function getCookie(c_name)
{
	if (document.cookie.length>0)
	{ 
	  c_start=document.cookie.indexOf(c_name + "=")
	  if (c_start!=-1)
	    { 
	    c_start=c_start + c_name.length+1 
	    c_end=document.cookie.indexOf(";",c_start)
	    if (c_end==-1) c_end=document.cookie.length
	    return unescape(document.cookie.substring(c_start,c_end))
	    } 
	 }
	return null
}

function checkCookie()
{
	myCookie=getCookie('check')
	if (myCookie==null)
	  {
	  alert('Cookie not found. Please check')
	  }
}