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validate file extension Delicious Email

a very simple function.

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   1  extensions = new Array(".jpg", ".png");
   2  function limitImage(file, extensions) {
   3  	allowed = false;
   4  	if (!file) return;
   5  
   6  	while (file.indexOf("\\") != -1)
   7  	file = file.slice(file.indexOf("\\") + 1);
   8  	ext = file.slice(file.indexOf(".")).toLowerCase();
   9  	for (var i = 0; i < extensions.length; i++) {
  10  		if (extensions[i] == ext) { allowed = true; break; }
  11  	}
  12  	return allowed;
  13  }
created by leozera — 13 November 2008 — get a short url — tags: javascript validate — embed