PHP-hispano.net

//clase para el manejo de peticiones asincronas(Ajax)
var net=new Object();
net.READY_STATE_UNINITIALIZED=0;
net.READY_STATE_LOADING=1;
net.READY_STATE_LOADED=2;
net.READY_STATE_INTERACTIVE=3;
net.READY_STATE_COMPLETE=4;

net.ContentLoader = function (url,onload,onerror,method,params,contentType,headers,secure)
{
this.req=null;
this.onload=onload;
this.onerror=(onerror) ? onerror : this.defaultError;
this.secure=secure;
this.loadXMLDoc(url,method,params,contentType,headers);
}

net.ContentLoader.prototype =
{
loadXMLDoc: function(url,method,params,contentType,headers)
{
if (!method)
{
method=”GET”;
}
if (!contentType && method==”POST”)
{
contentType=’application/x-www-form-urlencoded’;
}
if (window.XMLHttpRequest)
{
this.req=new XMLHttpRequest();
}
else if (window.ActiveXObject)
{
this.req=new ActiveXObject(”Microsoft.XMLHTTP”);
}
if (this.req)
{
try
{
try
{
if (this.secure && netscape && netscape.security.PrivilegeManager.enablePrivilege)
{
netscape.security.PrivilegeManager.enablePrivilege(’UniversalBrowserRead’);
}
}
catch (err){}
this.req.open(method,url,true);
if (contentType)
{
this.req.setRequestHeader(’Content-Type’, contentType);
}
if (headers)
{
for (var h in headers)
{
this.req.setRequestHeader(h,headers[h]);
}
}
var loader=this;
this.req.onreadystatechange = function()
{
loader.onReadyState.call(loader);
}
this.req.send(params);
}
catch (err)
{
this.onerror.call(this);
}
}
},

onReadyState: function()
{
var req=this.req;
var ready=req.readyState;
if (ready==net.READY_STATE_COMPLETE)
{
var httpStatus=req.status;
if (httpStatus==200 || httpStatus==0)
{
try
{
if (this.secure && netscape && netscape.security.PrivilegeManager.enablePrivilege)
{
netscape.security.PrivilegeManager.enablePrivilege(’UniversalBrowserRead’);
}
}
catch (err){}
this.onload.call(this);
}
else
{
this.onerror.call(this);
}
}
},

defaultError: function()
{
alert(”Error al obtener los datos!\\nIntente generar de nuevo su busqueda.”);
/*alert( ”Error al obtener los datos!”
+”\\n\\nreadyState:”+this.req.readyState
+”\\nstatus: “+this.req.status
+”\\nheaders: “+this.req.getAllResponseHeaders()
);
*/
}
}

function getInformation()
{
document.getElementById(’response’).innerHTML = “<div align=’center’>Cargando datos…</div>”;
var url = ‘myOtherPage.html’;
var params = “id=”+id+”&othervar=”+othervar;
var agentes = new net.ContentLoader(url,CreateScript,params,”POST”,null);
}

var obj=(function(){
//métodos privados
var metodosPrivados={
//definición de métodos privados
}
return {
//definición de métodos públicos
}
})()

function addLoadEvent(func) {
var oldonload = window.onload;
if (typeof window.onload != \'function\') {
window.onload = func;
} else {
window.onload = function() {
if (oldonload) {
oldonload();
}
func();
}
}
}
addLoadEvent(cargar_busqueda);
addLoadEvent(cargar_informacion);