function changeImg(image,direction,index)
{
	if(document.images)
	if(direction == 'in')
		image.src=images2[index].src;
	else
		image.src=images1[index].src;
}
function Img2()
{
	this[0]=new Image();this[0].src="/art/nav_drpreble_on.gif";
	this[1]=new Image();this[1].src="/art/nav_office_on.gif";
	this[2]=new Image();this[2].src="/art/nav_appointment_on.gif";
	this[3]=new Image();this[3].src="/art/nav_specialties_on.gif";
	this[4]=new Image();this[4].src="/art/nav_contact_on.gif";
	this[5]=new Image();this[5].src="/art/nav_home_on.gif";
	this[6]=new Image();this[6].src="/art/nav_procedures_on.gif";
	this[7]=new Image();this[7].src="/art/nav_news_on.gif";
}
function Img1()
{
	this[0]=new Image();this[0].src="/art/nav_drpreble_off.gif";
	this[1]=new Image();this[1].src="/art/nav_office_off.gif";
	this[2]=new Image();this[2].src="/art/nav_appointment_off.gif";
	this[3]=new Image();this[3].src="/art/nav_specialties_off.gif";
	this[4]=new Image();this[4].src="/art/nav_contact_off.gif";
	this[5]=new Image();this[5].src="/art/nav_home_off.gif";
	this[6]=new Image();this[6].src="/art/nav_procedures_off.gif";
	this[7]=new Image();this[7].src="/art/nav_news_off.gif";
}
if(document.images)
{
	var images2=new Img2();
	var images1=new Img1();
}

function checkForm(f)
{
	var error = "";
	var valid = true;

	if (f.email.value.length == 0)
	{
		error += "Please enter your email address\r";
	}

	// if no errors are present, submits form. otherwise,
	// an error is shown
	if (error != "")
	{
		alert (error);
		valid = false;
	}
	return valid;
}
function popup(){
window.open('/movies/movie.html','','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,width=346,height=300,top=100,left=100')
return;    
}