Class []args={String.class, Expression.class};
try {
Method installFunction=FunctionTable.class.getMethod("installFunction",args);
if ((installFunction.getModifiers() & Modifier.STATIC)!=0) {
//xalan 1.1
Object []params={"here",new FuncHere()};
installFunction.invoke(null, params );
} else {
log.warn("Xalan new, install function not installed.");
//TODO: Right now not a good way to install the function. Let see how this
//is resolv, latter in xalan.