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 eliminaEspacios(cadena){if(cadena != ""){var sinesp = cadena;var re = /\s/g;if(cadena.search(re) != -1){sinesp = cadena.replace(re,"");}var cadena = sinesp;return cadena;}}function validaIngreso(valor){return true;}