codice:
// Check for empty values in important fields first
		if(!document.getElementById("user").value || !document.getElementById("pass").value || !document.getElementById("pass2").value || !document.getElementById("email").value){
			alert("Please enter values in the following:\n\nUSERNAME\nPASSWORD\nCONFIRM PASSWORD");
			document.getElementById("user").focus();
			return true;
		}
pe ril primo problema invece fai una ricerca sui file .htaccess