var imageFiles_18_22 = new Array();
imageFiles_18_22['0'] = new Array ('_images/18_Products.gif', '_images/18_ProductsMouseover.gif');
imageFiles_18_22['1'] = new Array ('_images/18_Remodel.gif', '_images/18_RemodelMouseover.gif');
imageFiles_18_22['2'] = new Array ('_images/18_Construction.gif', '_images/18_ConstructionMouseover.gif');

function image_on_18_22 (position) {
   var doc = eval("document.image18_22" + position);
   doc.src = imageFiles_18_22[position][1];
}

function image_off_18_22 (position) {
   var doc = eval("document.image18_22" + position);
   doc.src = imageFiles_18_22[position][0];
}