function getPageCharset() {
    var E;
    var A=document.getElementsByTagName("meta");
    if(A&&A.length>0){
        for(var C=0,B=A.length;C<B;C++){
            if(A[C].content){
                var D=A[C].content.match(/charset=(.*)/);
                if(D){
                    E=D[1];
                    break
                }
            }
        }
    }else{
        E=document.characterSet ? document.characterSet : document.charset
    }
    return E
}

function getCookie( name ) {
    var start = document.cookie.indexOf( name + "=" );
    var len = start + name.length + 1;
    if ( ( !start ) && ( name != document.cookie.substring( 0, name.length ) ) ) {
        return null;
    }
    if ( start == -1 ) return null;
    var end = document.cookie.indexOf( ';', len );
    if ( end == -1 ) end = document.cookie.length;
    return unescape( document.cookie.substring( len, end ) );
}

function setCookie( name, value, expires, path, domain, secure ) {
    var today = new Date();
    today.setTime( today.getTime() );
    if ( expires ) {
        expires = expires * 1000 * 60 * 60 * 24;
    }
    var expires_date = new Date( today.getTime() + (expires) );
    document.cookie = name+'='+escape( value ) +
    ( ( expires ) ? ';expires='+expires_date.toGMTString() : '' ) + //expires.toGMTString()
    ( ( path ) ? ';path=' + path : '' ) +
    ( ( domain ) ? ';domain=' + domain : '' ) +
    ( ( secure ) ? ';secure' : '' );
}

function deleteCookie( name, path, domain ) {
    if ( getCookie( name ) ) document.cookie = name + '=' +
    ( ( path ) ? ';path=' + path : '') +
    ( ( domain ) ? ';domain=' + domain : '' ) +
    ';expires=Thu, 01-Jan-1970 00:00:01 GMT';
}

function sweb_ban_show(rId) {
    var r=Math.floor(Math.random()*100000);
    var c = getCookie('sweb_bans');
    document.write("<script src='http://ad.sweb.ru/"+rId+"/?c="+c+'&'+r+"'>\</script\>");
}

function sweb_bans_show(rId, param) {
    var r=Math.floor(Math.random()*100000);
    var c = getCookie('sweb_bans');
    document.write("<script src='http://ad.sweb.ru/"+rId+"/"+param+"?c="+c+'&'+r+"'>\</script\>");
}

deleteCookie('sweb_bans','/');
deleteCookie('sweb_bans');