// *** Cookies ***
function writeCookie(name, value) {
	exp = new Date(); 
	exp.setTime(exp.getTime() + (86400 * 1000 * 30));
	document.cookie = name + "=" + escape(value) + "; expires=" + exp.toGMTString() + "; path=/"; 
	document.cookie.replace("stylesheet=css0","stylesheet="+value);
} 
function readCookie(name) { 
	var search; 
	search = name + "="; 
	offset = document.cookie.indexOf(search); 
	if (offset != -1) { 
		offset += search.length; 
		end = document.cookie.indexOf(";", offset); 
		if (end == -1){
			end = document.cookie.length;
		}
		return unescape(document.cookie.substring(offset, end)); 
	}else{
		return "";
	}
}

function setStyleSheet(strCSS){
  var objs=document.getElementsByTagName("link");
  var intFound=0;
  for(var i=0;i<objs.length;i++){
    if(objs[i].type.indexOf("css")>-1&&objs[i].title){
      objs[i].disabled = true;
      if(objs[i].title==strCSS) intFound=i;
    }
  }
  objs[intFound].disabled = false;
  writeCookie("stylesheet",objs[intFound].title);
}