var imageFiles_519_1 = new Array();
imageFiles_519_1['0'] = new Array ('_images/519_Back_to_Szechuan_Pg__1.gif', '_images/519_Back_to_Szechuan_Pg__1Mouseover.gif');

function image_on_519_1 (position) {
   var doc = eval("document.image519_1" + position);
   doc.src = imageFiles_519_1[position][1];
}

function image_off_519_1 (position) {
   var doc = eval("document.image519_1" + position);
   doc.src = imageFiles_519_1[position][0];
}