fieldValuesList = [['in_13', '2'],['in_136', '1'],['in_137', '1'],['in_214', '1']]; 
for (i = 0; i < document.nameform.elements.length; i++)
{
el_name = document.nameform.elements[i].name;
for(j = 0; j < fieldValuesList.length; j++)
{
if(el_name == fieldValuesList[j][0])
{   
document.nameform.elements[i].value = fieldValuesList[j][1]; 
}
}
}