function hide() 
{
	if (navigator.appName=='Microsoft Internet Explorer')
	{
	document.all.mess.style.visibility='hidden'
	}
	else
	{
	document.getElementById('mess').style.visibility='hidden'
	}
} 
 
function loginoff()
{
	document.getElementById("loginwindow").style.visibility="hidden";
}

function loginon()
{
	document.getElementById("loginwindow").style.visibility="visible";
}

function optionon()
{
	document.getElementById("options").style.visibility="visible";
	document.getElementById("boption").style.visibility="visible";
	document.getElementById("bmessages").style.background='url(themes/MessLivePro/images/buttoninbox.png)';
	//var htmlElement = document.documentElement;
	
	$$("html").addEvent('click', function(event) {
		if(verify(event.target) == false)
		{
			$("options").setStyle('visibility', "hidden");
			$$("html").removeEvents();
			document.getElementById("bmessages").style.background="none";
			document.getElementById("boption").style.visibility="hidden";
			return false;
		}
	});
}

function verify(element)
{
	element = $(element);
	if(element.get('id') == 'options')
	{
		return true;
	}
	else if(element.get('id') == 'bmessages')
	{
		return true;
	}

	var e = element.getParents().filter(function(item) { 
		if(item.get('id') == 'options')
		{
			return true;
		}

		else if(item.get('id') == 'bmessages')

		{

			return true;

		}
	});
	
	if(e.get('id') != '')
	{
		return true;
	}
	
	return false;
}

function menuon(id){
	document.getElementById(id).style.visibility="visible";
}
function menuofftime(id){
	a=setTimeout('menuoff("'+ id +'")',200);
}
function menuontime(){
	clearTimeout(a);
}
function menuoff(id){
	document.getElementById(id).style.visibility="hidden";
}


function ChangeColor(couleur){
	//creation du cookie de nom name et de valeur saisie en paramètre
	document.cookie = "thcolor=" + couleur + ";" ;
	
	window.location.reload( false );
}