var regimg = 0;
var whoimg = 1;
var manimg = 2;
var helimg = 3;
var polimg = 4;
var parimg = 5;
var logimg = 6;
var preimg = 7;
var conimg = 8;
var aboimg = 9;
var mapimg = 10;
var proimg = 11;

var images = new Array(12);
var currentSection = "";

function RollImage(name, low, high)
{ 
  this.state = false;
  this.current = false;
  this.name = name;
  this.low = new Image();
  this.low.src = low;
  this.high = new Image();
  this.high.src = high

  return this;
}

var roll = (document.images);

if(roll)
{ 
  // Load all the images.
  // images[0] = new RollImage("img to roll", "static image", "active image");
  images[0]  = new RollImage("regimg", "/gfx/menubar/menu1-regi.gif", "/gfx/menubar/menu1-regi-on.gif");
  images[1]  = new RollImage("whoimg", "/gfx/menubar/menu2-whoi.gif", "/gfx/menubar/menu2-whoi-on.gif");
  images[2]  = new RollImage("manimg", "/gfx/menubar/menu3-mana.gif", "/gfx/menubar/menu3-mana-on.gif");
  images[3]  = new RollImage("helimg", "/gfx/menubar/menu4-help.gif", "/gfx/menubar/menu4-help-on.gif");
  images[4]  = new RollImage("polimg", "/gfx/menubar/menu5-poli.gif", "/gfx/menubar/menu5-poli-on.gif");
  images[5]  = new RollImage("parimg", "/gfx/menubar/menu6-join.gif", "/gfx/menubar/menu6-join-on.gif");
  images[6]  = new RollImage("logimg", "/gfx/menubar/menu7-logi.gif", "/gfx/menubar/menu7-logi-on.gif");
  images[7]  = new RollImage("preimg", "/gfx/menubar/menu8-pres.gif", "/gfx/menubar/menu8-pres-on.gif");
  images[8]  = new RollImage("conimg", "/gfx/menubar/menu9-cont.gif", "/gfx/menubar/menu9-cont-on.gif");
  images[9]  = new RollImage("aboimg", "/gfx/menubar/menuA-abou.gif", "/gfx/menubar/menuA-abou-on.gif");
  images[10] = new RollImage("mapimg", "/gfx/menubar/menuC-site.gif", "/gfx/menubar/menuC-site-on.gif");
  images[11] = new RollImage("proimg", "/gfx/menubar/menuD-prod.gif", "/gfx/menubar/menuD-prod-on.gif");
}

function changeImage(section, message, newState)
{ 
  // Make sure can actually do rolling images.
  if((section != null) && roll)
  { 
    // Get the rollImage.
    var rollImage = eval("images[" + section + "]");
    // If it isn't current, change it's state.
    if(!rollImage.current)
    { 
      if(newState)
       document.images[rollImage.name].src = rollImage.high.src;
      else
       document.images[rollImage.name].src = rollImage.low.src;
       rollImage.state = newState;
    }
  }
  window.status = message;
  return true;
}

function popupWindow(url, winname, w, h, child, position, scrollbars, resize, status, toolbar, dependent, alwaysRaised, menubar)
{
  // 20040324DC - name the parent window so it can be reused by the popup window.
  
  self.name = 'Parent_Window'; 
  
  // Default settings - off/nothing
  var scrollbarsetting = 'no';
  var statusbarsetting = 'no';
  var toolbarsetting   = 'no';
  var dependentsetting = 'no';
  var alwaysRaisedsetting = 'no';
  var menubarsetting = 'no';
  var positionsettings = ''; // If empty, won't be output
  var resizesetting    = '';
  
  // Specify width and height, make it 1/2 of screen
  var width  = ((screen.width) / 2);
  var height = ((screen.width) / 2);
  
  // If w & h specified, override the default width and height...
  if (w != width)
  {
    width = w;
  }
  if (h != height)
  {
    height = h;
  }
  
  // Use these values to center the window on-screen
  var winl   = (screen.width - w) / 2;
  var wint   = (screen.height - h) / 2;
  
  // If we want the window centered, use this. Could extend
  // in future to use some of kind of offest
  if (position == 'center')
  {
    positionsettings = 'top='+wint+',left='+winl+',';
  }
  
  //for the below statements, if 'yes' is sent through, change the default setting
  //from 'no' to 'yes'
  
  if (scrollbars == 'yes')
  {
    scrollbarsetting = 'yes';
  }

  if (resize == 'yes')
  {
    resizesetting = ',resizable';
  }

  if (status == 'yes')
  {
    statusbarsetting = 'yes';
  }

  if (toolbar == 'yes')
  {
    toolbarsetting = 'yes';
  }
  
  if (dependent == 'yes')
  {
    dependentsetting = 'yes';
  }
  
  if (alwaysRaised == 'yes')
  {
    alwaysRaisedsetting = 'yes';
  }
  
  if (menubar == 'yes')
  {
    menubarsetting = 'yes';
  }

  // Define the window properties line
  winprops  = 'height=' +height+ ',width=' +width+ ',' +positionsettings+ 'scrollbars=' +scrollbarsetting+ ',toolbar=' +toolbarsetting+ ',status=' +statusbarsetting+ ',dependent=' +dependentsetting+ ',alwaysRaised=' +alwaysRaisedsetting+ ',menubar=' +menubarsetting+ '' +resizesetting;

  // Decide whether we're opening a dependant or normal window
  if (child == 'yes')
  {
    // Dependant, closes when focus is moved away from its parent
    win = open(url, winname, winprops);
  }
  else
  {
    // Normal window, stays open until shut
    win = window.open(url, winname, winprops);
  }

  // Give the new window focus, if we can
  if (parseInt(navigator.appVersion) >= 4)
  {
    win.window.focus();
  }
}

function updateParent(newURL) 
{
  opener.document.location = newURL;
  obgWindow.close();  
}

var submitcount=0;

function checkFields() 
{                       
  if (submitcount == 0)
  {
    submitcount++;
    //alert(submitcount);
    return true;		
  }
  else 
  {		
    alert("Thankyou, this form has already been submitted.");
    return false;
  }   
}

var submitDone;
submitDone = 0;

function preventDoublePosts(form) 
{
	if (document.all && document.form.SubmitButton) 
  {
		document.form.SubmitButton.disabled = true;
		document.form.SubmitButton.value = 'Please wait...';
	}

	if (submitDone == 0) 
  {
		submitDone = 1;
		return true;
	}
	//else 
  //{ 
	//	if (!document.form.SubmitButton || !document.all) 
  //  {
	//		alert("Please wait..."); 
	//	}
	//	return false; 
	//}
    
}