// JavaScript Document
// Check for blank text fields

function isFilled(txtfld)
	{
	if (txtfld.value == "" || txtfld.value == null)
	{
	return false;
	}
	else
	{
	return true;
	}
	}

// Check for valid Phone Number
function isPhone(phone_no)
	{
	if (phone_no.value.length != 12)
	{
	return false;
	}
	for (var i = 0; i <phone_no.value.length; i++)
		{
		if ((i > -1 && i <3) || (i >3 && i <7) || (i > 7 && i < 12))
		{
			if (phone_no.value.charAt(i) < "0" || phone_no.value.charAt(i) > "9")
			{
			return false;
			}
		}
		else if (phone_no.value.charAt(i) != "-")
		{
		return false;
		}
		}
	return true;
	}
// Check for valid email address: look for @ and . 
function isEmail(email)
	{
	if (email.value.indexOf("@") != "-1" && email.value.indexOf(".") != "-1")
	{
		return true;
	}
	else
	{
		return false;
	}
	}