var imageFiles_18c_1 = new Array();
imageFiles_18c_1['0'] = new Array ('_images/18c_Home.gif', '_images/18c_HomeMouseover.gif');
imageFiles_18c_1['1'] = new Array ('_images/18c_Contact_Us.gif', '_images/18c_Contact_UsMouseover.gif');
imageFiles_18c_1['2'] = new Array ('_images/18c_Design_Center.gif', '_images/18c_Design_CenterMouseover.gif');
imageFiles_18c_1['3'] = new Array ('_images/18c_FAQ.gif', '_images/18c_FAQMouseover.gif');

function image_on_18c_1 (position) {
   var doc = eval("document.image18c_1" + position);
   doc.src = imageFiles_18c_1[position][1];
}

function image_off_18c_1 (position) {
   var doc = eval("document.image18c_1" + position);
   doc.src = imageFiles_18c_1[position][0];
}