var imageFiles_pe_31 = new Array();
imageFiles_pe_31['0'] = new Array ('_images/pe_220.gif', '_images/pe_220Mouseover.gif');
imageFiles_pe_31['1'] = new Array ('_images/pe_220CC.gif', '_images/pe_220CCMouseover.gif');
imageFiles_pe_31['2'] = new Array ('_images/pe_260.gif', '_images/pe_260Mouseover.gif');
imageFiles_pe_31['3'] = new Array ('_images/pe_290SC.gif', '_images/pe_290SCMouseover.gif');
imageFiles_pe_31['4'] = new Array ('_images/pe_322.gif', '_images/pe_322Mouseover.gif');
imageFiles_pe_31['5'] = new Array ('_images/pe_360.gif', '_images/pe_360Mouseover.gif');
imageFiles_pe_31['6'] = new Array ('_images/pe_390.gif', '_images/pe_390Mouseover.gif');
imageFiles_pe_31['7'] = new Array ('_images/pe_410.gif', '_images/pe_410Mouseover.gif');
imageFiles_pe_31['8'] = new Array ('_images/pe_VR1.gif', '_images/pe_VR1Mouseover.gif');

function image_on_pe_31 (position) {
   var doc = eval("document.imagepe_31" + position);
   doc.src = imageFiles_pe_31[position][1];
}

function image_off_pe_31 (position) {
   var doc = eval("document.imagepe_31" + position);
   doc.src = imageFiles_pe_31[position][0];
}