function AffichageBloc(id,texte)
{
	if(id.innerHTML=='Spoiler : cliquer pour afficher')
	{
		id.innerHTML=texte;
		return true;
	}else{
		id.innerHTML="Spoiler : cliquer pour afficher";
		return true;
	}
}
function creationXHR()
{
	var resultat = null;
	try{
		resultat= new XMLHttpRequest();
	}catch (Error){
		try{
			resultat = new ActiveXObject("Msxml2.XMLHTTP");
		}catch (Error){
				resultat= null;
		}
	}
	return resultat;
}

var ajaxPreview;

function preview()
{
	ajaxPreview=creationXHR();
	ajaxPreview.onreadystatechange=traitementPreview;
	ajaxPreview.open("post","include/preview.php",true);
	ajaxPreview.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
	texte=document.formpage.contenu.value.replace(/&/g,'%26');
	ajaxPreview.send("contenupreview="+texte);
}

function traitementPreview()
{
	if(ajaxPreview.readyState==4){
		document.getElementById('blocPreview').innerHTML=ajaxPreview.responseText.replace(/%26/g,'&');
	}
}