function apercu_texte ()
{
	var input_origin = document.getElementById("texte").value;
	if(document.getElementById("fieldset_apercu") != '[object HTMLFieldSetElement]')
	{
		document.getElementById("formulaire_corps").innerHTML += "<fieldset id='fieldset_apercu'><legend>Preview</legend><p id='apercu_texte'><div class='center' id='loader_preview'><img src='templates/js/thickbox_killer/images/prettyPhoto/dark_square/loader.gif' /></div></p></fieldset>";
	}	
	var html = $.ajax({
		  url: "query-scode.php",
		  type: "POST",
		  data: ({ texte: input_origin}),
		  async:false
	   }
	).responseText;
	document.getElementById("loader_preview").style.display = 'none';
	document.getElementById("apercu_texte").innerHTML = html;
	document.getElementById("texte").innerHTML = input_origin;
}