function validate_contact(frm)
{
	if(trim(frm.email.value)=="")
	{
		alert("Email cannot be blank.");
		frm.email.focus();
		return false;
	}
	if(!isEmail(frm.email.value))
	{
		alert("Plase enter valid email.");
		frm.email.focus();
		return false;
	}
}