//=============================
//Check Number
//=============================
function isan(string)
{
	if (string.length == 0)
		return false;
	for (var i=0;i < string.length;i++)
	{
		if ((string.substring(i,i+1) < '0') || (string.substring(i,i+1) > '9'))
		return false;
	}
	return true;
}


function chknotnull(x)

{

	myflag=false

	if (x=="")

		return false;

	else

	{

		for (N=0;N<x.length;N++)

		{

			if (x.charAt(N).indexOf(" ")<0)

				myflag=true;

		}

		return myflag;

	}

return true;

}



function validate_index()

{
	if (!chknotnull(document.myform.entername.value))

	{

		alert("Please Enter your name.");

		document.myform.entername.value="";

		document.myform.entername.focus();

		return false;

	}
}




function Validate_Msg()

{

	if (!chknotnull(document.myform.M_Name.value))

	{

		alert("Please Enter your name.");

		document.myform.M_Name.value="";

		document.myform.M_Name.focus();

		return false;

	}


	if (!chknotnull(document.myform.M_Content.value))

	{

		alert("Please Enter your comments.");

		document.myform.M_Content.value="";

		document.myform.M_Content.focus();

		return false;

	}




}



function Validate()

{

	if (!chknotnull(document.myform.Name.value))

	{

		alert("Please Enter your name.");

		document.myform.Name.value="";

		document.myform.Name.focus();

		return false;

	}


	if (!chknotnull(document.myform.NRiC.value))

	{

		alert("Please Enter your NRiC");

		document.myform.NRiC.value="";

		document.myform.NRiC.focus();

		return false;

	}



	if (!chknotnull(document.myform.School.value))

	{

		alert("Please Enter your school.");

		document.myform.School.value="";

		document.myform.School.focus();

		return false;

	}


	if (!chknotnull(document.myform.Address.value))

	{

		alert("Please Enter your address");

		document.myform.Address.value="";

		document.myform.Address.focus();

		return false;

	}




	if (!chknotnull(document.myform.ContactNo.value))

	{

		alert("Please Enter your contact No.");

		document.myform.ContactNo.value="";

		document.myform.ContactNo.focus();

		return false;

	}


	if (!chknotnull(document.myform.Email.value))

	{

		alert("Please Enter the Email Address.");

		document.myform.Email.value="";

		document.myform.Email.focus();

		return false;

	}




	if ((document.myform.Email.value.indexOf("@")==-1) || (document.myform.Email.value.indexOf(".")==-1) || (document.myform.Email.value.indexOf(" ")>1) || (document.myform.Email.value.indexOf(",")>0))

	{

		alert("Please enter the valid Email Address");

		document.myform.Email.focus();

		return false;

	}





	if (!chknotnull(document.myform.ParentsName.value))

	{

		alert("Please Enter your parent's name.");

		document.myform.ParentsName.value="";

		document.myform.ParentsName.focus();

		return false;

	}




	if (!chknotnull(document.myform.ParentsContactNo.value))

	{

		alert("Please Enter your parent's contact No.");

		document.myform.ParentsContactNo.value="";

		document.myform.ParentsContactNo.focus();

		return false;

	}


	if (!chknotnull(document.myform.ParentsEmail.value))

	{

		alert("Please Enter your parent's email address.");

		document.myform.ParentsEmail.value="";

		document.myform.ParentsEmail.focus();

		return false;

	}




	if ((document.myform.ParentsEmail.value.indexOf("@")==-1) || (document.myform.ParentsEmail.value.indexOf(".")==-1) || (document.myform.ParentsEmail.value.indexOf(" ")>1) || (document.myform.ParentsEmail.value.indexOf(",")>0))

	{

		alert("Please enter the valid Email Address");

		document.myform.ParentsEmail.focus();

		return false;

	}



	if (document.myform.agree.checked==false)

	{

		alert("Please read our Terms & Conditions first");

		document.myform.agree.value="";

		return false;

