function show_progress_indicator()
{
	progress_image = document.getElementById("progress_indicator");
	progress_image.style.visibility = "visible";
}

function image_button_hover_on()
{
	submit_btn = document.getElementById('submit_contact_us_btn');
	submit_btn.style.color = '#6B6051';
}

function image_button_hover_off()
{
	submit_btn = document.getElementById('submit_contact_us_btn');
	submit_btn.style.color = '#000';
}