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){
        document.getElementById("price_tables").innerHTML = http_request.responseText;
        setTimeout("selectPriceOnLoad()", 800);
    }
}
function selectPriceOnLoad(){
    if(null !== $('select_price_script')){
        eval($('select_price_script').text);
    }
}

//	function display_price_matrix(form_name)
function display_price_matrix(form_name, supplier_folder)
{
	form_has_changed = false;
	var now = new Date();
//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;
  }
}