	}


}








function validate_taf()
{

	if ((document.myform.FriendName_1.value == "")&&(document.myform.FriendName_2.value == "")&&(document.myform.FriendName_3.value == "")&&(document.myform.FriendName_3.value == "")&&(document.myform.FriendName_5.value == "")&&(document.myform.FriendName_6.value == "")&&(document.myform.FriendEmail_1.value == "")&&(document.myform.FriendEmail_2.value == "")&&(document.myform.FriendEmail_3.value == "")&&(document.myform.FriendEmail_4.value == "")&&(document.myform.FriendEmail_5.value == "")&&(document.myform.FriendEmail_6.value == ""))
	{
		alert("Please enter your friend name and email.");
		document.myform.FriendEmail_1.focus();
		return false;
	}
	

	if (document.myform.FriendEmail_1.value == document.myform.email.value)
	{
		alert("Please do not key-in your own e-mail address.");
		document.myform.FriendEmail_1.focus();
		return false;
	} else{
		if ((document.myform.FriendName_1.value == "")&&(document.myform.FriendEmail_1.value != ""))
		{
			alert("Please enter your friend name.");
			document.myform.FriendName_1.focus();
			return false;
		} else if ((document.myform.FriendName_1.value != "")&&(document.myform.FriendEmail_1.value == "")){
			alert("Please enter your friend email address.");
			document.myform.FriendEmail_1.focus();
			return false;
		} else if ((document.myform.FriendName_1.value != "")&&(document.myform.FriendEmail_1.value != "")){
			if ((document.myform.FriendEmail_1.value.indexOf("@") == -1) || (document.myform.FriendEmail_1.value.indexOf(".")==-1) || (document.myform.FriendEmail_1.value.indexOf(" ")>1) || (document.myform.FriendEmail_1.value.indexOf(",")>0))
			{
				alert("Please enter the valid Email Address");
				document.myform.FriendEmail_1.focus();
				return false;
			}
		}
	}
	
	

	if (document.myform.FriendEmail_2.value == document.myform.email.value)
	{
		alert("Please do not key-in your own e-mail address.");
		document.myform.FriendEmail_2.focus();
		return false;
	} else{
		if ((document.myform.FriendName_2.value == "")&&(document.myform.FriendEmail_2.value != ""))
		{
			alert("Please enter your friend name.");
			document.myform.FriendName_2.focus();
			return false;
		} else if ((document.myform.FriendName_2.value != "")&&(document.myform.FriendEmail_2.value == "")){
			alert("Please enter your friend email address.");
			document.myform.FriendEmail_2.focus();
			return false;
		} else if ((document.myform.FriendName_2.value != "")&&(document.myform.FriendEmail_2.value != "")){
			if ((document.myform.FriendEmail_2.value.indexOf("@") == -1) || (document.myform.FriendEmail_2.value.indexOf(".")==-1) || (document.myform.FriendEmail_2.value.indexOf(" ")>1) || (document.myform.FriendEmail_2.value.indexOf(",")>0))
			{
				alert("Please enter the valid Email Address");
				document.myform.FriendEmail_2.focus();
				return false;
			}
		}
	}




	if (document.myform.FriendEmail_3.value == document.myform.email.value)
	{
		alert("Please do not key-in your own e-mail address.");
		document.myform.FriendEmail_3.focus();
		return false;
	} else{
		if ((document.myform.FriendName_3.value == "")&&(document.myform.FriendEmail_3.value != ""))
		{
			alert("Please enter your friend name.");
			document.myform.FriendName_3.focus();
			return false;
		} else if ((document.myform.FriendName_3.value != "")&&(document.myform.FriendEmail_3.value == "")){
			alert("Please enter your friend email address.");
			document.myform.FriendEmail_3.focus();
			return false;
		} else if ((document.myform.FriendName_3.value != "")&&(document.myform.FriendEmail_3.value != "")){
			if ((document.myform.FriendEmail_3.value.indexOf("@") == -1) || (document.myform.FriendEmail_3.value.indexOf(".")==-1) || (document.myform.FriendEmail_3.value.indexOf(" ")>1) || (document.myform.FriendEmail_3.value.indexOf(",")>0))
			{
				alert("Please enter the valid Email Address");
				document.myform.FriendEmail_3.focus();
				return false;
			}
		}
	}




