// JavaScript Document
function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		send_button_over = newImage("images/send_button-over.jpg");
		preloadFlag = true;
	}
}

function sendFeedback () {
	if (document.forms.feedback.message.value.length > 2) {
		document.forms.feedback.submit ();
	}else {
	alert ("Please fill in the message field. " + document.forms.feedback.message.value.length);
	}
}
window.document.onLoad = preloadImages ();