var imageFiles_11_31 = new Array();
imageFiles_11_31['0'] = new Array ('_images/11_Security_Consulting.gif', '_images/11_Security_ConsultingMouseover.gif');
imageFiles_11_31['1'] = new Array ('_images/11_Investigation.gif', '_images/11_InvestigationMouseover.gif');
imageFiles_11_31['2'] = new Array ('_images/11_Related_Services.gif', '_images/11_Related_ServicesMouseover.gif');
imageFiles_11_31['3'] = new Array ('_images/11_References.gif', '_images/11_ReferencesMouseover.gif');
imageFiles_11_31['4'] = new Array ('_images/11_Helpful_Links.gif', '_images/11_Helpful_LinksMouseover.gif');

function image_on_11_31 (position) {
   var doc = eval("document.image11_31" + position);
   doc.src = imageFiles_11_31[position][1];
}

function image_off_11_31 (position) {
   var doc = eval("document.image11_31" + position);
   doc.src = imageFiles_11_31[position][0];
}