function is_email(email)
	{
		if(!email.match(/^[A-Za-z0-9\._\-+]+@[A-Za-z0-9_\-+]+(\.[A-Za-z0-9_\-+]+)+$/))
			return false;
		return true;
	}
	function is_email(email)
	{
		if(!email.match(/^[A-Za-z0-9\._\-+]+@[A-Za-z0-9_\-+]+(\.[A-Za-z0-9_\-+]+)+$/))
			return false;
		return true;
	}
	function check()
	{

		if(document.form.name.value == '')
		{
			alert("Please enter your name.");
			document.form.name.focus();
			return false;
		}
/*		if(document.form.radiobutton.checked == false)
		{
			alert("Please enter your sex.");
			document.form.radiobutton.focus();
			return false;
		}*/
		if(document.form.date1.value == '')
		{
			alert("Please enter your date of birth.");
			document.form.date1.focus();
			return false;
		}
		if(document.form.bmonth.value == '')
		{
			alert("Please enter your month of birth.");
			document.form.bmonth.focus();
			return false;
		}
		if(document.form.byear.value == '')
		{
			alert("Please enter your year of birth.");
			document.form.byear.focus();
			return false;
		}
		if(document.form.Bhour.value == '')
		{
			alert("Please enter your hour of birth.");
			document.form.Bhour.focus();
			return false;
		}
		if(document.form.BMin.value == '')
		{
			alert("Please enter your minute of birth.");
			document.form.BMin.focus();
			return false;
		}
		if(document.form.bcountry.value == '')
		{
			alert("Please enter your Birth Country.");
			document.form.bcountry.focus();
			return false;
		}
		if(document.form.city.value == '')
		{
			alert("Please enter your Birth City.");
			document.form.city.focus();
			return false;
		}
		if(document.form.state.value == '')
		{
			alert("Please enter your Birth State.");
			document.form.state.focus();
			return false;
		}
		if(document.form.telephone.value == '')
		{
			alert("Please enter your TelePhone No.");
			document.form.telephone.focus();
			return false;
		}
		if(!is_email(document.form.email.value))
		{
			alert("Please enter email address in right format.");
			document.form.email.select();
			return false;
		}
		return true;
	}