function setActiveStyleSheet(title) {
	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;
		}
	}
}

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;
}

window.onload = function(e) {
	var cookie = readCookie("style");
	var title = cookie ? cookie : getPreferredStyleSheet();
	setActiveStyleSheet(title);
}

window.onunload = function(e) {
	var title = getActiveStyleSheet();
	createCookie("style", title, 365);
}

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

/*
function openCatalog(theURL,winName) { 
w=window.open(theURL,winName,'toolbar=no,location=no,status=no,menubar=no,scrollbars=auto,resizable=yes,width=456,height=480');
w.focus();
}

function openMap(theURL,winName) { 
w=window.open(theURL,winName,'toolbar=yes,location=no,status=no,menubar=yes,scrollbars=yes,resizable=yes,width=476,height=595');
w.focus();
}

function openPhoto(theURL,winName) { 
w=window.open(theURL,winName,'toolbar=no,location=no,status=no,menubar=no,scrollbars=auto,resizable=auto,width=456,height=520');
w.focus();
}
function openPhotoL(theURL,winName) { 
w=window.open(theURL,winName,'toolbar=no,location=no,status=no,menubar=no,scrollbars=auto,resizable=auto,width=840,height=520');
w.focus();
}
function openRecruit(theURL,winName) { 
w=window.open(theURL,winName,'toolbar=no,location=no,status=no,menubar=no,scrollbars=no,resizable=no,width=760,height=540');
w.focus();
}

// concept movie
function openMovie(size, width, height){
    var browser = navigator.appName;
    width = 680;
    height = 430;
    swidth = ((screen.width/2)-(width/2));
    sheight = ((screen.height/2)-(height/2));
    macwidth = width-16;
    macheight = height-16;
      
    if ((browser == "Microsoft Internet Explorer") && (navigator.appVersion.lastIndexOf('Mac') != -1)){ 
    	window.open('http://www.paramount.co.jp/recruit/movie/index.html','works','width='+ macwidth +',height='+ macheight +',top='+ sheight +',left='+ swidth +',scrollbars=no,resizable=no');
    }
    else
    {
    	window.open('http://www.paramount.co.jp/recruit/movie/index.html','works','width='+ width +',height='+ height +',screenY='+ sheight +',screenX='+ swidth +',top=' + sheight + ',left=' + swidth + ',scrollbars=no,resizable=no');
    }
}
*/