function changeLanguageUrl()
{
    var portal=location.pathname.replace(/\/[^/]*$/,'/' );
    var loc=location.href;
    var newPortal='';
    var rtn='';
    
    if (portal=='/')
    {
    	rtn=loc.replace(location.hostname+'/',location.hostname+'/public_fr/').replace(/\.asp/gi,'_fr.asp');
    }
    else
    {
		if (portal.search(/_fr\//i)>0)
		{
			newPortal=portal.replace(/_fr\/[^/]*$/,'/' );
			loc=loc.replace(/_fr\.asp/gi,'.asp');
		}
		else
		{
			newPortal=portal.replace(/\/[^/]*$/,'_fr/' );
			loc=loc.replace(/\.asp/gi,'_fr.asp');
		}
		rtn=loc.replace(portal,newPortal);
    }
	return rtn;
}