function executeOnSubmit()
{
var status = checkField();

if(status == false)
{
alert('Please enter some data in the text field');
return false;
}

var res = alert("Thank you for entering the Gold Coast Holiday Homes $500 accommodation voucher competition");

if(res)
return true;
else
return false;
}

function checkField()
{

var elemValue = document.getElementById("name").value;
if(elemValue == "")
return false;
else
return true;
}

function gradient(id, level)
{
	var box = document.getElementById(id);
	box.style.opacity = level;
	box.style.MozOpacity = level;
	box.style.KhtmlOpacity = level;
	box.style.filter = "alpha(opacity=" + level * 100 + ")";
	box.style.display="block";
	return;
}


function fadein(id) 
{
	var level = 0;
	while(level <= 1)
	{
		setTimeout( "gradient('" + id + "'," + level + ")", (level* 1000) + 10);
		level += 0.01;
	}
}


// Open the lightbox


function openbox(formtitle, fadin)
{
  var box = document.getElementById('box'); 
  document.getElementById('shadowing').style.display='block';

  var btitle = document.getElementById('boxtitle');
  btitle.innerHTML = formtitle;
  
  if(fadin)
  {
	 gradient("box", 0);
	 fadein("box");
  }
  else
  { 	
    box.style.display='block';
  }  	
}


// Close the lightbox

function closebox()
{
   document.getElementById('box').style.display='none';
   document.getElementById('shadowing').style.display='none';
}