function open_close(section){

	if(section=='menu_s_profil'){
		if(document.getElementById("menu_s_profil").style.display=='block'){
			document.getElementById("menu_s_profil").style.display='none';
		}else{
			document.getElementById("menu_s_profil").style.display='block';
			document.getElementById("menu_s_services").style.display='none';
			document.getElementById("menu_s_solutions").style.display='none';
			document.getElementById("menu_s_documentation").style.display='none';
		}
	}
	if(section=='menu_s_services'){
		if(document.getElementById("menu_s_services").style.display=='block'){
			document.getElementById("menu_s_services").style.display='none';
		}else{
			document.getElementById("menu_s_services").style.display='block';
			document.getElementById("menu_s_profil").style.display='none';
			document.getElementById("menu_s_solutions").style.display='none';
			document.getElementById("menu_s_documentation").style.display='none';
		}
	}
	if(section=='menu_s_solutions'){
		if(document.getElementById("menu_s_solutions").style.display=='block'){
			document.getElementById("menu_s_solutions").style.display='none';
		}else{
			document.getElementById("menu_s_solutions").style.display='block';
			document.getElementById("menu_s_profil").style.display='none';
			document.getElementById("menu_s_services").style.display='none';
			document.getElementById("menu_s_documentation").style.display='none';
		}
	}
	if(section=='menu_s_documentation'){
		if(document.getElementById("menu_s_documentation").style.display=='block'){
			document.getElementById("menu_s_documentation").style.display='none';
		}else{
			document.getElementById("menu_s_documentation").style.display='block';
			document.getElementById("menu_s_profil").style.display='none';
			document.getElementById("menu_s_services").style.display='none';
			document.getElementById("menu_s_solutions").style.display='none';
	}
}

}