function cachetexte() 
{ 
document.getElementById("textemanagement").style.display="none";
document.getElementById("textemarketing").style.display="none";
document.getElementById("textecommunication").style.display="none";
document.getElementById("precision1").style.display="block";
document.getElementById("precision2").style.display="none";
document.getElementById("image").style.display="block";
document.getElementById("dif").style.display="block";
} 
function montremanagement() 
{ 
document.getElementById("textemanagement").style.display="block";
document.getElementById("textemarketing").style.display="none";
document.getElementById("textecommunication").style.display="none";
document.getElementById("image").style.display="none";
document.getElementById("dif").style.display="none";
document.getElementById("precision1").style.display="block";
document.getElementById("precision2").style.display="none";
} 
function montremarketing() 
{ 
document.getElementById("textemanagement").style.display="none";
document.getElementById("image").style.display="none";
document.getElementById("dif").style.display="none";
document.getElementById("textecommunication").style.display="none";
document.getElementById("textemarketing").style.display="block";
document.getElementById("precision1").style.display="none";
document.getElementById("precision2").style.display="block";
} 
function montrecommunication() 
{ 
document.getElementById("textemanagement").style.display="none";
document.getElementById("textemarketing").style.display="none";
document.getElementById("image").style.display="none";
document.getElementById("dif").style.display="none";
document.getElementById("textecommunication").style.display="block";
document.getElementById("precision1").style.display="block";
document.getElementById("precision2").style.display="none";
} 
//-->