// JavaScript Document

function chgImg(id,newImg) {
	document.getElementById(id).src = newImg;
}

function chgDisplay(id,status) {
	document.getElementById(id).style.display = status;
}

function chgSubnav(id,color) {
	document.getElementById(id).style.backgroundColor = color;
}

function chgContent(targetID,newID) {
	document.getElementById(targetID).innerHTML=document.getElementById(newID).innerHTML;
}

function thisYear() {
	thisYear = new Date();
	currYear = thisYear.getFullYear();
	document.write(currYear);
}

function checkFormB() {
	var f = document.forms['newsletterSignup'];
	
	if(f.email.value == '' || f.email.value == 'Enter Your Email') {
		alert('Please specify Email.');
		f.email.focus();
		return false;
	}

	return true;
}


// Product Tour Lightbox

var screenW, screenH;

function openLB() {
	var newLoc = "product-tour-video.html";
	new Ajax.Updater('productTourContainer', newLoc, { 
		method: 'get',
		onComplete: function() {
			screenW = document.body.scrollWidth;
			document.getElementById('productTour').style.left = (screenW-980)/2+"px";
			document.getElementById('productTour').style.top = "30px";
			document.getElementById('overlayB').style.display = "block";
			document.getElementById('productTour').style.display = "block";
		}
	});
}

function closeLB() {
	document.getElementById('overlayB').style.display = "none";
	document.getElementById('productTour').style.display = "none";
	document.getElementById('vmediaplayer').stop();
	
}