var interval = null;

function start_new_year_window()

	{

		if (document.getElementById('congret'))

		{

		document.getElementById('congret').style.display='block';

		interval = setInterval("start_open()",1);

		}

	}

	

function start_open()

	{

		document.getElementById('congret').width = eval(document.getElementById('congret').width) + 4;

		document.getElementById('congret').height = eval(document.getElementById('congret').height) + 3;

		if (document.getElementById('congret').width == 640 || document.getElementById('congret').height == 480){

		clearInterval(interval);

		var pause = setTimeout("close_window()", 5000);

		}

	}

	

function start_close()

	{

		document.getElementById('congret').width = eval(document.getElementById('congret').width) - 4;

		document.getElementById('congret').height = eval(document.getElementById('congret').height) - 3;

		if (document.getElementById('congret').width == 4){

		clearInterval(interval);

		document.getElementById('congret').style.display='none';

		}

	}

	

function close_window()

	{

		clearInterval(interval);

		interval = setInterval("start_close()",1);

	}