function formCheckContact()
	{
		if (document.getElementById('F_name').value == "") 
			{
				alert("Please enter your name.");
				document.getElementById('F_name').focus();
				return false;
			}
		if (document.getElementById('F_email').value == "") 
			{
				alert("Please enter your email address.");
				document.getElementById('F_email').focus();
				return false;
			}
		if (document.getElementById('F_email').value.indexOf(".") == -1) 
			{
				alert("Please enter a valid email address.\n(You have not entered a full stop.)");
				document.getElementById('F_email').focus();
				return false;
			}
		if (document.getElementById('F_email').value.indexOf("@") == -1) 
			{
				alert("Please enter a valid email address.\n(You have not entered an @ sign.)");
				document.getElementById('F_email').focus();
				return false;
			}
		if (document.getElementById('F_comment').value == "") 
			{
				alert("Please enter your comment.");
				document.getElementById('F_comment').focus();
				return false;
			}
		
	}