function $(id) {
	return document.getElementById(id);	
}
function validate() {
	var name = $("name").value;
	var email = $("email").value;
	var title = $("title").value;
	var message = $("message").value;
	if (email.indexOf("@") == -1) {
		alert("Please put a valid e-mail.");
		$("email").focus();
	} else {
		if (name == "") {
		alert("Please put a name.");
		$("name").focus();
		} else {
			if (title == "") {
				alert("Please put a title.");
				$("title").focus();
			} else {
				if (message == "") {
					alert("Please put a message.");
					$("message").focus();						
				} else {
					$("form_contact").submit();
				}	
			}
		}
	}
}
function validate_login() {
	var lo = $("login_lost").value;
	var email = $("email_lost").value;
	if (email.indexOf("@") == -1) {
		alert("Please put a valid e-mail.");
		$("email_lost").focus();
	} else {
	if (lo == "") {
		alert("Please put an login.");
		$("login_lost").focus();
		} else {
			$("form_lost").submit();
		}
	}
}
function change_flag() {
		var x = $("naciona").value;
		$("flag").src = "images/flags/"+ x + ".png";
		$("flag").style.visibility = "visible";			
}
function validade_profile() {
	var pass = $("old_password").value;	
	var email = $("email_change").value;
	if (pass == "") {
		alert("You have to put your password to save the changes.");
		$("old_password").focus();
	} else {
		if (email.indexOf("@") == -1) {
			alert("Please put a valid e-mail.");
			$("email_change").focus();
		} else {
			$("form_profile").submit();	
		}
	}
}
function validate_reg() {
	var pass = $("pass_reg").value;
	var repass = $("repass_reg").value;
	var email = $("reg_email").value;
	if (pass != repass) {
		alert("Please check your password.");
	} else {
		if (email.indexOf("@") == -1) {
			alert("Please enter a valid email");
		} else {
			$("reg_form").submit();	
		}
	} 
}
function change(id) {
		$(id).style.background = '#E9EBEB';
}

function dechange(id) {
	$(id).style.background = '#FFF';
}
function hide(id) {
	var x = $(id).style.visibility;
	if (x == "hidden") {
		$(id).style.visibility = "visible";	
		$(id).style.display = "block";
	} else {
		$(id).style.display = "none";
		$(id).style.visibility = "hidden";
	}
}
function valida_search() {
	var x = $("search_query").value;
	if (x != "" && x.length >= '3') {
		$("search_form").submit();	
	} else {
		alert('You might type at least 3 characters.');
		$("search_query").focus();
	}
}
function super_menu(id) {
	var a = $(id).className;
		if (id == "super_1") {
			$('super_2').className = 'super_menu2';
			$('super_3').className = 'super_menu2';
			$('super_1').className = 'super_menu_active';
			$('ans_2').className = 'super_hide';
			$('ans_3').className = 'super_hide';
			$('ans_1').className = 'super_ans';
		}
		if (id == "super_2") {
			$('super_1').className = 'super_menu';
			$('super_3').className = 'super_menu2';
			$('super_2').className = 'super_menu_active2';
			$('ans_3').className = 'super_hide';
			$('ans_1').className = 'super_hide';
			$('ans_2').className = 'super_ans';
		}
		if (id == "super_3") {
			$('super_1').className = 'super_menu';
			$('super_2').className = 'super_menu2';
			$('super_3').className = 'super_menu_active2';
			$('ans_2').className = 'super_hide';
			$('ans_1').className = 'super_hide';
			$('ans_3').className = 'super_ans';
	
	}
}