var imageFiles_6_4 = new Array();
imageFiles_6_4['0'] = new Array ('_images/6_Promotions.gif', '_images/6_PromotionsMouseover.gif');
imageFiles_6_4['1'] = new Array ('_images/6_News.gif', '_images/6_NewsMouseover.gif');
imageFiles_6_4['2'] = new Array ('_images/6_Suppliers.gif', '_images/6_SuppliersMouseover.gif');
imageFiles_6_4['3'] = new Array ('_images/6_Calculators.gif', '_images/6_CalculatorsMouseover.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];
}