/* Show Hide Function */
function hide_show(id){
    if(document.getElementById(id)){
        var it = document.getElementById(id);
    }
   if(it.style.visibility != 'hidden'){
        it.style.display = 'none';
        it.style.visibility = 'hidden';
   }else{
        it.style.display = 'block';
        it.style.visibility = 'visible';
   }
}
/* End of Show Hide Function */