function showPopup(dlgId, targetId, url, width, height, checkName)
{
	if (checkName)
	{
		var ck = GetCookie(checkName);
		if (ck) return;
	}
	
	var dlg = $(dlgId);
	var target = $(targetId);
	var layout = { 'width': width, 'height': height };

	dlg.absolutize();
	dlg.setStyle(layout);

	var dlgDim = dlg.getDimensions();
	var docDim = document.viewport.getDimensions();
	
	target.setStyle(layout);
	target.src = url;

	if (dlgDim.width < docDim.width || dlgDim.height < docDim.height)
	{
		layout = { 'top': '0px', 'left': '0px', 'borderWidth': '3px', 'borderStyle': 'ridge' };
		layout.top = ((docDim.height - dlgDim.height) / 2) + 'px';
		layout.left = ((docDim.width - dlgDim.width) / 2) + 'px';
		dlg.setStyle(layout);
	}

	//dlg.show();
}