function toggle_slide_main(target,exp_days){
  if ($("#"+target).is(":hidden")){
	  $("#"+target).show("slow");setCookie(target, "show", exp_days);
	  $("#"+target+'_ico').attr('src','http://img.ibtimes.com/www/site/us/images/icon_plus_main.gif');
  }else {
	  $("#"+target).slideUp();setCookie(target, "hide", exp_days);
	  $("#"+target+'_ico').attr('src','http://img.ibtimes.com/www/site/us/images/icon_minus_main.gif');
  }
}
function check_slide_main(target){
	if(getCookie(target)=="hide"){
		$("#"+target).hide();
		$("#"+target+'_ico').attr('src','http://img.ibtimes.com/www/site/us/images/icon_minus_main.gif');
	}else{
		$("#"+target).show();
		$("#"+target+'_ico').attr('src','http://img.ibtimes.com/www/site/us/images/icon_plus_main.gif');
	}
}