function SetCookie(cookieName, cookieData) {
    var expires = new Date ();
    expires.setTime(expires.getTime() + 1 * (24 * 60 * 60 * 1000));
    document.cookie = cookieName + "=" + escape(cookieData) + "; expires=" + expires.toGMTString();
} 

function GetCookie(name) {
    var dc = document.cookie;
    var prefix = name + "=";
    var begin = dc.indexOf("; " + prefix);
    if (begin == -1)
    {
        begin = dc.indexOf(prefix);
        if (begin != 0) return null;
    }
    else
    {
        begin += 2;
    }
    var end = document.cookie.indexOf(";", begin);
    if (end == -1)
    {
        end = dc.length;
    }
    return unescape(dc.substring(begin + prefix.length, end));
} 

var opendsc=GetCookie('opendsc');
if (opendsc != 2){
window.screen.width>800 ? scwidth=700:scwidth=475;
window.screen.width>800 ? scheight=475:scheight=308;
document.writeln("<div id=\"ts\" style=\"filter: alpha(opacity=90);opacity:0;position:absolute;left:700px;top:475px;z-index:1000\" onselectstart=\"self.event.returnValue=false\" oncontextmenu=\"return false;\">");
document.writeln("<img src=\"http://www.txcai.com/images/txcai.gif\" width=\"300\" height=\"60\" border=\"0\" usemap=\"#Map\" />");
document.writeln("<map name=\"Map\" id=\"Map\">");
document.writeln("<area shape=\"rect\" coords=\"173,5,286,28\" href=\"http://www.txcai.com\" target=\"_blank\" alt=\"点击打开\" />");
document.writeln("<area shape=\"rect\" coords=\"76,30,152,55\" onclick=\"window.external.addFavorite('http://www.txcai.com','天下彩票网Www.Txcai.Com')\" href=\"javascript:void(0)\" target=\"_self\" />");
document.writeln("<area shape=\"rect\" coords=\"160,30,236,55\" onClick=\"this.style.behavior='url(#default#homepage)';this.setHomePage('http://www.txcai.com');return false;\"  href=\"#\" />");
document.writeln("<area shape=\"rect\" coords=\"245,30,284,55\" onclick=\"ts.style.display='none';return false;\" href=\"#\" />");
document.writeln("</map></div>");
SetCookie('opendsc',2);
}