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 var expires = "";
  document.cookie = name+"="+value+expires+"; domain=lumapix.com";
}

function readCookie(name)
{
  var ca = document.cookie.split(';');
  var nameEQ = name + "=";
  for(var i=0; i < ca.length; i++) {
    var c = ca[i];
    while (c.charAt(0)==' ') c = c.substring(1, c.length); //delete spaces
    if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length, c.length);
    }
  return null;
}

//Check if ref query is passed, set cookie if so
if(location.href.search("ref=") != -1 && readCookie('LumaPixRepCrumb')!=null)
{
	createCookie('LumaPixRepCrumb',location.search.replace(/%26/g,'&').toLowerCase().split("ref=")[1].split("&")[0],180)
}

//Changes the target of the download link, if certain conditions are met
function RefLinkSwitch(DownloadLink)
{
	if(readCookie('LumaPixRepCrumb')!=null)
	{
		DownloadLink.href='http://www.lumapix.com/downloads/LumaPixSetup.exe'+'?repid='+readCookie('LumaPixRepCrumb')
		return;
	}	
}