var winH = screen.height;
var winW = screen.width;
if (winW <= 1024) 
document.write('<link href="css/1024stylemain.css" rel="stylesheet" type="text/css" />');
var winH = screen.height;
var winW = screen.width;
if (winW <= 1024 + window.ie8)
document.write('<link href="css/1024stylemain.css" rel="stylesheet" type="text/css" />');