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

function writeCookie(name, value)
{
  var expire = "";
    expire = new Date((new Date()).getTime() + 24 * 365 * 3600000);
    expire = "; expires=" + expire.toGMTString();
  document.cookie = name + "=" + escape(value) + expire;
}

function GetStyle(n){
	for(var i=1;i<document.styleSheets.length;++i){
			if(document.styleSheets[i].href)
				document.styleSheets[i].disabled=true;
		}
	try{
		document.createStyleSheet(n?"style/Sty0"+n+".css":"style/main.css");
	}catch(e){
	}
	writeCookie("cnetnet_gsbook",n);
}

var sCookiesStyle = readCookie("cnetnet_gsbook");
if(!parseInt(sCookiesStyle)) sCookiesStyle=1; 
GetStyle(sCookiesStyle);