function validate_form() {
	var frm_first_name=document.frm_registration.frm_first_name.value;
	var frm_surname=document.frm_registration.frm_surname.value;
	var frm_garda_reg_number=document.frm_registration.frm_garda_reg_number.value;
	var frm_email_address=document.frm_registration.frm_email_address.value;
	var frm_user_name=document.frm_registration.frm_user_name.value;
	var frm_password=document.frm_registration.frm_password.value;
	var frm_password_confirm=document.frm_registration.frm_password_confirm.value;
	
	var illegalChars= /[\(\)\<\>\,\;\:\\\/\"\[\]]/
	var emailFilter=/^.+@.+\..{2,3}$/;

	// check for blank fields
	if(frm_first_name=="" || frm_surname=="" || frm_garda_reg_number=="" || frm_email_address=="" || frm_user_name=="" || frm_password=="" || frm_password_confirm=="") {
		alert("Please fill out all form fields");
		return false;
	}
		
	// check for email characteristics in email field
	if (!emailFilter.test(frm_email_address)) { 
		alert("Improper email address");
		return false;
	}
	
}

function login() {
	 document.getElementById("not_login_table").style.display='none';
 	 document.getElementById("login_table").style.display='';
}

function checkthis(el) {
	if (el.value=="Search Garda Review") { el.value=''; }
}