function loadImages()	{
	this[1] = new Image()
	this[1].src = "images/nav_dealer-on.gif"
	this[2] = new Image()
	this[2].src = "images/nav_rep-on.gif"
	this[3] = new Image()
	this[3].src = "images/nav_whatsnew-on.gif"
	this[4] = new Image()
	this[4].src = "images/nav_events-on.gif"
	this[5] = new Image()
	this[5].src = "images/nav_about-on.gif"
	this[6] = new Image()
	this[6].src = "images/nav_contact-on.gif"
	this[7] = new Image()
	this[7].src = "images/nav_whatsnew-on.gif"
	this[8] = new Image()
	this[8].src = "images/nav_clinical-on.gif"
	this[9] = new Image()
	this[9].src = "images/nav_products-on.gif"

}

if (document.images)	{	loadImages()	}

function navOn(imgName) {
	
	if (imgName == "dealer")	{	document.images[imgName].src = this[1].src	}
	if (imgName == "rep")		{	document.images[imgName].src = this[2].src	}
	if (imgName == "whatsnew")	{	document.images[imgName].src = this[3].src	}
	if (imgName == "events")	{	document.images[imgName].src = this[4].src	}
	if (imgName == "about")		{	document.images[imgName].src = this[5].src	}
	if (imgName == "contact")	{	document.images[imgName].src = this[6].src	}
	if (imgName == "whatsnew")	{	document.images[imgName].src = this[7].src	}
	if (imgName == "clinical")	{	document.images[imgName].src = this[8].src	}
	if (imgName == "products")	{	document.images[imgName].src = this[9].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()
}

// index.php
function change_page(formObj) {
	var optionValue = formObj.brand[formObj.brand.selectedIndex].value
	if (optionValue != "") {
		var re_optionValue = /\.php$/
		if (re_optionValue.test(optionValue)) {
			formObj.action = optionValue
		}
		formObj.submit()
	}
}