Load the data in ajax

[eluser]htarahi[/eluser]
Hi every One
I want to load 4 tables that each specify with a selection box.
I mean I have below selection box for example.with select each ,Its table load in ajax.
<select>
<option value="table1">table1</option>
<option value="table2">table2</option>
<option value="table3">table3</option>
<option value="table4">table4</option>
</select>
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(table load here )