var imageFiles_a7_28 = new Array();
imageFiles_a7_28['0'] = new Array ('_images/a7_Products.gif', '_images/a7_ProductsMouseover.gif');
imageFiles_a7_28['1'] = new Array ('_images/a7_Services.gif', '_images/a7_ServicesMouseover.gif');
imageFiles_a7_28['2'] = new Array ('_images/a7_Installation.gif', '_images/a7_InstallationMouseover.gif');
imageFiles_a7_28['3'] = new Array ('_images/a7_Warranty_Info.gif', '_images/a7_Warranty_InfoMouseover.gif');

function image_on_a7_28 (position) {
   var doc = eval("document.imagea7_28" + position);
   doc.src = imageFiles_a7_28[position][1];
}

function image_off_a7_28 (position) {
   var doc = eval("document.imagea7_28" + position);
   doc.src = imageFiles_a7_28[position][0];
}