function open_wnd(url, width, height)
{
	wx = (screen.availWidth - width)/2;
	wy = (screen.availHeight - height)/2;

	wnd=window.open(url, "_blank", "width="+width+",height="+height+",status=no,resizable=0,scrollbars=0,toolbar=no,menubar=no,left="+wx+",top="+wy);

	return false;
}


function open_wnd_scroller(url, width, height)
{
	wx = (screen.availWidth - width)/2;
	wy = (screen.availHeight - height)/2;

	wnd=window.open(url, "_blank", "width="+width+",height="+height+",status=no,resizable=0,scrollbars=yes,toolbar=no,menubar=no,left="+wx+",top="+wy);

	return false;
}


function open_jpg_wnd(url, width, height)
{
	width = parseInt(width) + 20;
	height = parseInt(height) + 30;

	var wx = (screen.availWidth - width)/2;
	var wy = (screen.availHeight - height)/2;

	wnd = window.open(url, "_blank", "width="+width+",height="+height+",status=no,resizable=0,scrollbars=0,toolbar=no,menubar=no,left="+wx+",top="+wy);

	return false;
}