function handleEvent(obj, event, func) {
//generic eventhandler (add only)
    try {
        obj.addEventListener(event, func, false);
    } catch (e) {
		try {
			obj.attachEvent('on'+event,func);
		} catch (e) {
	        if (typeof obj['on'+event] == "function") {
	            var existing = obj['on'+event];
	            obj['on'+event] = function () { func(); existing();};
	        } else {
	            obj['on'+event] = func;                        
	        }
		}
    }
}

function setActiveStyleSheet(title,doReload) {
  var i, a, main;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
      a.disabled = true;
      if(a.getAttribute("title") == title) a.disabled = false;
    }
  }
  if(navigator.userAgent.indexOf('Gecko')!=-1&&doReload)location.reload();
}

function getActiveStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) return a.getAttribute("title");
  }
  return null;
}

function getPreferredStyleSheet() {
  var i, a;
  for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
    if(a.getAttribute("rel").indexOf("style") != -1
       && a.getAttribute("rel").indexOf("alt") == -1
       && a.getAttribute("title")
       ) return a.getAttribute("title");
  }
  return null;
}

function createCookie(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=/";
}

function readCookie(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 stylesheetMemory() {
  var cookie = readCookie("style");
  var title = cookie ? cookie : getPreferredStyleSheet();
  setActiveStyleSheet(title);
}
handleEvent(window,'load',stylesheetMemory);

function setStyleCookie() {
  var title = getActiveStyleSheet();
  createCookie("style", title, 365);
}

handleEvent(window,'unload',setStyleCookie);

var cookie = readCookie("style");
var title = cookie ? cookie : getPreferredStyleSheet();
setActiveStyleSheet(title);

function addLineBeforeSelectedNavi() {
	var mainList=document.getElementById('mNaviList');
	if(mainList) {
		var liEls=mainList.getElementsByTagName('li');
		for(i=0;i<liEls.length;i++) {
			if(liEls[i].className.indexOf('sel')>-1) {
				if(i==0) {
					liBefore=document.createElement('li');
					liBefore.className='lineLi';
					mainList.insertBefore(liBefore,liEls[i]);
					i++;
				} else {
					liEls[i-1].className += 'beforeSel';
				}
			}
		}
	}
}
handleEvent(window,'load',addLineBeforeSelectedNavi);