function numbersonly(myfield, e, dec)
{
	var key;
	var keychar;

	if (window.event)
		key = window.event.keyCode;
	else if (e)
		key = e.which;
	else
		return true;
	keychar = String.fromCharCode(key);

	// control keys
	if ((key==null) || (key==0) || (key==8) || (key==9) || (key==13) || (key==27) )
		return true;

	// numbers
	else if ((("0123456789").indexOf(keychar) > -1))
		return true;

	// decimal point jump
	else if (dec && (keychar == "."))
	{
		myfield.form.elements[dec].focus();
		return false;
	}
	else
		return false;
}

function dateonly(myfield, e, dec)
{
	var key;
	var keychar;

	if (window.event)
		key = window.event.keyCode;
	else if (e)
		key = e.which;
	else
		return true;
	keychar = String.fromCharCode(key);

	// control keys
	if ((key==null) || (key==0) || (key==8) || (key==9) || (key==13) || (key==27) )
		return true;

	// numbers
	else if ((("/0123456789").indexOf(keychar) > -1))
		return true;

	// decimal point jump
	else if (dec && (keychar == "."))
	{
		myfield.form.elements[dec].focus();
		return false;
	}
	else
		return false;
}

function letternumberonly(myfield, e, dec)
{
	var key;
	var keychar;

	if (window.event)
   		key = window.event.keyCode;
	else if (e)
   		key = e.which;
	else
   		return true;
		
	keychar = String.fromCharCode(key);
	keychar = keychar.toLowerCase();

	// control keys
	if ((key==null) || (key==0) || (key==8) || (key==9) || (key==13) || (key==27) )
   		return true;

	// alphas and numbers
	else if ((("abcdefghijklmnopqrstuvwxyz0123456789").indexOf(keychar) > -1))
   		return true;
	else
   		return false;
}

function letternumberspaceonly(myfield, e, dec)
{
	var key;
	var keychar;

	if (window.event)
   		key = window.event.keyCode;
	else if (e)
   		key = e.which;
	else
   		return true;
		
	keychar = String.fromCharCode(key);
	keychar = keychar.toLowerCase();

	// control keys
	if ((key==null) || (key==0) || (key==8) || (key==9) || (key==13) || (key==27) )
   		return true;

	// alphas and numbers
	else if ((("abcdefghijklmnopqrstuvwxyz0123456789 ").indexOf(keychar) > -1))
   		return true;
	else
   		return false;
}

function phonenumbersonly(myfield, e, dec)
{
	var key;
	var keychar;

	if (window.event)
		key = window.event.keyCode;
	else if (e)
		key = e.which;
	else
		return true;
	keychar = String.fromCharCode(key);

	// control keys
	if ((key==null) || (key==0) || (key==8) || (key==9) || (key==13) || (key==27) )
		return true;

	// numbers
	else if ((("()0123456789").indexOf(keychar) > -1))
		return true;

	// decimal point jump
	else if (dec && (keychar == "."))
	{
		myfield.form.elements[dec].focus();
		return false;
	}
	else
		return false;
}

function emailonly(myfield, e, dec)
{
	var key;
	var keychar;

	if (window.event)
		key = window.event.keyCode;
	else if (e)
		key = e.which;
	else
		return true;
	keychar = String.fromCharCode(key);

	// control keys
	if ((key==null) || (key==0) || (key==8) || (key==9) || (key==13) || (key==27) )
		return true;

	// numbers
	else if ((("@.-_abcdefghijklmnopqrstuvwxyz0123456789").indexOf(keychar) > -1))
		return true;

	// decimal point jump
	else if (dec && (keychar == "."))
	{
		myfield.form.elements[dec].focus();
		return false;
	}
	else
		return false;
}

function ceponly(myfield, e, dec)
{
	var key;
	var keychar;

	if (window.event)
		key = window.event.keyCode;
	else if (e)
		key = e.which;
	else
		return true;
	keychar = String.fromCharCode(key);

	// control keys
	if ((key==null) || (key==0) || (key==8) || (key==9) || (key==13) || (key==27) )
		return true;

	// numbers
	else if ((("-0123456789").indexOf(keychar) > -1))
		return true;

	// decimal point jump
	else if (dec && (keychar == "."))
	{
		myfield.form.elements[dec].focus();
		return false;
	}
	else
		return false;
}

function tagsonly(myfield, e, dec)
{
	var key;
	var keychar;

	if (window.event)
		key = window.event.keyCode;
	else if (e)
		key = e.which;
	else
		return true;
	keychar = String.fromCharCode(key);

	// control keys
	if ((key==null) || (key==0) || (key==8) || (key==9) || (key==13) || (key==27) )
		return true;

	// numbers
	else if (((" 'abcdefghijklmnopqrstuvwxyzáàâãäéèêëíìîïóòôõöúùûü0123456789").indexOf(keychar) > -1))
		return true;

	// decimal point jump
	else if (dec && (keychar == "."))
	{
		myfield.form.elements[dec].focus();
		return false;
	}
	else
		return false;
}

function moneyonly(myfield, e, dec)
{
	var key;
	var keychar;

	if (window.event)
		key = window.event.keyCode;
	else if (e)
		key = e.which;
	else
		return true;
	keychar = String.fromCharCode(key);

	// control keys
	if ((key==null) || (key==0) || (key==8) || (key==9) || (key==13) || (key==27) )
		return true;

	// numbers
	else if (((",0123456789").indexOf(keychar) > -1))
		return true;

	// decimal point jump
	else if (dec && (keychar == "."))
	{
		myfield.form.elements[dec].focus();
		return false;
	}
	else
		return false;
}