function setCookie (name, value, expires, path, domain, secure) {
      document.cookie = name + "=" + escape(value) +
        ((expires) ? "; expires=" + expires : "") +
        ((path) ? "; path=" + path : "") +
        ((domain) ? "; domain=" + domain : "") +
        ((secure) ? "; secure" : "");
}

function getCookie(name) {
 var cookie = " " + document.cookie;
 var search = " " + name + "=";
 var setStr = null;
 var offset = 0;
 var end = 0;
 if (cookie.length > 0) {
  offset = cookie.indexOf(search);
  if (offset != -1) {
   offset += search.length;
   end = cookie.indexOf(";", offset)
   if (end == -1) {
    end = cookie.length;
   }
   setStr = unescape(cookie.substring(offset, end));
  }
 }
 return(setStr);
}

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

function init(){
    curstyle = getCookie("curstyle");
    if ((curstyle == "null") || (curstyle == "white")){
        curstyle = "white";
        setWhite();
    } else {
        setBlack();
    }
}

function setBlack(){
    document.getElementById ('white').disabled = 1; 
    document.getElementById ('black').disabled = 0; 
    document.images['logo_img'].src = '/img/logo/logo_white.gif';
    deleteCookie("curstyle", "/", "darkroom.ru");
    setCookie("curstyle", "black", "", "/", "darkroom.ru");
    return true;
}

function setWhite(){
    document.getElementById ('white').disabled = 0; 
    document.getElementById ('black').disabled = 1; 
    document.images['logo_img'].src = '/img/logo/logo.gif';
    deleteCookie("curstyle", "/", "darkroom.ru");
    setCookie("curstyle", "white", "", "/", "darkroom.ru");
    return true;
}