function confirm() 
	{
	var x = document.mailform.fromemail.value;
	var filter  = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z])+$/;
		if (!filter.test(x))
		{
		alert("Please provide a valid email address in the \"From\" field.");
		document.mailform.fromemail.focus()
		return false;
		}
	}