// JavaScript Document

function createCookie(objSelTheme, cookieName, days)
{
	
	var expDate = new Date();
	expDate.setTime(expDate.getTime() + (days * 24 * 60 * 60 * 1000));
																
	document.cookie = cookieName + "="+ objSelTheme.value +";expires=" + expDate.toGMTString() +"; path=/";
	window.location.reload(true);

}


function readCookie(cookieName)
{
	
	//alert("readCookie function is called");
	//alert(cookieName);
	var nameEQ = cookieName + "=";
	arrCookie = document.cookie.split(";");
	
	for(var i=0;i < arrCookie.length;i++) 
	{
		var c = arrCookie[i];		
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
		
}

function displayTheme(cookieName)
{
	//alert("displayTheme function is called");
	switch(readCookie(cookieName))
	{
		case "coffee":
			
			document.writeln("<link href='css/coffee.css' type='text/css' rel='stylesheet'");
			break;
			
		case "blue":
			
			document.writeln("<link href='css/blue.css' type='text/css' rel='stylesheet'");
			break;

		case "gray":
			
			document.writeln("<link href='css/gray.css' type='text/css' rel='stylesheet'");
			break;

		case "green":
			
			document.writeln("<link href='css/green.css' type='text/css' rel='stylesheet'");
			break;

		default:
		
			document.writeln("<link href='css/coffee.css' type='text/css' rel='stylesheet'");
			break;
	}
	
	
}