function Lien (idName) {
	i = document.getElementById(idName).selectedIndex;
	url = document.getElementById(idName).options[i].value;
	parent.location.href = url;
}

function setMenuIndex(selectId, type) {
	url = decodeURI(parent.location.href);
	search = url.search(type);
	if (search == -1) {
		return false;
	}	
	text = url.substr(search + type.length + 1);
	list = document.getElementById(selectId);
	for (i = 0; i < list.length; i++) {
		if (list.options[i].text == text.replace(/\+/g, " ")) {
			list.selectedIndex = i;
			return true;
		}
	}
	return false;
}

function init() {
	if (!setMenuIndex('list', 'label')) {
		setMenuIndex('list2', 'art');
	}
}

function checkEmail() {
	var email = document.getElementById('email');
	var filter = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (!filter.test(email.value)) {
		alert('Please provide a valid email address');
		email.focus();
		return false;
	}
	return true;
}

window.onload = init;