/*****************************************
Get and set cookie functionality
Author Frank Bradshaw
Last updated 30th Aug 09

Use: Creates a cookie for the Can my PC run
windows 7 page. Also returns the cookie data

******************************************/
	//---------------------------
	//getCookie function
	//---------------------------
	function get_cookie ( cookie_name )
	{
	  var results = document.cookie.match ( '(^|;) ?' + cookie_name + '=([^;]*)(;|$)' );
	  if ( results )
		return ( unescape ( results[2] ) );
	  else
		return null;
	}

	//---------------------------
	//setCookie functions
	//---------------------------
	function setCookie() {
		var cookieOS = document.canmypcrunwindows7.w7ReadyOS.selectedIndex;
		document.cookie = "cookieOS="+cookieOS+";expires=" + expireDate.toGMTString();
	}
	/*function setUpdateCookie() {
		var cookieUpdate = 1;
		alert("cookie update = "+cookieUpdate);
		document.cookie = "cookieUpdate="+cookieUpdate+";expires=" + expireDate.toGMTString();
	}*/
	//create a cookie expire date
	var expireDate = new Date;
	expireDate.setMonth(expireDate.getMonth()+6);
	
	//set domain of retailer
	var domain = "www.retailer.com";
	
	//create empty cookieOS var
	var cookieOS = 0;
		
	//set up the cookie
	if (document.cookie != "") {
		cookieOS = document.cookie.split("=")[1];
	}
	else {
		var cookie_date = new Date ( );  // current date & time
		cookie_date.setTime ( cookie_date.getTime() - 1 );
		document.cookie = "cookieOS=;expires=" + cookie_date.toGMTString();
	}