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) {
		website_12_06_over = newImage("images/website_12_06-over.jpg");
		website_12_07_over = newImage("images/website_12_07-over.jpg");
		website_12_08_over = newImage("images/website_12_08-over.jpg");
		website_12_09_over = newImage("images/website_12_09-over.jpg");
		website_12_10_over = newImage("images/website_12_10-over.jpg");
		website_12_11_over = newImage("images/website_12_11-over.jpg");
		preloadFlag = true;
	}
}


function selectAll(theField) {
	var tempval=eval("document."+theField)
	tempval.focus()
	tempval.select()
}

	function notBlank(theField, message) {
		var tempval=eval("document."+theField);
		if (tempval.value == "") {
			alert(message);
			tempval.focus();
    		return false;
		}
		return true;
	}

function check_contact() {
	return (notBlank('contact.semail', 'Please enter your email address') && notBlank('contact.sBody', 'Please enter a message'));
}