// JavaScript Document
function addsite() {
	var x = document.getElementById('formular');
	if(!x.title.value || !x.url.value  || !x.description.value || (x.url.value == "http://") || !x.tag1.value) {
		alert("All fields and at least one tag must be filled!");	
		return(false);
	}
	return(true);
}

function show(el) {
	document.getElementById(el).style.display = "block";	
}

function hide(el) {
	document.getElementById(el).style.display = "none";	
}