	if (document.myform.FriendEmail_4.value == document.myform.email.value)
	{
		alert("Please do not key-in your own e-mail address.");
		document.myform.FriendEmail_4.focus();
		return false;
	} else{
		if ((document.myform.FriendName_4.value == "")&&(document.myform.FriendEmail_4.value != ""))
		{
			alert("Please enter your friend name.");
			document.myform.FriendName_4.focus();
			return false;
		} else if ((document.myform.FriendName_4.value != "")&&(document.myform.FriendEmail_4.value == "")){
			alert("Please enter your friend email address.");
			document.myform.FriendEmail_4.focus();
			return false;
		} else if ((document.myform.FriendName_4.value != "")&&(document.myform.FriendEmail_4.value != "")){
			if ((document.myform.FriendEmail_4.value.indexOf("@") == -1) || (document.myform.FriendEmail_4.value.indexOf(".")==-1) || (document.myform.FriendEmail_4.value.indexOf(" ")>1) || (document.myform.FriendEmail_4.value.indexOf(",")>0))
			{
				alert("Please enter the valid Email Address");
				document.myform.FriendEmail_4.focus();
				return false;
			}
		}
	}




	if (document.myform.FriendEmail_5.value == document.myform.email.value)
	{
		alert("Please do not key-in your own e-mail address.");
		document.myform.FriendEmail_5.focus();
		return false;
	} else{
		if ((document.myform.FriendName_5.value == "")&&(document.myform.FriendEmail_5.value != ""))
		{
			alert("Please enter your friend name.");
			document.myform.FriendName_5.focus();
			return false;
		} else if ((document.myform.FriendName_5.value != "")&&(document.myform.FriendEmail_5.value == "")){
			alert("Please enter your friend email address.");
			document.myform.FriendEmail_5.focus();
			return false;
		} else if ((document.myform.FriendName_5.value != "")&&(document.myform.FriendEmail_5.value != "")){
			if ((document.myform.FriendEmail_5.value.indexOf("@") == -1) || (document.myform.FriendEmail_5.value.indexOf(".")==-1) || (document.myform.FriendEmail_5.value.indexOf(" ")>1) || (document.myform.FriendEmail_5.value.indexOf(",")>0))
			{
				alert("Please enter the valid Email Address");
				document.myform.FriendEmail_5.focus();
				return false;
			}
		}
	}




	if (document.myform.FriendEmail_6.value == document.myform.email.value)
	{
		alert("Please do not key-in your own e-mail address.");
		document.myform.FriendEmail_6.focus();
		return false;
	} else{
		if ((document.myform.FriendName_6.value == "")&&(document.myform.FriendEmail_6.value != ""))
		{
			alert("Please enter your friend name.");
			document.myform.FriendName_6.focus();
			return false;
		} else if ((document.myform.FriendName_6.value != "")&&(document.myform.FriendEmail_6.value == "")){
			alert("Please enter your friend email address.");
			document.myform.FriendEmail_6.focus();
			return false;
		} else if ((document.myform.FriendName_6.value != "")&&(document.myform.FriendEmail_6.value != "")){
			if ((document.myform.FriendEmail_6.value.indexOf("@") == -1) || (document.myform.FriendEmail_6.value.indexOf(".")==-1) || (document.myform.FriendEmail_6.value.indexOf(" ")>1) || (document.myform.FriendEmail_6.value.indexOf(",")>0))
			{
				alert("Please enter the valid Email Address");
				document.myform.FriendEmail_6.focus();
				return false;
			}
		}
	}




}