var imageFiles_7t_7 = new Array();
imageFiles_7t_7['0'] = new Array ('_images/7t_SmartLine_com.gif', '_images/7t_SmartLine_comMouseover.gif');

function image_on_7t_7 (position) {
   var doc = eval("document.image7t_7" + position);
   doc.src = imageFiles_7t_7[position][1];
}

function image_off_7t_7 (position) {
   var doc = eval("document.image7t_7" + position);
   doc.src = imageFiles_7t_7[position][0];
}