function flash_window()
	{
	window.open('/flash_demo.asp','flash_demo','width=512,height=384');
	}


function text_field()
	{
	var size=17, app=navigator.appName, version = parseFloat(navigator.appVersion);
	if (app.indexOf('Netscape') != -1) // Is NetScape
		{
		if ((navigator.platform == "Win32") && (version < 5)) size = 10;
		if ((navigator.platform == "MacPPC") && (version >= 5)) size = 13;
		}

	if (app.indexOf('Microsoft') != -1) // Is Microsoft
		{
		if (navigator.platform == "Win32") size = 18;
		if ((navigator.platform == "MacPPC") && (version >= 4)) size = 13;
		}
	document.write ("<input name='email' type='text' class='text-medium' size='" + size + "' maxlength='50'>");
	}
	

function verify_mail()
	{
	argument=verify_mail.arguments;
	email_address = argument[0].value;

    if ( (email_address.indexOf(' ')!=-1) || (email_address.indexOf('@')==-1) || (email_address.indexOf('.')==-1) || (email_address.length < 6) )
		{ 
		alert ("Please enter a valid e-mail address.");
		document.form_mail.email.focus();
		return false;
		}

	return true;
	}