function print_mail(){
	document.write("<a href=\"mailto:info"+"@"+"const-foto.ru\">info"+"@"+"const-foto.ru<\/a>");
};

function getId(id){
	return document.getElementById(id);
};

function menu_close(){
	for(i=1;i<6;i++){
		document.getElementById('menu'+i).style.display = 'none';
	};
};

function menu(el){
	menu_close();
	document.getElementById('menu'+el).style.display = 'block';
};

function menu_close_step2(el){
	el.className = 'menu';
};