var http_request = false;

function makeHttpRequest(url, callback_function, return_xml)
{
    //alert('in makeHttpRequest');
    // var http_request = false;

    if (window.XMLHttpRequest) { // Mozilla, Safari,...
        http_request = new XMLHttpRequest();
        if (http_request.overrideMimeType) {
            http_request.overrideMimeType('text/xml');
        }

    } else if (window.ActiveXObject) { // IE
        try {
            http_request = new ActiveXObject("Msxml2.XMLHTTP");
        } catch (e) {
            try {
                http_request = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
        }
    }

    if (!http_request) {
        alert('Unfortunatelly you browser doesn\'t support this feature.');
        return false;
    }

    http_request.onreadystatechange = function() {
        if (http_request.readyState == 4) {
            if (http_request.status == 200) {
                if (return_xml) {
                    eval(callback_function + '(http_request.responseXML)');
                } else {
                    eval(callback_function + '(http_request.responseText)');
                }
            } else {
                alert('There was a problem with the request.(Code: ' + http_request.status + ')');
            }
        }
    }


    //	http_request.onreadystatechange=loadquote;
    http_request.open('GET', url, true);
    http_request.send(null);
//alert('url = ' + url);
}

//function loadquote(xml)
function loadquote()
{
    if (http_request.readyState==4 || http_request.status == 200)
    {

        //alert('loadquote');
        //    var html_content = xml.getElementsByTagName('content').item(0).firstChild.nodeValue;
        //	var html_qty = xml.getElementsByTagName('qty').item(0).firstChild.nodeValue;
        //    document.getElementById('quote_price').innerHTML = '$' + html_content;
        //	document.cart_quantity.elements['qty'].value= html_qty;
        //	document.cart_quantity.elements['parameters[total_price]'].value = html_content;
        //	alert('Hello');
        //alert(http_request.responseText);
        document.getElementById("price_tables").innerHTML = http_request.responseText;
    //document.getElementById("standardTable2").innerHTML = http_request.responseText;
    //document.getElementById("standardTable3").innerHTML = http_request.responseText;
    //document.getElementById("standardTable4").innerHTML = http_request.responseText;

    //document.getElementById("customTable").innerHTML = http_request.responseText;

    //document.getElementById("standardTable").innerHTML = 'xyz';

    }
}

//	function display_price_matrix(form_name)
function display_price_matrix(form_name, supplier_folder)
{
    form_has_changed = false;
    var now = new Date();
    form_name = document.forms[form_name];
    //alert('in display_price_matrix');
    //	alert(name);
    //    var url = 'process_quote.php?ts=' + now.getTime();
    //		var url = form_name.name + '/price_matrix.php';
    var url = supplier_folder + '/price_matrix.php';
    //	alert('url = ' + url);
    //	var url = 'http://www.pcbunlimited.com/advanced_circuits2/price_matrixz.php';

    var msg = "";
    var err_msg = "";
    var newtest = "";

    var i=0;
    while (i<form_name.elements.length) {
        msg = msg + form_name.elements[i].name + '=' + form_name.elements[i].value + '&';
        i++;
    }

    //    url = url + msg;
    url = url + '?' + msg;
    //alert('URL = ' + url);
    //	alert('display_price_matrix');
    //	alert(form_name.name);
    //	alert(form_name.elements.length);
    //	check_form(form_name);
    //document.check_form(form_name);
    //document.getElementById('required').innerHTML = err_msg;
    //	alert(msg);
    //    url = url + '&products_id=' + products_id + msg;
    //    url = url + '&products_id=' + products_id + msg;

    //alert(url);
    //   makeHttpRequest(url, 'loadquote', true);
    //	alert(url);
    makeHttpRequest(url, 'loadquote', false);
//alert(form_name.elements.length);

}
var form = "";
var submitted = false;
var error = false;
var error_message = "";

function check_input(field_name, field_size, message) {
    if (form.elements[field_name] && (form.elements[field_name].type != "hidden")) {
        var field_value = form.elements[field_name].value;
        if (field_value == '' || field_value.length < field_size) {
            error_message = error_message + "* " + message + "\n";
            error = true;
        }
    }
}

function check_radio(field_name, message) {
    var isChecked = false;

    if (form.elements[field_name] && (form.elements[field_name].type != "hidden")) {
        var radio = form.elements[field_name];

        for (var i=0; i<radio.length; i++) {
            if (radio[i].checked == true) {
                isChecked = true;
                break;
            }
        }

        if (isChecked == false) {
            error_message = error_message + "* " + message + "\n";
            error = true;
        }
    }
}

function check_select(field_name, field_default, message) {
    if (form.elements[field_name] && (form.elements[field_name].type != "hidden")) {
        var field_value = form.elements[field_name].value;
        //alert(field_name);
        //alert(form.elements[field_name].value);
        //error = true;

        if (field_value == field_default) {
            error_message = error_message + "* " + message + "\n";
            //alert(error_message);
            error = true;
        }
    }
}

function check_password(field_name_1, field_name_2, field_size, message_1, message_2) {
    if (form.elements[field_name_1] && (form.elements[field_name_1].type != "hidden")) {
        var password = form.elements[field_name_1].value;
        var confirmation = form.elements[field_name_2].value;

        if (password == '' || password.length < field_size) {
            error_message = error_message + "* " + message_1 + "\n";
            error = true;
        } else if (password != confirmation) {
            error_message = error_message + "* " + message_2 + "\n";
            error = true;
        }
    }
}

function check_password_new(field_name_1, field_name_2, field_name_3, field_size, message_1, message_2, message_3) {
    if (form.elements[field_name_1] && (form.elements[field_name_1].type != "hidden")) {
        var password_current = form.elements[field_name_1].value;
        var password_new = form.elements[field_name_2].value;
        var password_confirmation = form.elements[field_name_3].value;

        if (password_current == '' || password_current.length < field_size) {
            error_message = error_message + "* " + message_1 + "\n";
            error = true;
        } else if (password_new == '' || password_new.length < field_size) {
            error_message = error_message + "* " + message_2 + "\n";
            error = true;
        } else if (password_new != password_confirmation) {
            error_message = error_message + "* " + message_3 + "\n";
            error = true;
        }
    }
}

function check_form(form_name) {
  
    error = false;
    form = form_name;
    error_message = "Errors have occured during the process of your form.\n\nPlease make the following corrections:\n\n";

    //  check_select("country", "", "You must select a country from the Countries pull down menu.");
    //  check_select('id[5]', "10", "must select a value");

    <!-- attributes -->
    check_select("id[6]", "10", "Please select a Frame Size");
    <!-- attributes_eof -->

  
    check_input("parameters[pcb_width]", '0', "You must enter a PCB width:");
    check_input("parameters[pcb_length]", '0', "You must enter a PCB Length:");
    check_select("parameters[solder_mask]", "0", "You must make a selection for Solder Mask:");
    check_select("parameters[silk_screen]", "0", "You must make a selection for Silk Screen:");
    /*  check_select("parameters[lead_free_stencil]", "0", "You must make a selection for Lead Free Application?");
  check_input("parameters[printer_type]", '0', "Your Printer Name: must contain a minimum of 3 characters");
  check_select("parameters[fiducial_data]", "0", "You must make a selection for Fiducial Data:");
  check_select("parameters[panelize]", "0", "You must make a selection for Is the board panelized?");
  check_select("parameters[print_confirmation]", "0", "You must make a selection for Send me a Check Plot?"); */
    <!-- end of Parameters -->

    if (error == true) {
        alert(error_message);
        return false;
    } else {
        submitted = true;
        return true;
    }
}