var imageFiles_13_1 = new Array();
imageFiles_13_1['0'] = new Array ('_images/13_Home___.gif', '_images/13_Home___Mouseover.gif');
imageFiles_13_1['1'] = new Array ('_images/13_About_Us___.gif', '_images/13_About_Us___Mouseover.gif');
imageFiles_13_1['2'] = new Array ('_images/13_Services___.gif', '_images/13_Services___Mouseover.gif');
imageFiles_13_1['3'] = new Array ('_images/13_Equipment_List___.gif', '_images/13_Equipment_List___Mouseover.gif');
imageFiles_13_1['4'] = new Array ('_images/13_Quote_Request___.gif', '_images/13_Quote_Request___Mouseover.gif');
imageFiles_13_1['5'] = new Array ('_images/13_Contact_Us___.gif', '_images/13_Contact_Us___Mouseover.gif');

function image_on_13_1 (position) {
   var doc = eval("document.image13_1" + position);
   doc.src = imageFiles_13_1[position][1];
}

function image_off_13_1 (position) {
   var doc = eval("document.image13_1" + position);
   doc.src = imageFiles_13_1[position][0];
}