function nameFocus() {
    document.forms["form1"]["realname"].focus();
}

function ValidateForm() {
    document.getElementById("error_message").style.display = "none";
    document.getElementById("error_name").style.display = "none";
    document.getElementById("error_email").style.display = "none";
    document.getElementById("error_syntax").style.display = "none";
    var x = document.forms["form1"]["realname"].value,
		y = document.forms["form1"]["email"].value,
		z = document.forms["form1"]["email"].value,
		m = document.forms["form1"]["message"].value,
		atpos = z.indexOf("@"),
		dotpos = z.lastIndexOf(".");
		
    if (x === null || x === "") {
        document.getElementById("error_name").style.display = "table-row";
        document.forms["form1"]["realname"].focus();
        return false;
    }
	if (y === null || y === "") {
        document.getElementById("error_email").style.display = "table-row";
        document.forms["form1"]["email"].focus();
        return false;
    }
	if (atpos < 1 || dotpos < atpos + 2 || dotpos + 2 >= z.length) {
        document.getElementById("error_syntax").style.display = "table-row";
        document.forms["form1"]["email"].value = "";
        document.forms["form1"]["email"].focus();
        return false;
    }
	if (m === null || m === "") {
        document.getElementById("error_message").style.display = "table-row";
        document.forms["form1"]["message"].focus();
        return false;
    }
    document.forms["form1"].submit();
}




function Clear() {
    document.getElementById("error_name").style.display = "none";
    document.getElementById("error_email").style.display = "none";
    document.getElementById("error_syntax").style.display = "none";
    document.getElementById("error_message").style.display = "none";
    document.forms["form1"]["realname"].focus();
}

window.onload = NameFocus;