<!--
// navigation popup
function shownavpop(obj) {
    if (document.getElementById) {
    document.getElementById(obj).style.visibility="visible";
    }
    else if (document.all) { 
    document.all[obj].style.visibility="visible";
    }
}
function hidenavpop(obj) {
    if (document.getElementById) {
    document.getElementById(obj).style.visibility="hidden";
    }
    else if (document.all) {
    document.all[obj].style.visibility="hidden";
    }
}

//sign up for newsletter pop-up window script
function open_pop() {
	var screenw = screen.width;
    var screenh = screen.height;
    var popwidth = 400;
    var popheight = 400;
    var hcenter = (screenw-popwidth)/2.5;
    var vcenter = (screenh-popheight)/2.5;
pop = window.open("signup_form.php","signup",'toolbar=0,location=0,directories=0,status=0,copyhistory=0,scrollbars=1,resizable=1,width='+popwidth+',height='+popheight+',left='+hcenter+',top='+vcenter);
}


//reposition window
function position() {
    window.moveTo(0,0);
    window.resizeTo(780,550);
}

//-->