function DivStatus(numero ){// Montre / Cache un div
	var divID = numero;
	if ( document.getElementById && document.getElementById( divID ) ) // Pour les navigateurs récents
	{
		Pdiv = document.getElementById( divID );
		PcH = true;
	}
	else if ( document.all && document.all[ divID ] ) // Pour les veilles versions
	{
		Pdiv = document.all[ divID ];
		PcH = true;
	}
	else if ( document.layers && document.layers[ divID ] ) // Pour les très veilles versions
	{
		Pdiv = document.layers[ divID ];
		PcH = true;
	}
	else
	{
		PcH = false;
	}
	if ( PcH )
	{
		Pdiv.className = ( Pdiv.className == 'cachediv' ) ? '' : 'cachediv';
	}
}

function BBC(selec){//ajout code bbcode
var isMozilla = (navigator.userAgent.toLowerCase().indexOf('gecko')!=-1) ? true : false;
var regexp = new RegExp("[\r]","gi");

	if (isMozilla) 
	{
	// Si on est sur Mozilla
		oField=document.getElementById('idmessage')
		objectValue = oField.value;
		deb = oField.selectionStart;
		fin = oField.selectionEnd;

		
		objectValueDeb = objectValue.substring( 0 , oField.selectionStart );
		objectValueFin = objectValue.substring( oField.selectionEnd , oField.textLength );
		objectSelected = objectValue.substring( oField.selectionStart ,oField.selectionEnd );

	//	alert("Debut:'"+objectValueDeb+"' ("+deb+")\nFin:'"+objectValueFin+"' ("+fin+")\n\nSelectionné:'"+objectSelected+"'("+(fin-deb)+")");			
		oField.value = objectValueDeb + "[" + selec + "]" + objectSelected + "[/" + selec + "]" + objectValueFin;
		oField.selectionStart = strlen(objectValueDeb);
		oField.selectionEnd = strlen(objectValueDeb + "[" + selec + "]" + objectSelected + "[/" + selec + "]");
		oField.focus();
		oField.setSelectionRange(
			objectValueDeb.length + selec.length + 2,
			objectValueDeb.length + selec.length + 2);

	}
	else
	{
	// Si on est sur IE
		oField = document.book.message;	
		var str = document.selection.createRange().text;

		if (str.length>0)
		{
		// Si on a selectionné du texte
			var sel = document.selection.createRange();
			sel.text = "[" + selec + "]" + str + "[/" + selec + "]";
			sel.collapse();
			sel.select();
		}
		else
		{
			oField.focus(oField.caretPos);
		//	alert(oField.caretPos+"\n"+oField.value.length+"\n")
			oField.focus(oField.value.length);
			oField.caretPos = document.selection.createRange().duplicate();
			
			var bidon = "%~%";
			var orig = oField.value;
			oField.caretPos.text = bidon;
			var i = oField.value.search(bidon);
			oField.value = orig.substr(0,i) + "[" + selec + "][/" + selec + "]" + orig.substr(i, oField.value.length);
			var r = 0;
			for(n = 0; n < i; n++)
			{if(regexp.test(oField.value.substr(n,2)) == true){r++;}};
			pos = i + 2 + selec.length - r;
			//placer(document.forms['news'].elements['newst'], pos);
			var r = oField.createTextRange();
			r.moveStart('character', pos);
			r.collapse();
			r.select();
		}
	}
}
		
function LettreTR(unicode) {//ajout lettre Turk
var myForm = document.book.message;
 //ie
if (document.selection) {
	myForm.focus();
	sel = document.selection.createRange();
	sel.text = String.fromCharCode(unicode);
}//moz
else if (myForm.selectionStart || myForm.selectionStart == "0") {
	var startPos = myForm.selectionStart;
	var endPos = myForm.selectionEnd;
	var chaine = myForm.value;
	myForm.value = chaine.substring(0, startPos) + String.fromCharCode(unicode) + chaine.substring(endPos, chaine.length);

} else {
	myForm.value += String.fromCharCode(unicode);
}
myForm.focus();
myForm.scrollTop=obj.scrollHeight;
 }

 function previsu(id_textarea) { //previsualisation
var ch=document.getElementById(id_textarea).value ;
source=new Array("[br]","[B]","[/B]","[I]","[/I]","[U]","[/U]","[S]","[/S]","[CENTER]","[/CENTER]"); 
cible= new Array("<br>","<b>", "</b>","<i>","</i>","<u>","</u>","<s>","</s>","<center>","</center>") ;

i=0 ;
while(source[i])
{ 
ch2=ch.split(source[i]) ;
ch=ch2.join(cible[i]) ;
i++ ;
} 
//ch=ch.replace("((\r\n)+)", "<br />");
ch=ch.replace(/\n/g,"<br>") ;

obj=document.getElementById("visuel") ;
obj.innerHTML="<blockquote style='margin:0px;'>"+ch+"</blockquote>" ;
}