// JavaScript Document
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 "";
}

function setCookie(c_name,value,expiredays)
{
var exdate=new Date();
exdate.setDate(exdate.getDate()+expiredays);
document.cookie=c_name+ "=" +escape(value)+
((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
}

function checkCookie()
{
refer_url=getCookie('refer_url');
if (refer_url!=null && refer_url!="")
  {
  	//alert('Welcome again '+refer_url+'!');
  }
  else 
  {
  	refer_url = document.referrer;

  	if (refer_url!=null && refer_url!="")
    {
    setCookie('refer_url',refer_url,1);
    }
  }
  //alert('The ref URL is ' + refer_url);
  document.data.ref_url.value = refer_url;
}
function sendData()
{
	document.data.submit();
}