var mx, my;
/*  mx,my are the coordinates of the lower left corner ofthe image bar menu
, and are recalculated with every window resize */
calculateMenuXY();

if (!ez_NN4) {
window.onresize = function() {
 calculateMenuXY();
}
}

function calculateMenuXY() {
/* Code to detect dimensions of current window */
var height, width;
if (document.all) {
 height = document.body.offsetHeight;
 width = document.body.offsetWidth;
}
else {
 height = window.innerHeight;
 width = window.innerWidth;
}
/* Calcute menu coordinates */
mx = (width - 780)/2; if (mx < 0) mx = 0;
my = 154;
}