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<HTML>
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<SCRIPT LANGUAGE="JScript">
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function numberCells()
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{
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var count=0;
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for (i=0; i < document.all.mytable.rows.length; i++)
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{
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for (j=0; j < document.all.mytable.rows(i).cells.length; j++)
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{
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document.all.mytable.rows(i).cells(j).innerText = count;
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count++;
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}
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}
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}
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function tb_addnew()
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{
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var
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ls_t=document.all("mytable")
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maxcell=ls_t.rows(0).cells.length;
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mynewrow = ls_t.insertRow();
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for(i=0;i<maxcell;i++)
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{
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mynewcell=mynewrow.insertCell();
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mynewcell.innerText="a"+i;
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}
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}
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function tb_delete()
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{
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var ls_t=document.all("mytable");
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maxcell=ls_t.rows.length;
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if(maxcell > 1)
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{
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ls_t.deleteRow() ;
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}
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}
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</SCRIPT>
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<BODY onload="numberCells()">
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<TABLE id=mytable border=1>
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<TR><TH> </TH><TH> </TH><TH> </TH><TH> </TH></TR>
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<TR><TD> </TD><TD> </TD><TD> </TD><TD> </TD></TR>
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<TR><TD> </TD><TD> </TD><TD> </TD><TD> </TD></TR>
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</TABLE>
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<input type=button value="Ins Row" onclick="tb_addnew()">
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<input type=button value="Del Row" onclick="tb_delete()" >
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</BODY>
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</HTML>
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<HTML>2
<SCRIPT LANGUAGE="JScript"> 3
function numberCells() 4
{5
var count=0;6
for (i=0; i < document.all.mytable.rows.length; i++)7
{8
for (j=0; j < document.all.mytable.rows(i).cells.length; j++) 9
{10
document.all.mytable.rows(i).cells(j).innerText = count;11
count++;12
}13
}14
}15

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function tb_addnew()17
{18
var19
ls_t=document.all("mytable")20
maxcell=ls_t.rows(0).cells.length;21
mynewrow = ls_t.insertRow();22

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for(i=0;i<maxcell;i++)24
{25
mynewcell=mynewrow.insertCell();26
mynewcell.innerText="a"+i;27

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}29
}30

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function tb_delete()32
{33
var ls_t=document.all("mytable");34
maxcell=ls_t.rows.length;35

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if(maxcell > 1)37
{38
ls_t.deleteRow() ;39
}40
}41

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</SCRIPT>43
<BODY onload="numberCells()">44
<TABLE id=mytable border=1>45
<TR><TH> </TH><TH> </TH><TH> </TH><TH> </TH></TR>46
<TR><TD> </TD><TD> </TD><TD> </TD><TD> </TD></TR>47
<TR><TD> </TD><TD> </TD><TD> </TD><TD> </TD></TR>48
</TABLE>49
<input type=button value="Ins Row" onclick="tb_addnew()">50
<input type=button value="Del Row" onclick="tb_delete()" >51
</BODY>52
</HTML> 53
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55

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