function isEmpty(name) 
{
	var invalid = " "; 
	if((name.value=="")||(name.value==invalid))
	{
		return true;
	}
	else 
	return false;
}


function emailCheck(email)
{
	var tmp = "" + email + "", s = tmp.replace(/^\s*|\s*$/g, "");
	var re = /^(\w|[^_]\.|[\-])+((\@){1}([^_]))(([a-z]|[\d]|[\-]|\.)+|([^_]\.[^_])*)+\.[a-z]{2,3}$/i
	if (!re.test(s)) 
	{
		return false;
	}
	re =	 /\.(a[c-gil-oq-uwz]|b[a-bd-jm-or-tvwyz]|c[acdf-ik-orsuvx-z]|d[ejkmoz]|e[ceghr-u]|f[i-kmorx]|g[abd-ilmnp-uwy]|h[kmnrtu]|i[delm-oq-t]|j[emop]|k[eg-imnprwyz]|l[a-cikr-vy]|m[acdghk-z]|n[ace-giloprtuz]|om|p[ae-hk-nrtwy]|qa|r[eouw]|s[a-eg-ort-vyz]|t[cdf-hjkm-prtvwz]|u[agkmsyz]|v[aceginu]|w[fs]|y[etu]|z[admrw]|com|edu|net|org|mil|gov|biz)$/i
	if (!re.test(s)) 
	{
		return false;
	}
	re = /\@\@/
	return(!re.test(s));
}