var mark_tr_bg_on = new Array(); 
mark_tr_bg_on[0] = new Array("#8FD0FC"); 
mark_tr_bg_on[1] = new Array("#8FD0FC"); 

var mark_tr_bg_off = new Array(); 
mark_tr_bg_off[0] = new Array("#DEF1FE"); 
mark_tr_bg_off[1] = new Array("#FFFFFF"); 


function mark_turn_on(obj1,id)
{
   obj1.style.background=mark_tr_bg_on[id];
}
function mark_turn_off(obj1,id)
{
   obj1.style.background=mark_tr_bg_off[id];
}