function ValidateCheckboxes()
{
	var CPInfo = document.getElementById('cpinfo');
	var CPInfoCheckbox = document.getElementById('cpinfo_checkbox');
	var WLS = document.getElementById('wls');
	var WLSCheckbox = document.getElementById('wls_checkbox');
	var E911 = document.getElementById('e911');
	var E911Checkbox = document.getElementById('e911_checkbox');
	
	if (CPInfoCheckbox.checked == false && WLSCheckbox.checked == false && E911Checkbox.checked == false)  {
		alert('You must select at least one informational option.');
		
		return false;
	}
	
	if (CPInfoCheckbox.checked)
		CPInfo.value = '1';
	else
		CPInfo.value = '0';
		
	if (WLSCheckbox.checked)
		WLS.value = '1';
	else
		WLS.value = '0';
		
	if (E911Checkbox.checked)
		E911.value = '1';
	else
		E911.value = '0';
}