// JavaScript Document
function checkEmail(mf)
{
	if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(mf.email.value))
	{
		return (true);
	}
	alert("Invalid e-mail address! please re-enter.");
	return (false);
}
function validateContactfrm(mf)
{	
	if(mf.name.value=="" )
	{
		alert("Please enter your name.");
		mf.name.focus();
		return false;

	}

	if(mf.phone.value=="" && mf.email.value=="")
	{		
		alert("Please enter phone number or email address.");
		mf.phone.focus();
		return false;
			
	}
	var valid= "+-()1234567890 ";
	if(mf.phone.value!="")
	{
		var string = mf.phone.value
		var length = string.length;
		for(var i=0;i<=length;i++)
		{
			var substring = string.substr(i,1);
			if(valid.indexOf(substring)== -1)
			{
				alert("Please enter valid phone number.");
				mf.phone.select()
				return false;
			}
		}
	}
	if(mf.email.value!="")
	{
		if(checkEmail(mf)==false)
		{
			mf.email.focus();
			return false;
		}	
	}
	return true;	
	
}