var uagent    = navigator.userAgent.toLowerCase();
var is_safari = ( (uagent.indexOf('safari') != -1) || (navigator.vendor == "Apple Computer, Inc.") );
var is_ie     = ( (uagent.indexOf('msie') != -1) && (!is_opera) && (!is_safari) && (!is_webtv) );
var is_ie4    = ( (is_ie) && (uagent.indexOf("msie 4.") != -1) );
var is_moz    = (navigator.product == 'Gecko');
var is_ns     = ( (uagent.indexOf('compatible') == -1) && (uagent.indexOf('mozilla') != -1) && (!is_opera) && (!is_webtv) && (!is_safari) );
var is_ns4    = ( (is_ns) && (parseInt(navigator.appVersion) == 4) );
var is_opera  = (uagent.indexOf('opera') != -1);
var is_kon    = (uagent.indexOf('konqueror') != -1);
var is_webtv  = (uagent.indexOf('webtv') != -1);

var is_win    =  ( (uagent.indexOf("win") != -1) || (uagent.indexOf("16bit") !=- 1) );
var is_mac    = ( (uagent.indexOf("mac") != -1) || (navigator.vendor == "Apple Computer, Inc.") );
var ua_vers   = parseInt(navigator.appVersion);

//==========================================
// EMOTICONS
//==========================================

function emoticon(theSmilie)
{
	doInsert(" " + theSmilie + " ");
}

function doInsert(ibTag)
{
	var obj_ta = document.forms['formulaire'].body;

	//----------------------------------------
	// It's IE!
	//----------------------------------------
	if ( (ua_vers >= 4) && is_ie && is_win)
	{
		obj_ta.focus();
		var sel = document.selection;
		var rng = sel.createRange();
		rng.colapse;

		if(rng.text.length > 0) ibTag += rng.text;
		rng.text = ibTag;
	}
	//----------------------------------------
	// It's MOZZY!
	//----------------------------------------
	else if (obj_ta.selectionEnd)
	{ 
		var ss = obj_ta.selectionStart;
		var st = obj_ta.scrollTop;
		var es = obj_ta.selectionEnd;
		
		if (es <= 2)
		{
			es = obj_ta.textLength;
		}
		
		var start  = (obj_ta.value).substring(0, ss);
		var middle = (obj_ta.value).substring(ss, es);
		var end    = (obj_ta.value).substring(es, obj_ta.textLength);
		
		//-----------------------------------
		// text range?
		//-----------------------------------
		
		middle = ibTag + middle;
		
		obj_ta.value = start + middle + end;
		
		var cpos = ss + (middle.length);
		
		obj_ta.selectionStart = cpos;
		obj_ta.selectionEnd   = cpos;
		obj_ta.scrollTop      = st;

	}
	//----------------------------------------
	// It's CRAPPY!
	//----------------------------------------
	else
	{
		obj_ta.value += ibTag;
	}
	
	obj_ta.focus();
}