i m using this script to expand a DIV

Code:
function ShowDiv(Div-id) {
if (false == jQuery(Div-id).is(':visible')) {
jQuery(Div-id).show(250);
}
else {
jQuery(Div-id).hide(250);
}
}

//and the link is like this

onclick="ShowDiv(Div-1)"

onclick="ShowDiv(Div-2)"
on firefox giveme...