var browser = navigator.userAgent;

var availwidth = new Number(0);
var availheight = new Number(0);

var isIE = false;
var isIE7 = false;
var isSafari = false;
var isFireFox = false;
var isOpera = false;

if (browser.indexOf("Opera") >= 0) {
    isOpera = true;
    isIE = false;
    isSafari = false;
    isFireFox = false;
}
else if (browser.indexOf("MSIE") >= 0) {
    isIE = true;
    isOpera = false;
    isSafari = false;
    isFireFox = false;
    if (browser.indexOf("MSIE 7") >= 0) {
        isIE7 = true;
    }
}
else if (browser.indexOf("Safari") >= 0) {
    isSafari = true;
    isIE = false;
    isOpera = false;
    isFireFox = false;
}
else if (browser.indexOf("Firefox") >= 0) {
    isFireFox = true;
    isSafari = false;
    isIE = false;
    isOpera = false;
}

if (isIE == true) {
    availwidth = new Number(screen.width);
    availheight = new Number(screen.height);
}
else {
    availwidth = new Number(screen.availWidth);
    availheight = new Number(screen.availHeight);
}
function SetStyleSheet() {
    if (availwidth > 1000) {
        document.write('<link rel="stylesheet" type="text/css" href="includes/v31024.css">')
    }
}

function ResetPageWidth() 
{
    if (availwidth > 1000) 
    {
        var objliRight = document.getElementById("liRight");
        if (objliRight != null) 
        {
            objliRight.style.width = ((isIE==true)?"830px":"890px");
        }
    }
}