var strShow = 'ÅÙåÇÑ';
var strHide = 'ÅÎÝÇÁ';
var strRtl = '_rtl';
var browserUA = navigator.userAgent.toLowerCase();

var cwid = window.screen.width;
if (browserUA.indexOf("msie") == -1) {
    cwid = window.screen.width
}

if (browserUA.indexOf("msie") != -1) {
    document.body.style.textAlign = "center";
}
if (browserUA.indexOf("firefox") != -1) {
    document.body.style.textAlign = "-moz-center";
}
if (browserUA.indexOf("chrome") != -1) {
    document.body.style.textAlign = "-ktml-center";
}