//funciones generales de administrador
function carga(id){
			xmlHttp = GetXmlHttpObject();
			if(xmlHttp == null){
				alert("Tu navegador no soporta AJAX");
				return;	
			}
			var url = "../controllers/administradorContenido.php?item="+id;
			xmlHttp.onreadystatechange = stateChanged;
			xmlHttp.open("GET", url, true);
			xmlHttp.send(null);
}

function stateChanged(){
	if((xmlHttp.readyState == 4)){
			ajustar();
			document.getElementById("centerPane").innerHTML = xmlHttp.responseText;	
	}	
}	
function GetXmlHttpObject(){
	var xmlHttp = null;
	try{
		xmlHttp = new XMLHttpRequest();	
	}catch(e){
				try{
					xmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
				}catch(e){
						xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");	
					}
	}
		return xmlHttp;
}