var imageFiles_a4_1 = new Array();
imageFiles_a4_1['0'] = new Array ('_images/a4_Home_Page.gif', '_images/a4_Home_PageMouseover.gif');
imageFiles_a4_1['1'] = new Array ('_images/a4_Services_Support.gif', '_images/a4_Services_SupportMouseover.gif');
imageFiles_a4_1['2'] = new Array ('_images/a4_HP_Plotters.gif', '_images/a4_HP_PlottersMouseover.gif');
imageFiles_a4_1['3'] = new Array ('_images/a4_Seiko.gif', '_images/a4_SeikoMouseover.gif');
imageFiles_a4_1['4'] = new Array ('_images/a4_Supplies_Accessories.gif', '_images/a4_Supplies_AccessoriesMouseover.gif');
imageFiles_a4_1['5'] = new Array ('_images/a4_Hot_Deals.gif', '_images/a4_Hot_DealsMouseover.gif');
imageFiles_a4_1['6'] = new Array ('_images/a4_FAQ.gif', '_images/a4_FAQMouseover.gif');
imageFiles_a4_1['7'] = new Array ('_images/a4_How_To_Contact_Us.gif', '_images/a4_How_To_Contact_UsMouseover.gif');
imageFiles_a4_1['8'] = new Array ('_images/a4_Request_Product_Quote.gif', '_images/a4_Request_Product_QuoteMouseover.gif');

function image_on_a4_1 (position) {
   var doc = eval("document.imagea4_1" + position);
   doc.src = imageFiles_a4_1[position][1];
}

function image_off_a4_1 (position) {
   var doc = eval("document.imagea4_1" + position);
   doc.src = imageFiles_a4_1[position][0];
}