DocumentFunctionCall::DocumentFunctionCall(ProcessorState* ps, Document* xslDocument) : FunctionCall(DOCUMENT_FN)
DocumentFunctionCall::DocumentFunctionCall(ProcessorState* aPs) : FunctionCall(DOCUMENT_FN)
DocumentFunctionCall::DocumentFunctionCall(ProcessorState* ps, Document* xslDocument) : FunctionCall(DOCUMENT_FN){    this->processorState = ps;    this->xslDocument = xslDocument; //this is just untill we can get the actuall xsl tag} //-- DocumentFunctionCall