function Total_caracteres(FormName, ElementName, ValTotal_Caractere, ValMinimum_Caractere, ValMaximum_Caractere)
{
	var formulaire = document.forms[FormName].elements[ElementName];

	if(ValTotal_Caractere <= 1)
	{
		Texte = "caractère";
	}
	else
	{
		Texte = "caractères";
	}
	document.getElementById('carac_texte').innerHTML = 'Votre message fait '+ ValTotal_Caractere +' '+ Texte +'.';
	if(ValTotal_Caractere >= ValMinimum_Caractere && ValTotal_Caractere <= ValMaximum_Caractere)
	{
		formulaire.disabled = false;
	}
	else
	{
		formulaire.disabled = true;
	}
}

function Check_all(FormName, ElementName, isChecked)
{
	var CheckForm = document.forms[FormName].elements[ElementName];
	var count = CheckForm.length;

	if (count)
	{
		for (var i = 0; i < count; i++)
		{
			CheckForm[i].checked = isChecked;
		}
	}
	else
	{
    		CheckForm.checked = isChecked;
	}
	return true;
}