function validate(f)
	{
	if (window.location.href.indexOf('file:') == 0)
		{
		window.print();
		return false;
		}
	else
		{
		if ((f['strCAPTCHA']) && (f['strCAPTCHA'].value.length != 4))
			{
			alert('Please enter the four numbers you see');
			return false;
			}

		if ((f['email'].value == '') || (f['email'].value.match(/^[\.\#\$\%\&\'\*\+\-\/\=\?\^\_\`\{\|\}\~0-9A-Za-z]+\@[A-Za-z0-9\-\_\.]+\.[A-Za-z]{2,4}$/) == null))
			{
			alert('Please enter a valid email address so that we can reply to you.');
			return false;
			}
		}
	}

function checkSearch()
	{
	if (window.location.href.indexOf('file:') == 0)
		{
		alert('Sorry, the search won\'t work locally.');
		return false;
		}
	}