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;
	SetCookie('opendsc',2);
}