function openwindow(file){
	url = file;
	var hWnd = window.open(url,"openwindow","left=100,top=100,width=640,height=480,resizable=no,scrollbars=no");
    if (!hWnd.opener) hWnd.opener = self;
	if (hWnd.focus != null) hWnd.focus();
}

function mediaOpen(file) {
	url = file;
	var hWnd =window.open(url,"videowin","top=200,left=200,toolbar=no,directories=no,menu=no,location=no,scrollbars=no,width=320,height=300"); 
    if (!hWnd.opener) hWnd.opener = self;
	if (hWnd.focus != null) hWnd.focus();
}