function toggle_search()
{
obj1=document.getElementById('membership-search');
obj1.style.display=!(obj1.style.display=="block")? "block" : "none";

img_plus="http://www.xuups.com/modules/membership/jscript/plus.gif";
img_minus="http://www.xuups.com/modules/membership/jscript/minus.gif";
obj=document.getElementById('swap');
obj.src=!(obj.src==img_minus)? img_minus : img_plus;
}