<!-- HTML comment tag: hide this script from older browsers

function feedbackFormCheck() {
	form=document.feedbackForm;
	if (form.realname.value == "" & form.email.value =="" & form.comments.value =="") {
		alert("You have tried to send us an empty form");
		return false;
	} else {
		if (form.email.value =="") {
			alert("Please enter your email address");
			return false;
		} else {
			if (form.email.value.indexOf("@")==-1 || form.email.value.indexOf(".")==-1 || form.email.value.indexOf(" ")!=-1 || form.email.value.length < 6) {
				alert("Please enter a valid email address");
				return false;
			}
		}
		return true;
	}
}

/* begin, determine window size */
	var windowwidth=0;
	var windowheight=0;
	if(navigator.appName == "Netscape") {
		windowwidth = window.innerWidth;
		windowheight = window.innerHeight;
	} else if (navigator.appName == "Microsoft Internet Explorer") {
		windowwidth = document.body.clientWidth;
		windowheight = document.body.clientHeight;
	}
/* end, determine window size */

// JavaScript tag: end SCRIPT hiding -->