function launch_modal(url,w,h){
	if (!w) w = 700;
	if (!h) h = 700;
	if (url) {
		$('#modal').empty();
		$('#modal').dialog({
			modal: true,
			width: w,
			height: h,
			position: 'center',
			overlay: {
				opacity: 0.2,
				background: '#000'
				}
		});
		$('#modal').load(url);
	} else {
		$('#modal').dialog({
			modal: true,
			width: w,
			height: h,
			position: 'center',
			overlay: {
				opacity: 0.2,
				background: '#000'
				}
		});
	}
	$('#modal').fadeIn('slow');
	
}

function launch_message(w,h){
	if (!w) w = 700;
	if (!h) h = 700;
	
	$('#message').dialog({
		modal: true,
		width: w,
		height: h,
		position: 'center',
		overlay: {
			opacity: 0.2,
			background: '#000'
			}
	});
	
	$('#message').fadeIn('slow',function(){});
	
}