38 lines
1.2 KiB
JavaScript
38 lines
1.2 KiB
JavaScript
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function previewImage(fileInfo) {
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var filename = '';
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//create the path to your local file
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if (fileInfo == null) {
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if (document.form1.file != "") {
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filename = "file:///" + document.form1.file.value;
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}
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} else {
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filename = fileInfo;
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}
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//check if there is a value
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if (filename == '') {
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alert ("Please select a image.");
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document.form1.file.focus();
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} else {
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//create the popup
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popup = window.open('','imagePreview','width=640,height=100,left=100,top=75,screenX=100,screenY=75,scrollbars,location,menubar,status=0,toolbar=0,resizable=1');
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//start writing in the html code
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popup.document.writeln("<html><body bgcolor='#FFFFFF'>");
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//get the extension of the file to see if it has one of the image extensions
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var fileExtension = filename.substring(filename.lastIndexOf(".")+1);
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if (fileExtension == "jpg" || fileExtension == "jpeg" || fileExtension == "gif" || fileExtension == "png")
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popup.document.writeln("<img src='" + filename + "'/>");
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else
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//if not extension fron list above write URL to file
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popup.document.writeln("<a href='" + filename + "'>" + filename + "</a>");
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popup.document.writeln("</body></html>");
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popup.document.close();
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popup.focus();
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}
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}
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