/**
 ** @project Epitech: techweb
 ** @authors Julien AMAR <amar_u@epitech.net>
 ** @authors Salah AZZOUG <azzoug@gmail.com>
 ** @authors Johanna BERDUGO <berdug_j@epitech.net>
 ** @authors Benoit CALVEZ <calvez_b@epitech.net>
 ** @authors Djamila MEHANNI <mehann_d@epitech.net>
 ** @authors John THIRIET <thirie_j@epitech.net>
 **/
 
function detectKey(e){
	var key = 0;
    if(parseInt(navigator.appVersion) >=4){
        if(navigator.appName == 'Netscape'){ // Pour Netscape, firefox, ...
            key = e.which;
        }
        else{ // pour Internet Explorer
            key = e.keyCode;
        }
    }
	if (key == 27)
		hide_layer('layer');
}