Here I have created sample that will help you out.It is working in all the browser.
HTML
<div>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script>
<script type="text/javascript">
$(function () {
$("[id$='Button1']").bind('click', function () {
alert('Button 1 Clicked');
//do your stuff.
return false;
});
});
function GetCustDtls() {
$("[id$='Button1']").trigger('click');
}
</script>
<asp:Button ID="Button1" OnClick="Button1_Click" runat="server" Text="Button" />
</div>
Screenshot
