/**
  * global functions
  *
  */

function confirm_delete(message){
 return confirm ( message ? message : 'Are you sure you want to delete this item?');
}

function cm_over(obj,color){

    obj.style.backgroundColor = color ? color : '#DDDDDD';
}
function cm_out(obj,color){

    obj.style.backgroundColor  = color ? color: '';
}