txtRoot.innerHTML='[ No Roots ]';levelwordbank.innerHTML='[ Wordbank empty ]';level_description.innerHTML='[ --]';var k=0; while(k<=obj_level.length+1){obj_level.options[k]=null;obj_level.remove(k); k++;}var k=0; while(k<=obj_level.length+1){obj_level.remove(k); k++;} obj_level.options[0] = new Option('-Select Level-','0','','');