xopt_Lifestyle_ProgramMouseover.gif');
imageFiles_1xopt_31['12'] = new Array ('_images/1xopt_Omega_3_Information.gif', '_images/1xopt_Omega_3_InformationMouseover.gif');
imageFiles_1xopt_31['13'] = new Array ('_images/1xopt_Omega_3_Purity.gif', '_images/1xopt_Omega_3_PurityMouseover.gif');
imageFiles_1xopt_31['14'] = new Array ('_images/1xopt_Staff.gif', '_images/1xopt_StaffMouseover.gif');
imageFiles_1xopt_31['15'] = new Array ('_images/1xopt_VSL_3.gif', '_images/1xopt_VSL_3Mouseover.gif');

function image_on_1xopt_31 (position) {
   var doc = eval("document.image1xopt_31" + position);
   doc.src = imageFiles_1xopt_31[position][1];
}

function image_off_1xopt_31 (position) {
   var doc = eval("document.image1xopt_31" + position);
   doc.src = imageFiles_1xopt_31[position][0];
}