//Ouverture d'une pop up
function ouvreFenetre(mypage,myname,w,h,scroll,pos){
if(pos=="random"){LeftPosition=(screen.width)?Math.floor(Math.random()*(screen.width-w)):100;TopPosition=(screen.height)?Math.floor(Math.random()*((screen.height-h)-75)):100;}
if(pos=="center"){LeftPosition=(screen.width)?(screen.width-w)/2:100;TopPosition=(screen.height)?(screen.height-h)/2:100;}
else if((pos!="center" && pos!="random") || pos==null){LeftPosition=0;TopPosition=20}
settings='width='+w+',height='+h+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no';
win=window.open(mypage,myname,settings);}

function confirmation(URL,MSG)
{
	if(confirm(MSG))
	{
		document.location.href=URL;
	}
}

function redirect(URL)
{
	document.location.href=URL;
}

function verif(email) {
   var reg = /^[a-z0-9._-]+@[a-z0-9.-]{2,}[.][a-z]{2,3}$/
   return (reg.exec(email)!=null)
}

function limite(textarea, max)
{
	var affichage_reste = '';
	var pluriel = '';
    if(textarea.value.length >= max)
    {
        textarea.value = textarea.value.substring(0,max);
    }
    var reste = max - textarea.value.length;    
	if(reste == 0) { affichage_reste = 'Vous avez atteint les '+max+' caractères !'; }
	else {
		if(reste > 1) { pluriel = 's'; } else { pluriel = ''; }
		affichage_reste =  reste +' caractère'+pluriel+' restant';
	}
    document.getElementById('max_desc').innerHTML = affichage_reste;
}