function preload() {
	image1 = new Image();
	image1.src = "images/menu-home-o.gif";
	
	image2 = new Image();
	image2.src = "images/menu-about-o.gif";
	
	image3 = new Image();
	image3.src = "images/menu-greenhouse-o.gif";
	
	image4 = new Image();
	image4.src = "images/menu-contact-o.gif";
	
	image5 = new Image();
	image5.src = "images/menu-news-o.gif";
	
	image6 = new Image();
	image6.src = "images/menu-service-o.gif";
}

function ControlV1()
{

	var testok = 0;
	
	if (document.form10.email.value == "")
	{
		testok = 1;
		alert("Please enter a valid email address.");
		document.form10.email.focus();
	}
	
	else if (document.form10.email.value.indexOf("@") < 1 || document.form10.email.value.lastIndexOf(".") < 3 || document.form10.email.value.length < 5 || document.form10.email.value.substring(document.form10.email.value.lastIndexOf(".")).length < 2 || document.form10.email.value.substring(document.form10.email.value.lastIndexOf(".")).length > 5)
	{
		testok = 1;
		alert("Please enter a valid email address.");
		document.form10.email.focus();
	}

	else if (document.form10.question.value == "")
	{
		testok = 1;
		alert("Please enter a question or comment.");
		document.form10.question.focus();
	}

	if(testok == 0) {
		return(true);
	} else { return(false); }
}