function popWindow( url, width, height, windowName )
{
	//get center coords
	var left = (screen.width - width) / 2;
    var top = (screen.height - height) / 2;
    
    win=window.open(url, windowName, 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=0,width=' + width + ',height=' + height + ',left=' + left + ',top=' + top);
}
function popScrollingWindow(url, width, height, windowName)
{
	//get center coords
	var left = (screen.width - width) / 2;
    var top = (screen.height - height) / 2;
    
    win=window.open(url, windowName, 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=0,width=' + width + ',height=' + height + ',left=' + left + ',top=' + top);
}
function openWindow(url)
{
    var rand = "_blank";
    win=window.open(url,rand,"directories=yes,location=yes,menubar=yes,scrollbars=yes,status=yes,toolbar=yes,resizable=yes");
}

function popSite()
{
    popWindow('detectflash.html', 778, 510, 'headofstate');
}

function popTrailer()
{
    popWindow('trailer/index.html',600,433,'trailerpop');
}

function popInterview(name)
{
    popWindow('interviews/index.html?movie='+name,550,363,'interviewpop');
}

function popSendCard(card)
{
    popWindow('ecards/sendcard.html?card=' + card, 550, 450, 'sendpostcard');
}

function popMixMastaDetect()
{
    popWindow('mixmastadetect.html',600,420,'mixmasta');
}

function popMixMasta()
{
    popWindow('mixmasta.html',600,420,'mixmasta');
}

function popdvd()
{
    popWindow('splash.html',800,420,'dvd');
}

function sendMixMasta(sourceEmail, targetEmail)
{
    if (checkEmailAddress(sourceEmail) && checkEmailAddress(targetEmail) )
    {
        popWindow('mixmasta_sendmail.php?sourceEmail='+sourceEmail+'&targetEmail='+targetEmail, 300, 200, 'mixmastasendmail')
    }
}

function goMain()
{
    window.location.replace("main.html");
}

function checkEmailAddress(email)
{
    if (email == "" || email.indexOf("@") == -1 || email.indexOf(".") == -1 || email.indexOf(" ") != -1)
    {
        alert(email + " is not a valid email address.  Please try again.");
        return false;
    }
    return true;
}