if(document.images)
{
next_off=new Image();
next_off.src="/daytime/Common/images/dt_ssflat_next_off.gif";
next_on=new Image();
next_on.src="/daytime/Common/images/dt_ssflat_next_over.gif";

back_off=new Image();
back_off.src="/daytime/Common/images/dt_ssflat_back_off.gif";
back_on=new Image();
back_on.src="/daytime/Common/images/dt_ssflat_back_over.gif";

}