filling XML values from JS

var XFormBXMLClone = cordys.cloneXMLDocument(UpdtNode.XMLDocument);

var FCID = cordys.getNodeText(tuples[i],".//*[local-name()='FACILITY_COLUMN_ID']","","")

cordys.setNodeText(XFormBXMLClone,".//*[local-name()='FACILITY_COLUMN_ID']",FCID,"");

cordys.setNodeText(XFormBXMLClone,".//*[local-name()='CAM_ID']",camId,"");

var columnNumber = parseInt(cordys.getNodeText(tuples[i],".//*[local-name()='COLUMN_NUMBER']","",""));

var pos = parseInt(cordys.getNodeText(tuples[i],".//*[local-name()='SEQUENCE_NUMBER']","",""));

var inputField = eval("input"+columnNumber)[pos-1];

cordys.setNodeText(XFormBXMLClone,".//*[local-name()='VALUE']",inputField.getValue(),"");