function contents(parameters)
{
	var ajax = (window.XMLHttpRequest) ? new XMLHttpRequest() : ( (window.ActiveXObject) ? new ActiveXObject("Msxml2.XMLHTTP") : null );
	var url = '';
	if( ajax != null )
	{
		ajax.open("POST" , url , true );
		ajax.onreadystatechange = function()
		{
			if( ajax.readyState == 4 )
			{
				//
			}
		}
	      ajax.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	      ajax.setRequestHeader("Content-length", parameters.length);
	      ajax.setRequestHeader("Connection", "close");
	      ajax.send(parameters);
	}
}