/* check the login credentials */
function isInvalidLogin() {
	var addressurl = document.URL;
	var isvalid = addressurl.search(/invalidlogin=/);
	if (isvalid != -1)
	{
		alert ("Invalid mobile number or password");
	}
}

/* validate login form */
function validatelogin() {
	var errorfound = false;
	/* validate name */
	if(!validatedata("idpass", "valpassword", false))
		errorfound = true;

	/* validate mobile number */
	if(!validatedata("idmobileno", "valmobno", false))
		errorfound = true;

	return !errorfound;
}

/* validate admin login form */
function validateadminlogin() {
	var errorfound = false;
	/* validate name */
	if(!validatedata("idpass", "valpassword", false))
		errorfound = true;
	/* validate mobile number */
	if(!validatedata("idmobileno", "valmobno", false))
		errorfound = true;
	/* validate mobile number */
	if(!validatedata("idadmction", "valadmaction", false))
		errorfound = true;

	return !errorfound;
}

/* show error image */
function showerror(errorfld) {
	document.getElementById(errorfld).innerHTML = "<img src='../images/redx.png' />";
}
function shownoerror(errorfld) {
	document.getElementById(errorfld).innerHTML = "&nbsp;";
}