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[XSL-LIST Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] check for existance of an element in the xml
 I would to check for the existance of an element, and act upon it, rather than act everytime the element is matched. What i mean is I have xml that describes how a web page looks, and an xsl that transforms that to html and javascript. For example, i may have this : <page> <groupbox x="10" y="10"> <text value="Blaa Blaa" x="10" y="10"/> <input x="10" y="20" name="foo"/> </groupbox> <groupbox x="10" y="30"> <text value="Something Else" x="10" y="10"/> <input x="10" y="20" name="bar"/> </groupbox> <input x="10" y="50" name="gle"/> </page> The issue is that at the moment i have some javascript that operates on the input fields, so I am including it everytime I produce a page, but I want to only include it iff the xml has at least one <input .../> element. This is of course simplified, the real xml and the html it produces is a lot more complicated, some of the html pages produced are getting fairly large :) The xsl root match is where i am including all the various javascript files. Here is a simplified version of my xslt, for those who dont do html : <?xml version="1.0"?> <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> <xsl:output method="html"/> <xsl:template match="/"> <html> <head> <script language="JavaScript" src="Shared/Javascript/validate.js"></script> </head> <body> <xsl:apply-templates/> </body> </html> </xsl:template> <xsl:template match="input"> <!-- input field code goes here --> </xsl:template> . . . </xsl:stylesheet> I only want that <script language="JavaScript" src="Shared/Javascript/validate.js"></script> part to appear once in the resulting html iff the xml i am processing has at least one <input..../> element. I figure i can parse the xml twice, but i cant work out how i would only match unique elements the first time :) What sort of thing should i be googleing for in order to solve this problem, it seems like the sort of thing people would want to do.... Jake 
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