if (getCookie("http_refer") == false) {
	Set_Cookie( 'http_refer', document.referrer, '60', '/', '', '' );
}

function Set_Cookie( name, value, expires, path, domain, secure ) 
{
// set time, it's in milliseconds
var today = new Date();
today.setTime( today.getTime() );

/*
if the expires variable is set, make the correct 
expires time, the current script below will set 
it for x number of days, to make it for hours, 
delete * 24, for minutes, delete * 60 * 24
*/
if ( expires )
{
expires = expires * 1000 * 60 * 60 * 24;
}
var expires_date = new Date( today.getTime() + (expires) );
document.cookie = name + "=" +escape( value ) +
( ( expires ) ? ";expires=" + expires_date.toGMTString() : "" ) + 
( ( path ) ? ";path=" + path : "" ) + 
( ( domain ) ? ";domain=" + domain : "" ) +
( ( secure ) ? ";secure" : "" );
}

function getCookie(cookie_name)
{
    if (!document.cookie.match(eval("/" + escape(cookie_name) + "=/")))
    {
        return false;
    }
    return unescape(document.cookie.replace(eval("/^.*?" + escape(cookie_name) + "=([^\\s;]*).*$/"), "$1"));
}