var imageFiles_no_21 = new Array();
imageFiles_no_21['0'] = new Array ('_images/no_UX5000.gif', '_images/no_UX5000Mouseover.gif');
imageFiles_no_21['1'] = new Array ('_images/no_UX5000_Demo.gif', '_images/no_UX5000_DemoMouseover.gif');
imageFiles_no_21['2'] = new Array ('_images/no_Aspire_Systems.gif', '_images/no_Aspire_SystemsMouseover.gif');
imageFiles_no_21['3'] = new Array ('_images/no_Aspire_Demo.gif', '_images/no_Aspire_DemoMouseover.gif');
imageFiles_no_21['4'] = new Array ('_images/no_VM_Demo.gif', '_images/no_VM_DemoMouseover.gif');
imageFiles_no_21['5'] = new Array ('_images/no_iSeries.gif', '_images/no_iSeriesMouseover.gif');
imageFiles_no_21['6'] = new Array ('_images/no_Kentrox.gif', '_images/no_KentroxMouseover.gif');
imageFiles_no_21['7'] = new Array ('_images/no_Plantronics.gif', '_images/no_PlantronicsMouseover.gif');
imageFiles_no_21['8'] = new Array ('_images/no_Websites.gif', '_images/no_WebsitesMouseover.gif');
imageFiles_no_21['9'] = new Array ('_images/no_Around_Town.gif', '_images/no_Around_TownMouseover.gif');
imageFiles_no_21['10'] = new Array ('_images/no_ConferTel.gif', '_images/no_ConferTelMouseover.gif');

function image_on_no_21 (position) {
   var doc = eval("document.imageno_21" + position);
   doc.src = imageFiles_no_21[position][1];
}

function image_off_no_21 (position) {
   var doc = eval("document.imageno_21" + position);
   doc.src = imageFiles_no_21[position][0];
}