var imageFiles_13_19 = new Array();
imageFiles_13_19['0'] = new Array ('_images/13_Home___.gif', '_images/13_Home___Mouseover.gif');
imageFiles_13_19['1'] = new Array ('_images/13_About_Us___.gif', '_images/13_About_Us___Mouseover.gif');
imageFiles_13_19['2'] = new Array ('_images/13_Services___.gif', '_images/13_Services___Mouseover.gif');
imageFiles_13_19['3'] = new Array ('_images/13_Equipment_List___.gif', '_images/13_Equipment_List___Mouseover.gif');
imageFiles_13_19['4'] = new Array ('_images/13_Quote_Request___.gif', '_images/13_Quote_Request___Mouseover.gif');
imageFiles_13_19['5'] = new Array ('_images/13_Contact_Us___.gif', '_images/13_Contact_Us___Mouseover.gif');

function image_on_13_19 (position) {
   var doc = eval("document.image13_19" + position);
   doc.src = imageFiles_13_19[position][1];
}

function image_off_13_19 (position) {
   var doc = eval("document.image13_19" + position);
   doc.src = imageFiles_13_19[position][0];
}