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		srcArray = src.split('/');
		originalFileName = srcArray.pop();
		originalPath = srcArray.join('/');
		
		fileArray = originalFileName.split('.');
		fileName = fileArray[0];
		fileType = fileArray[fileArray.length-1];

		fileNameArray = fileName.split('_');
		if (fileNameArray[fileNameArray.length-1]==ext) {
			fileNameArray.pop();
		} else {
			fileNameArray.push(ext);
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		fileName = fileNameArray.join('_');
		newSrc = originalPath+'/'+fileName+'.'+fileType;

		img.src = newSrc;
		//window.alert(newSrc);
		return false;
	}

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	window.onload = externalLinks;
	
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