var imageFiles_i_1 = new Array();
imageFiles_i_1['0'] = new Array ('_images/i_Contact_Us_.gif', '_images/i_Contact_Us_Mouseover.gif');

function image_on_i_1 (position) {
   var doc = eval("document.imagei_1" + position);
   doc.src = imageFiles_i_1[position][1];
}

function image_off_i_1 (position) {
   var doc = eval("document.imagei_1" + position);
   doc.src = imageFiles_i_1[position][0];
}