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2 {
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6 {
7 var chk = tb.rows[i].firstChild.firstChild;
8 alert(chk == event.srcElement);
9 if(chk != event.srcElement)
10 { chk.checked = false;}
11 }
12 }
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7 {
8 var chk = tb.rows[i].cells[j].firstChild;
9 if(chk!= null && chk != event.srcElement)  
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