var initPage = function() {
	initSignUp();
}

var initSignUp = function() {
	var btn = document.getElementById('news-sign');
	var form = document.getElementById('news-form');
	if (btn && form) {		
		btn.onclick = function() {
			if (btn.className == 'open') {				
				this.className = '';
				form.style.display = 'none';
			} else {
				this.className = 'open';
				form.style.display = 'block';		
			};
			return false;
		}
	} else {
		btn.onclick = function() {
			return false;
		}	
	}	
}

if (window.addEventListener){
	window.addEventListener("load", initPage, false);
} else if (window.attachEvent){
	window.attachEvent("onload", initPage);
}