function QueryString(){
	parametre = window.location.search.split("=");
	if (parametre!="") {
		ShowHideDIV ("contenu_"+parametre[1]);
		}
}


function ShowDIV (DIVname) {
    document.getElementById(DIVname).style.display="";
}

function HideDIV (DIVname) {
    document.getElementById(DIVname).style.display="none";
}

function ShowHideDIV (DIVname) {
	for (i=1;i<8;i++) {
		var DIVnamei = "contenu_"+i;
  	document.getElementById(DIVnamei).style.display="none";
  }
	document.getElementById(DIVname).style.display="";
}