function swap(button_off, button_on)
{
button_off.src=button_on.src;
}

    
function ShowMenu(menuID, menuCount)
{
var numSubs = menuCount;
var curMenuID = "menu1_" + menuID;
for(var x=1; x<=numSubs; x++)
{
    	loopMenuID = "menu1_" + x;
     	if(loopMenuID != curMenuID)
      	{
   		loopMenu = document.getElementById(loopMenuID);
       		loopMenu.style.display = "none";
    	}
}
curMenu = document.getElementById(curMenuID);
curMenu.style.display = "block";
}


function ShowData(menuID)
{
var numSubs = 7;
var curMenuID = "data1_" + menuID;
for(var x=1; x<=numSubs; x++)
{
    	loopMenuID = "data1_" + x;
     	if(loopMenuID != curMenuID)
      	{
   		loopMenu = document.getElementById(loopMenuID);
       		loopMenu.style.display = "none";
    	}
}
curMenu = document.getElementById(curMenuID);
curMenu.style.display = "block";
}


// Global Parameters
    var currentSub;
    
    var closeTimer;
    var finalCloseTimer;
    // Timers
    var closeSubMenuTime = 0;
    var finalCloseTime = 2000;
    // Menu Functions
    function FinalClose()
    {
    	var numSubs = 3;
         for(var x=1; x<=numSubs; x++)
         {
             loopMenuID = "nav1_" + x;
             loopMenu = document.getElementById(loopMenuID);
             if(loopMenu.style.display == "block")
             {
                  loopMenu.style.display = "none";
             }
         }
    }
    function ShowNav(menuID)
    {
    	var numSubs = 3;
         var curMenuID = "nav1_" + menuID;
         for(var x=1; x<=numSubs; x++)
         {
             loopMenuID = "nav1_" + x;
             if(loopMenuID != curMenuID)
             {
                  loopMenu = document.getElementById(loopMenuID);
                  loopMenu.style.display = "none";
             }
         }
         curMenu = document.getElementById(curMenuID);
         curMenu.style.display = "block";
    }
    function HideMenu()
    {
         var subMenu = document.getElementById(currentSub);
         subMenu.style.display = "none";
    }
    function CloseSubMenu(menuID)
    {
         currentSub = menuID;
         closeTimer = setTimeout('HideMenu()', closeSubMenuTime);
    }
    
    
    
function validateSurvey()

{
var name = document.getElementById('name').value
var company = document.getElementById('company').value
var phone = document.getElementById('phone').value
var email = document.getElementById('email').value

var errors = ''
var submitok = "True"

	if (name == '') 
	{
	errors = errors + "- Please enter your name.\n";
	submitok = "False";
	}

	if (company == '') 
	{
	errors = errors + "- Please enter the company you work for.\n";
	submitok = "False";
	}

	if (phone == '') 
	{
	errors = errors + "- Please enter your phone number.\n";
	submitok = "False";
	}

	if (email == '') 
	{
	errors = errors + "- Please enter your email address.\n";
	submitok = "False";
	}

	if (submitok == "False")
	{
	alert("The following error(s) have occurred: \n\n" + errors);
	return false;
	}
	}