<input type='text' id='s"+i+"' name='shuliang' onkeypress='vbscript:checkkey()' size='6'></td><td width='65' height='50'><input type=text Name='danjia' id='dj"+i+"' size='5' onkeypress='vbscript:checkkey()' style='width: 47; height: 22'>t=parseFloat(eval("s"+num).value)*parseFloat(eval("dj"+num).value
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