function set_zIndex(objectId, ind) {
var object = document.getElementById(objectId);
object.style.zIndex = ind; }
function set_i() {
set_zIndex('delta', 1);
set_zIndex('freelancer', 1);
set_zIndex('morrowind', 1);
set_zIndex('sacred', 2);
set_zIndex('pic', 2);
set_zIndex('fallout_3', 3);
set_zIndex('nwn_2', 3);
set_zIndex('lockon', 3);
set_zIndex('battlefield_bc2', 3);}
function find_zIndex(objectId) {
ind = new Array('delta', 'freelancer', 'morrowind', 'sacred', 'pic', 'fallout_3', 'nwn_2', 'lockon')
var j = 0;
for(var i=0; i<ind.length; i++) {
var obj = document.getElementById(ind[i]);
if (parseInt(obj.style.zIndex, 10)>j) j=parseInt(obj.style.zIndex, 10);}
var object = document.getElementById(objectId);
set_zIndex(objectId, j+1);}