function isInvalidAlphabet(strText)
{
	//only alphabets
	var reValidChars = /[\d\x21\x22\x23\x24\x25\x26\x27\x28\x29\x2A\x2B\x2C\x2D\x2E\x2F\x3A\x3B\x3C\x3D\x3E\x3F\x40\x5B\x5C\x5D\x5E\x5F\x60\x7B\x7C\x7D\x7E]/;
	return reValidChars.test(strText)
	
}
function isInvalidNumber(strText)
{
	//only numbers
	var validChars = /[A-Za-z\x21\x22\x23\x24\x25\x26\x27\x28\x29\x2A\x2B\x2C\x2D\x2E\x2F\x3A\x3B\x3C\x3D\x3E\x3F\x40\x5B\x5C\x5D\x5E\x5F\x60\x7B\x7C\x7D\x7E]/;
	return validChars.test(strText)
	
}
function isInvalidPhone(strText)
{
	//only phone. brackets \x28\x29 - \x2D , \x2C
	var validChars =  /[A-Za-z\x21\x22\x23\x24\x25\x26\x27\x2A\x2B\x2E\x2F\x3A\x3B\x3C\x3D\x3E\x3F\x40\x5B\x5C\x5D\x5E\x5F\x60\x7B\x7C\x7D\x7E]/;
	return validChars.test(strText)
	
}
function isInvalidEMail(strText)
{
	//email @ \x40 _ \x5F . \x2E
	var validChars = /[\x21\x22\x23\x24\x25\x26\x27\x28\x29\x2A\x2B\x2C\x2D\x2F\x3A\x3B\x3C\x3D\x3E\x3F\x5B\x5C\x5D\x5E\x60\x7B\x7C\x7D\x7E]/;
	return validChars.test(strText)
	
}