<!--
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 preloadMontage() {
	if (document.images) {
		montage_welcome_ro = newImage("asset/image/montage_welcome-ro.gif");
		montage_about_ro = newImage("asset/image/montage_about-ro.gif");
		montage_work_ro = newImage("asset/image/montage_work-ro.gif");
		montage_services_ro = newImage("asset/image/montage_services-ro.gif");
		montage_contact_ro = newImage("asset/image/montage_contact-ro.gif");
		preloadFlag = true;
	}
}

var preloadFlag = false;
function preloadNavigation() {
	if (document.images) {
		nav_welcome_ro = newImage("asset/image/nav_welcome-ro.jpg");
		nav_about_ro = newImage("asset/image/nav_about-ro.jpg");
		nav_work_ro = newImage("asset/image/nav_work-ro.jpg");
		nav_services_ro = newImage("asset/image/nav_services-ro.jpg");
		nav_contact_ro = newImage("asset/image/nav_contact-ro.jpg");
		preloadFlag = true;
	}
}

function galleryWindow(pic,sizex,sizey) {
	new_url = "http://www.jacksonheathgroup.com/work/gallery_large.php?pic=" + pic + "&sizex=" + sizex + "&sizey=" + sizey;
	newWin = window.open(new_url, 'gallery','width=500, height=660');
	if (!newWin.opener) newWin.opener = self;
}

function check_contact(){ //form validation script
	if(document.contact.name.value==""){
		alert('We would really like to know your name.');
		document.contact.name.focus(); 
		return false;
	}
	if(document.contact.email.value==""){
		alert('Please give us your email address. We will not save it or add you to a spam list.');
		document.contact.email.focus(); 
		return false;
	}
	if(document.contact.comment.value==""){
		alert("Do you really want to give us your name and email address without including a question or comment?");
		document.contact.comment.focus(); 
		return false;
	}
	return true;
}
// -->