function writediv(texte) {
document.getElementById('pseudobox').innerHTML = texte;
}

function verifPseudo(pseudo) {
	if(pseudo != '') {
		if(pseudo.length<4)
			writediv('<span style="color:#cc0000">Ce pseudo est trop court</span>');
		else if(pseudo.length>30)
			writediv('<span style="color:#cc0000">Ce pseudo est trop long</span>');
		else if(texte = file('/scripts/dispo_pseudo.php?pseudo='+escape(pseudo))) {
			if(texte == 1)
				writediv('<span style="color:#cc0000">Ce pseudo est deja pris</span>');
			else if(texte == 2)
				writediv('<span style="color:#1a7917">Ce pseudo est libre</span>');
			else
				writediv(texte);
		}
	}
}

function file(fichier) {
if(window.XMLHttpRequest) // FIREFOX
	xhr_object = new XMLHttpRequest();
else if(window.ActiveXObject) // IE
	xhr_object = new ActiveXObject("Microsoft.XMLHTTP");
else
	return(false);
xhr_object.open("GET", fichier, false);
xhr_object.send(null);
if(xhr_object.readyState == 4) return(xhr_object.responseText);
else return(false);
}