anchor tag losses focus

Hi I am using jqury for my java script .

here my simple jquery

[CODE]
$(document).ready(function(){
$(“a.showHidePrograms”).live(‘click’, function(){
var $div= $(this).parent().next(“div”);
if($div.attr(“class”) == ‘hide’){
$div.attr(“class”,”show”);
}else{
$div.attr(“class”,”hide”);
}
$(this).focus();
});
});

[/CODE]

this just changes the class for the div element.

The problem is everytime I click on this link the browser goes to the top.
I mean If my page has vertical scroll bar ,and I pulled down the vertical scroll bar to see the bottom row of the table or I am at the last row , there if I click this link the browser goes to top again , what I want is if I click on the link I donot want browser to change it focus , please help me with this.

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