var ie4 = (document.all) ? true : false;
var ns4 = (document.layers) ? true : false;
var ns6 = (document.getElementById && !document.all) ? true : false;

function leerDatosx(){
  if (oXML1.readyState == 4) {
  	 document.getElementById('text').innerHTML = oXML1.responseText; 
   }
}

function AJAXCrearObjetox(){
var obj;
if(window.XMLHttpRequest) { // no es IE
obj = new XMLHttpRequest();
} else { // Es IE o no tiene el objeto
try {
obj = new ActiveXObject("Microsoft.XMLHTTP");
}
catch (e) {
alert('El navegador utilizado no está soportado');
}
}
return obj;
}

function ven(nom){
//document.location.reload();
if (ie4) {document.all['newlayer'].style.visibility = "visible";}
if (ns4) {document.layers['newlayer'].visibility = "show";}
if (ns6) {document.getElementById(['newlayer']).style.display = "block";}
//document.getElementById('estilos').href=['03_oferta.css'];
var htm=[nom]+'.html';
//var ar=[txt]+'_det'+'.jpg';
oXML1 = AJAXCrearObjetox();
oXML1.open('get',[htm]);
oXML1.onreadystatechange = leerDatosx;
document.getElementById('newlayer').className=[nom];
oXML1.send('');
//document.getElementById('foto').innerHTML = ("<IMG SRC="../+ar+">");
}

function venphp(nom){
//document.location.reload();
if (ie4) {document.all['newlayer'].style.visibility = "visible";}
if (ns4) {document.layers['newlayer'].visibility = "show";}
if (ns6) {document.getElementById(['newlayer']).style.display = "block";}
//document.getElementById('estilos').href=['03_oferta.css'];
var htm=[nom]+'.php';
//var ar=[txt]+'_det'+'.jpg';
oXML1 = AJAXCrearObjetox();
oXML1.open('get',[htm]);
oXML1.onreadystatechange = leerDatosx;
document.getElementById('newlayer').className=['bolsaempleo'];
oXML1.send('');
//document.getElementById('foto').innerHTML = ("<IMG SRC="../+ar+">");
}