How to make Cross browser compatible html page?

Hi,

I am using javascript code to insert and delete row in table of html page that is working in IE6. But when i use the same code for Firefox and opera browser it does not work.

It is actually a web page which i want to be cross browser compatible.

How to make this cross browser compatible?

The code is for deleting rows is as follows:

function Drow()
{
var s1;
s1=document.getElementById(‘a1’);

if (s1)
{
document.getElementById(‘tbl’).deleteRow(1);
}
}

‘a1’ is a cell of table and ‘tbl’ is a id of table.

Now i want to delete row of ‘tbl’

I am inserting row using following code:

x=document.getElementById(‘tbl’).insertRow(len);

This code is not working in opera and Firefox browser.

Please help me with this. ?

Thanks in advance

charlie

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