// --- ÉèÖÃcookie
function SkinsetCookie(name,value,days) {
  if (days) {
    var date = new Date();
    date.setTime(date.getTime()+(days*24*60*60*1000));
    var expires = "; expires="+date.toGMTString();
  }
  else expires = "";
  document.cookie = name+"="+value+expires+"; path=/";
}
//--- »ñÈ¡cookie
function SkingetCookie(name) {
  var nameEQ = name + "=";
  var ca = document.cookie.split(';');
  for(var i=0;i < ca.length;i++) {
    var c = ca[i];
    while (c.charAt(0)==' ') c = c.substring(1,c.length);
    if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
  }
  return null;
}


function shiftSkin(cssfile) {
css = document.createElement("link");
css.id= 'skin_styles';
css.type = 'text/css';
css.rel = 'stylesheet';
css.href = cssfile+ '.css';
var headNode = document.getElementsByTagName("head")[0];
headNode.appendChild(css);
SkinsetCookie("skin_styles_id",cssfile,30);
}
function shiftSkin2(cssfile) {
css = document.createElement("link");
css.id= 'skin_styles';
css.type = 'text/css';
css.rel = 'stylesheet';
css.href = cssfile+ '.css';
var headNode = document.getElementsByTagName("head")[0];
headNode.appendChild(css);
SkinsetCookie("skin_styles_id",cssfile,30);
document.getElementById("go_button_img").src=SkingetCookie("skin_styles_id")+'/go_button.gif';
document.getElementById("logo_img").src=SkingetCookie("skin_styles_id")+'/logo.gif';
}

function skincss(cssfile){
	if(SkingetCookie("skin_styles_id")!=null){
		shiftSkin(SkingetCookie("skin_styles_id"));
	}else{
		shiftSkin(cssfile);
	}
}