var lastWin

function PopupScreenCentre(url,name,width,height,scrollbars) 
{
	var titleBarHeight, windowBorderWidth
	titleBarHeight = 24
	windowBorderWidth = 4

	var screenWidth, screenHeight
	screenWidth = 800
	screenHeight = 600

	if (window.screen) 
	{
		if (window.screen.availWidth) 
		{
			// ok browser has the appropriate properties we need to centre it
			screenWidth = window.screen.availWidth
			screenHeight = window.screen.availHeight
		}
	}

	var windowWidth = windowBorderWidth + width + windowBorderWidth
	var windowHeight = titleBarHeight + height + windowBorderWidth

	var left = (screenWidth - windowWidth) / 2
	var top = (screenHeight - windowHeight) / 2

	if(lastWin&&!lastWin.closed)
	{
		lastWin.close()
	}
	lastWin = window.open(url,name,'left='+left+',top='+top+',screenX='+left+',screenY='+top+',width='+width+',height='+height+',scrollbars='+scrollbars+',resizable=0,toolbar=0,location=0,directories=0,status=0,menubar=0,copyhistory=0')
}


function PauseMainVideo() {
    getMovieName('carouselscreen').callPauseVideo();
}

function NextPreview() {
    getMovieName('carousel').callNextPreview();
}

function ChangeVideo(videoUrl, imageURL) {
    getMovieName('carouselscreen').callChangeVideo(videoUrl, imageURL)
}
/*
function StopAutoPlay() {
    alert("function StopAutoPlay()")
    getMovieName('carouselscreen').callStopAutoPlay();
}
*/

function getMovieName(movieName) {
    if (navigator.appName.indexOf('Microsoft') != -1) {
        return window[movieName]
    } else {
        return document[movieName]
    }
}
