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nextoff=new Image();nextoff.src="picts/nextoff.gif"
backon=new Image();backon.src="picts/backon.gif"
backoff=new Image();backoff.src="picts/backoff.gif"
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function img_inact(imgName){if(document.images){imgOff=eval(imgName+"off.src");document[imgName].src=imgOff;}}