function loadImages()	{
	this[1] = new Image()
	this[1].src = "images/nav_about_on.gif"
	this[2] = new Image()
	this[2].src = "images/nav_portfolio_on.gif"
	this[3] = new Image()
	this[3].src = "images/nav_ourwines_on.gif"
	this[4] = new Image()
	this[4].src = "images/nav_marketing_on.gif"
	this[5] = new Image()
	this[5].src = "images/nav_contact_on.gif"
	this[6] = new Image()
	this[6].src = "images/nav_login_on.gif"

}

if (document.images)	{	loadImages()	}

function navOn(imgName) {
	
	if (imgName == "about")		{	document.images[imgName].src = this[1].src	}
	if (imgName == "portfolio")	{	document.images[imgName].src = this[2].src	}
	if (imgName == "ourwines")	{	document.images[imgName].src = this[3].src	}
	if (imgName == "marketing")	{	document.images[imgName].src = this[4].src	}
	if (imgName == "contact")	{	document.images[imgName].src = this[5].src	}
	if (imgName == "login")		{	document.images[imgName].src = this[6].src	}
}

function navOff(imgName) {
	document.images[imgName].src = "images/nav_" + imgName + "_off.gif"
}

function openWindow(url) {
	var win = window.open(url,"popup","width=500,height=350,scrollbars=yes,resizable=yes,location=no,toolbar=no,menubar=no,directories=no,status=yes")
	win.focus()
}