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<td onclick='change_box("66FF33")' onmouseover='fade_on_css("66FF33")'  style='background-color:#66FF33; width:20px; height:20px;'/>
<td onclick='change_box("66FF66")' onmouseover='fade_on_css("66FF66")'  style='background-color:#66FF66; width:20px; height:20px;'/>
<td onclick='change_box("66FF99")' onmouseover='fade_on_css("66FF99")'  style='background-color:#66FF99; width:20px; height:20px;'/>
<td onclick='change_box("66FFCC")' onmouseover='fade_on_css("66FFCC")'  style='background-color:#66FFCC; width:20px; height:20px;'/>
<td onclick='change_box("66FFFF")' onmouseover='fade_on_css("66FFFF")'  style='background-color:#66FFFF; width:20px; height:20px;'/>