if (window.innerWidth == null) var w = document.body.clientWidth;
else var w = window.innerWidth;
var width = ((w-735)/2)

var m1 = width + 140;
var m2 = width + 255;
var m3 = width + 365;

var styles = "<style type=\"text/css\" media=\"all\">\n";
for (i = 1; i <= 3; i++){
	layer = eval("m"+i);
	styles += "#menu" + i + " {left:"+ layer + "px;}\n";
}
styles += "</style>\n";

document.write(styles);