function showDialog(title, dialogUrl, height, width) {
	if (height==null || height=="") {
		height=600;
	}
	if (width==null || width=="") {
		width=800;
	}
	jQuery("#partsPopupContentFrame").attr("src", dialogUrl);
	jQuery("#partsPopup")
	   .dialog('option', 'height', height)
	   .dialog('option', 'width', width)
	   .dialog('option', 'title', title);
	
	jQuery("#partsPopup").dialog('open');
}