function showPage(page)
{
	var php = "model/GEKnives.php?action=show&page=" + page;
	
	var xmlHttp = new XmlHttpObject();
		xmlHttp.open('POST', php, true);
		xmlHttp.send(null);
	
		xmlHttp.onreadystatechange = function()
		{
			if(xmlHttp.readyState == 4) // request is complete
			{
				var container = document.getElementById("main");
				container.innerHTML = xmlHttp.responseText;
			}
		}
}