function nuevoAjax(){
	var xmlhttp=false;
 	try 
	{
 		xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
 	} catch (e) {
 		try {
 			xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
 		} catch (E) {
 			xmlhttp = false;
 		}
  	}

	if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
 		xmlhttp = new XMLHttpRequest();
	}
	return xmlhttp;
}

function loadContents(filename)
{
	var contenedor;
	contenedor = document.getElementById('content');
	ajax=nuevoAjax();
	ajax.open("GET", filename,true);
	ajax.onreadystatechange=function() 
	{
		if (ajax.readyState==4) 
		{
			contenedor.innerHTML = ajax.responseText
		}
	}
	 ajax.send(null)
}
window.onload= function(){loadContents("home.php")}
//window.onload= function(){loadContents("projects.php")}