function addText(id)
{
	var element;
	element = document.getElementById(id);

	if (element.value == '')
	{
		element.value = 'Subscribe ...';
		element.style.color = '#999999';
	}
}

function clearText(id)
{
	var element;
	element = document.getElementById(id);

	if (element.value == 'Subscribe ...')
	{
		element.value = '';
		element.style.color = '#000000';
	}
}

function preloadImages()
{
	var images = ['original', 'schroderhomes', 'tonks', 'horizonheights', 'horizonheights2'];
	var imgObj = [];
	
	for (var i = 0; i < images.length; i++)
	{
	  imgObj[i] = new Image();
	  imgObj[i].src = images[i] + '.jpg';
	}
}