var delai = 100;
var timeout;
var opened=1;
/**
 * rollover sur un bouton
 */

function changeetat(){
if(opened==1){rollover();}
else {closeMenu();}

}
function rollover() {
	//arreter timer
	if(timeout) {
		clearTimeout(timeout);
		timeout = 0;
		closeMenu()
	}
	//ouvrir le menu
	document.getElementById("txt-index").style.display = "none";
	document.getElementById("flc-deroul").className = "flc-deroul";
	document.getElementById("flc-deroul2").title = "voir";
	opened = 0;
}

/**
 * fermer le menu
 */
function closeMenu() {
	document.getElementById("txt-index").style.display = "block";
		document.getElementById("flc-deroul").className = "flc-deroul1";
		document.getElementById("flc-deroul2").title = "masquer";
	opened = 1;
}