adjunto el código otra vez:
Código Javascript
:
Ver originalmi_ventana=window.open('', nombreVentana, atributos);
document.getElementById('nuFactura').value=nuFactura;
document.getElementById('url').value=url;
document.getElementById('fxEmision').value=fxEmision;
var strVar="";
mi_ventana.document.open("replace","html");
strVar += "<!DOCTYPE html>";
strVar += "<html xmlns:c="http:\/\/java.sun.com\/jsp\/jstl\/core">";
//strVar += "xmlns:tiles="http:\/\/tiles.apache.org\/tags-tiles" xmlns:form='http:\/\/www.springframework.org\/tags\/form'";
//strVar += "xmlns:spring="http:\/\/www.springframework.org\/tags" xmlns:maui="urn:jsptagdir:\/WEB-INF\/tags">";
strVar += "<maui:head>";
strVar += "<meta charset=\"utf-8\" \/>";
strVar += "<title>'Detalle Factura' ";
strVar += "<\/title>";
//strVar += "<c:set var="contextPath" value="${pageContext.servletContext.contextPath}"\/>";
//strVar += "<script src="${contextPath}\/static\/js\/funciones.js" type=\"text\/javascript"><\/script>";
//strVar += "<script src="${contextPath}/static/js/jquery-1.4.min.js" type="text\/javascript"><\/script>";
//strVar += "<script src="${contextPath}/static/js/commons.js" type="text\/javascript"><\/script>";
//strVar += "<script src="${contextPath}/static/js/ctiFramePrincipal.js" type="text\/javascript" ><\/script>";
//strVar += "<script src="${contextPath}/static/js/blockEvents.js" type="text\/javascript"><\/script>";
strVar += "<script type=\"text\/javascript\">";
strVar += "function prueba(){";
//strVar += "alert("${contextPath}");";
strVar += "var url=window.opener.formTabla.url.value;";
strVar += "var nuFactura=window.opener.formTabla.nuFactura.value;";
strVar += "var fxEmision=window.opener.formTabla.fxEmision.value;";
strVar += "alert(url);";
strVar += "var objSeg= {'nuFactura' : nuFactura,";
strVar += "'fxEmision' : fxEmision};";
strVar += "}";
strVar += "function detalleFacturaFija(objeto){";
strVar += "}";
strVar += "function ErrordetalleFacturaFija(objeto){";
strVar += "}";
strVar += "<\/script>";
strVar += "<\/maui:head>";
strVar += "<body onload=prueba()>";
//strVar += "<body>";
strVar += "<\/body>";
strVar += "<\/html>";
mi_ventana.document.write(strVar);