don't try to call addImageRels if loadImageRels() result is falsy,

added zip.files fallback to "word/_rels/document.xml.rels",
added test for image replacement in header/footer

coffee/imgManager.coffee

@@ -22,7 +22,7 @@ module.exports = class ImgManager
 	hasImage:(fileName)->
 		@zip.files[fileName]?
 	loadImageRels: () ->
-		file=@zip.files["word/_rels/#{@endFileName}.xml.rels"]
+		file=@zip.files["word/_rels/#{@endFileName}.xml.rels"] || @zip.files["word/_rels/document.xml.rels"]
 		if file==undefined then return
 		content= DocUtils.decode_utf8 file.asText()
 		@xmlDoc= DocUtils.Str2xml content

coffee/index.coffee

@@ -53,9 +53,9 @@ class ImageModule
 			imgBuffer=@getImageFromData(imgData)
 		catch e
 			return @replaceBy(startEnd,tagXml)
-		rId=@imgManager
-			.loadImageRels()
-			.addImageRels(@getNextImageName(),imgBuffer)
+		imageRels=@imgManager.loadImageRels();
+		if imageRels
+			rId=imageRels.addImageRels(@getNextImageName(),imgBuffer)
 
 			sizePixel=@getSizeFromData(imgBuffer)
 			size=[@convertPixelsToEmus(sizePixel[0]),@convertPixelsToEmus(sizePixel[1])]

coffee/test.coffee

@@ -6,6 +6,7 @@ fileNames=[
 	'imageExample.docx',
 	'imageLoopExample.docx',
 	'imageInlineExample.docx',
+	'imageHeaderFooterExample.docx',
 	'qrExample.docx',
 	'noImage.docx',
 	'qrExample2.docx',
@@ -124,6 +125,51 @@ describe 'image adding with {% image} syntax', ()->
 		buffer=zip.generate({type:"nodebuffer"})
 		fs.writeFile("test_multi.docx",buffer);
 	
+	it 'should work with image in header/footer',()->
+		name='imageHeaderFooterExample.docx'
+		imageModule=new ImageModule({centered:false})
+		docX[name].attachModule(imageModule)
+		out=docX[name]
+			.load(docX[name].loadedContent)
+			.setData({image:'examples/image.png'})
+			.render()
+
+		zip=out.getZip()
+
+		imageFile=zip.files['word/media/image_generated_1.png']
+		expect(imageFile?).to.equal(true)
+		expect(imageFile.asText().length).to.equal(17417)
+
+		imageFile2=zip.files['word/media/image_generated_2.png']
+		expect(imageFile2?).to.equal(true)
+		expect(imageFile2.asText().length).to.equal(17417)
+
+		relsFile=zip.files['word/_rels/document.xml.rels']
+		expect(relsFile?).to.equal(true)
+		relsFileContent=relsFile.asText()
+		expect(relsFileContent).to.equal("""<?xml version="1.0" encoding="UTF-8"?>
+			<Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships"><Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/styles" Target="styles.xml"/><Relationship Id="rId2" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/header" Target="header1.xml"/><Relationship Id="rId3" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/footer" Target="footer1.xml"/><Relationship Id="rId4" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/fontTable" Target="fontTable.xml"/><Relationship Id="rId5" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/settings" Target="settings.xml"/>
+			</Relationships>""")
+
+		headerRelsFile=zip.files['word/_rels/header1.xml.rels']
+		expect(headerRelsFile?).to.equal(true)
+		headerRelsFileContent=headerRelsFile.asText()
+		expect(headerRelsFileContent).to.equal("""<?xml version="1.0" encoding="UTF-8"?><Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships"><Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/styles" Target="styles.xml"/><Relationship Id="rId2" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/header" Target="header1.xml"/><Relationship Id="rId3" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/footer" Target="footer1.xml"/><Relationship Id="rId4" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/fontTable" Target="fontTable.xml"/><Relationship Id="rId5" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/settings" Target="settings.xml"/>
+			<Relationship Id="rId6" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/image" Target="media/image_generated_2.png"/></Relationships>""")
+
+		footerRelsFile=zip.files['word/_rels/footer1.xml.rels']
+		expect(footerRelsFile?).to.equal(true)
+		footerRelsFileContent=footerRelsFile.asText()
+		expect(footerRelsFileContent).to.equal("""<?xml version="1.0" encoding="UTF-8"?><Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships"><Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/styles" Target="styles.xml"/><Relationship Id="rId2" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/header" Target="header1.xml"/><Relationship Id="rId3" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/footer" Target="footer1.xml"/><Relationship Id="rId4" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/fontTable" Target="fontTable.xml"/><Relationship Id="rId5" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/settings" Target="settings.xml"/>
+			<Relationship Id="rId6" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/image" Target="media/image_generated_1.png"/></Relationships>""")
+
+		documentFile=zip.files['word/document.xml']
+		expect(documentFile?).to.equal(true)
+		documentContent=documentFile.asText()
+		expect(documentContent).to.equal("""<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+			<w:document xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships" xmlns:v="urn:schemas-microsoft-com:vml" xmlns:w="http://schemas.openxmlformats.org/wordprocessingml/2006/main" xmlns:w10="urn:schemas-microsoft-com:office:word" xmlns:wp="http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawing"><w:body><w:p><w:pPr><w:pStyle w:val="Normal"/><w:rPr></w:rPr></w:pPr><w:r><w:rPr></w:rPr></w:r></w:p><w:sectPr><w:headerReference w:type="default" r:id="rId2"/><w:footerReference w:type="default" r:id="rId3"/><w:type w:val="nextPage"/><w:pgSz w:w="12240" w:h="15840"/><w:pgMar w:left="1800" w:right="1800" w:header="720" w:top="2810" w:footer="1440" w:bottom="2003" w:gutter="0"/><w:pgNumType w:fmt="decimal"/><w:formProt w:val="false"/><w:textDirection w:val="lrTb"/><w:docGrid w:type="default" w:linePitch="249" w:charSpace="2047"/></w:sectPr></w:body></w:document>""")
+
+		fs.writeFile("test_header_footer.docx",zip.generate({type:"nodebuffer"}));
 
 describe 'qrcode replacing',->
 	describe 'shoud work without loops',->