var expDays = 9999;
var standardStyle = '1';
var nameOfCookie = 'switchstyle';
var urlToCSSDirectory = '';

var ScreenCSS_1 = 'blue.css';
var ScreenCSS_2 = 'pink.css';
var ScreenCSS_3 = 'violet.css';
var ScreenCSS_4 = 'orange.css';
var ScreenCSS_5 = 'green.css';

function switchStyleOfUser(){
	var styleType = GetCookie(nameOfCookie);
	if (styleType == null) {
		styleType = standardStyle;
	}

	if (styleType == "1") { document.write('<link rel="stylesheet" type"text/css" href="/css/' + urlToCSSDirectory + ScreenCSS_1 + '" media="screen">'); }
	if (styleType == "2") { document.write('<link rel="stylesheet" type"text/css" href="/css/' + urlToCSSDirectory + ScreenCSS_2 + '" media="screen">'); }
	if (styleType == "3") { document.write('<link rel="stylesheet" type"text/css" href="/css/' + urlToCSSDirectory + ScreenCSS_3 + '" media="screen">'); }
	if (styleType == "4") { document.write('<link rel="stylesheet" type"text/css" href="/css/' + urlToCSSDirectory + ScreenCSS_4 + '" media="screen">'); }
	if (styleType == "5") { document.write('<link rel="stylesheet" type"text/css" href="/css/' + urlToCSSDirectory + ScreenCSS_5 + '" media="screen">'); }

	//document.write('<link rel="stylesheet" type"text/css" href="/css/black.css" media="screen">'); 

	var styleType = "";
	return styleType;
}

var exp = new Date(); 
exp.setTime(exp.getTime() + (expDays*24*60*60*1000));

function getCookieVal (offset) {  
	var endstr = document.cookie.indexOf (";", offset);  
	if (endstr == -1)    
	endstr = document.cookie.length;  
	return unescape(document.cookie.substring(offset, endstr));
}
	
function GetCookie (name) {  
	var arg = name + "=";  
	var alen = arg.length;  
	var clen = document.cookie.length;  
	var i = 0;  
	while (i < clen) {    
		var j = i + alen;    
		if (document.cookie.substring(i, j) == arg)      
		return getCookieVal (j);    
		i = document.cookie.indexOf(" ", i) + 1;    
		if (i == 0) break;   
	}  
	return null;
}

function SetCookie (name, value) {
	var argv = SetCookie.arguments;  
	var argc = SetCookie.arguments.length;  
	var expires = (argc > 2) ? argv[2] : null;  
	var path = "/";//(argc > 3) ? argv[3] : null;
	var domain = "blogsky.com";//(argc > 4) ? argv[4] : null;
	var secure = (argc > 5) ? argv[5] : false;
	document.cookie = name + "=" + escape (value) + 
	((expires == null) ? "" : ("; expires=" + expires.toGMTString())) + 
	((path == null) ? "" : ("; path=" + path)) +  
	((domain == null) ? "" : ("; domain=" + domain)) +    
	((secure == true) ? "; secure" : "");
}

function DeleteCookie (name) {  
	var exp = new Date();  
	exp.setTime (exp.getTime() - 1);  
	var cval = GetCookie (name);  
	document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
}

function doRefresh(){
	location.reload();
}

document.write(switchStyleOfUser());