function isEmail(str){
	var re = /^[\w-]+(\.[\w-]+)*@([\w-]+\.)+[a-zA-Z]{2,7}$/;
	return str.match(re);
}
function isNum(str){
	var re = /[0-9]$/;
	return str.match(re);
}
function isURL(str){
	var re = /^(http:\/\/|https:\/\/){0,1}[A-Za-z0-9][A-Za-z0-9\-\.]+[A-Za-z0-9]\.[A-Za-z]{2,}[\43-\176]*$/;
	return str.match(re);
}

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);
}

function writetag(texte,cible){$(cible).innerHTML = texte;$(cible).style.display="block";}



// Mootools FX
window.addEvent('domready', function(){
	var effect = $('box').effect('background-color', {duration: 1750});
	var periodical;
	var leq = 0;
	var fx = function() {
		if(leq==0){
			effect.start('#99cdfc').chain(function() {
				effect.start('#aaff77');
			});
		}else if(leq==1){
			effect.start('#aaff77').chain(function() {
				effect.start('#9a99ff');
			});
		}else if(leq==2){
			effect.start('#9a99ff').chain(function() {
				effect.start('#fa9bff');
			});
		}else{
			effect.start('#fa9bff').chain(function() {
				effect.start('#99cdfc');
			});
		}
		leq++;
		if(leq>3) leq=0;
	}
	
	periodical = fx.periodical(2500);
});