var imageFiles_gk_1 = new Array();
imageFiles_gk_1['0'] = new Array ('_images/gk_Home.gif', '_images/gk_HomeMouseover.gif');
imageFiles_gk_1['1'] = new Array ('_images/gk_CT_Materials.gif', '_images/gk_CT_MaterialsMouseover.gif');
imageFiles_gk_1['2'] = new Array ('_images/gk_CWT_Materials.gif', '_images/gk_CWT_MaterialsMouseover.gif');
imageFiles_gk_1['3'] = new Array ('_images/gk_MCT_Materials.gif', '_images/gk_MCT_MaterialsMouseover.gif');
imageFiles_gk_1['4'] = new Array ('_images/gk_CBP_Materials.gif', '_images/gk_CBP_MaterialsMouseover.gif');
imageFiles_gk_1['5'] = new Array ('_images/gk_TLS_Trainers.gif', '_images/gk_TLS_TrainersMouseover.gif');
imageFiles_gk_1['6'] = new Array ('_images/gk_CTLC_Materials.gif', '_images/gk_CTLC_MaterialsMouseover.gif');
imageFiles_gk_1['7'] = new Array ('_images/gk_nutraMetrix.gif', '_images/gk_nutraMetrixMouseover.gif');
imageFiles_gk_1['8'] = new Array ('_images/gk_CET_Materials.gif', '_images/gk_CET_MaterialsMouseover.gif');

function image_on_gk_1 (position) {
   var doc = eval("document.imagegk_1" + position);
   doc.src = imageFiles_gk_1[position][1];
}

function image_off_gk_1 (position) {
   var doc = eval("document.imagegk_1" + position);
   doc.src = imageFiles_gk_1[position][0];
}