helpvideowindow = "";
function viewHelpVideo(vid) {
	//alert(ex);
	if (!helpvideowindow.closed && helpvideowindow.location){
		helpvideowindow.location.href = 'videopopup.php?vwidth=640&vheight=360&videofile='+vid;
		if (window.focus) {
			helpvideowindow.focus();
		}
	} else {
		helpvideowindow = window.open('videopopup.php?vwidth=640&vheight=360&videofile='+vid,'','scrollbars=no,width=640,height=360,resizable=yes');
		if (!helpvideowindow.opener) {
			helpvideowindow.opener = self;
		}
		if (window.focus) {
			helpvideowindow.focus();
		}
	}
}