function on_op_a(n){
eval("document.getElementById('text_op_a"+n+"').style.display='block';");
eval("document.getElementById('offtext_op_a"+n+"').style.display='block';");
eval("document.getElementById('text_op_b"+n+"').style.display='none';");
eval("document.getElementById('text_op_c"+n+"').style.display='none';");
eval("document.getElementById('text_op_d"+n+"').style.display='none';");
eval("document.getElementById('text_op_e"+n+"').style.display='none';");
eval("document.getElementById('text_op_f"+n+"').style.display='none';");
eval("document.getElementById('text_op_k"+n+"').style.display='none';");
eval("document.getElementById('text_op_l"+n+"').style.display='none';");
eval("document.getElementById('text_op_m"+n+"').style.display='none';");
}
function on_op_b(n){
eval("document.getElementById('text_op_b"+n+"').style.display='block';");
eval("document.getElementById('offtext_op_b"+n+"').style.display='block';");
eval("document.getElementById('text_op_a"+n+"').style.display='none';");
eval("document.getElementById('text_op_c"+n+"').style.display='none';");
eval("document.getElementById('text_op_d"+n+"').style.display='none';");
eval("document.getElementById('text_op_e"+n+"').style.display='none';");
eval("document.getElementById('text_op_f"+n+"').style.display='none';");
eval("document.getElementById('text_op_k"+n+"').style.display='none';");
eval("document.getElementById('text_op_l"+n+"').style.display='none';");
eval("document.getElementById('text_op_m"+n+"').style.display='none';");
}
function on_op_c(n){
eval("document.getElementById('text_op_c"+n+"').style.display='block';");
eval("document.getElementById('offtext_op_c"+n+"').style.display='block';");
eval("document.getElementById('text_op_a"+n+"').style.display='none';");
eval("document.getElementById('text_op_b"+n+"').style.display='none';");
eval("document.getElementById('text_op_d"+n+"').style.display='none';");
eval("document.getElementById('text_op_e"+n+"').style.display='none';");
eval("document.getElementById('text_op_f"+n+"').style.display='none';");
eval("document.getElementById('text_op_k"+n+"').style.display='none';");
eval("document.getElementById('text_op_l"+n+"').style.display='none';");
eval("document.getElementById('text_op_m"+n+"').style.display='none';");
}
function on_op_d(n){
eval("document.getElementById('text_op_d"+n+"').style.display='block';");
eval("document.getElementById('text_op_b"+n+"').style.display='none';");
eval("document.getElementById('text_op_c"+n+"').style.display='none';");
eval("document.getElementById('text_op_e"+n+"').style.display='none';");
eval("document.getElementById('text_op_f"+n+"').style.display='none';");
eval("document.getElementById('text_op_k"+n+"').style.display='none';");
eval("document.getElementById('text_op_l"+n+"').style.display='none';");
eval("document.getElementById('text_op_m"+n+"').style.display='none';");
}
function on_op_e(n){
eval("document.getElementById('text_op_e"+n+"').style.display='block';");
eval("document.getElementById('text_op_b"+n+"').style.display='none';");
eval("document.getElementById('text_op_c"+n+"').style.display='none';");
eval("document.getElementById('text_op_d"+n+"').style.display='none';");
eval("document.getElementById('text_op_f"+n+"').style.display='none';");
eval("document.getElementById('text_op_k"+n+"').style.display='none';");
eval("document.getElementById('text_op_l"+n+"').style.display='none';");
eval("document.getElementById('text_op_m"+n+"').style.display='none';");
}
function on_op_f(n){
eval("document.getElementById('text_op_f"+n+"').style.display='block';");
eval("document.getElementById('text_op_c"+n+"').style.display='none';");
eval("document.getElementById('text_op_d"+n+"').style.display='none';");
eval("document.getElementById('text_op_a"+n+"').style.display='none';");
eval("document.getElementById('text_op_k"+n+"').style.display='none';");
eval("document.getElementById('text_op_l"+n+"').style.display='none';");
eval("document.getElementById('text_op_m"+n+"').style.display='none';");
}
function on_op_k(n){
eval("document.getElementById('text_op_k"+n+"').style.display='block';");
eval("document.getElementById('text_op_c"+n+"').style.display='none';");
eval("document.getElementById('text_op_d"+n+"').style.display='none';");
eval("document.getElementById('text_op_f"+n+"').style.display='none';");
eval("document.getElementById('text_op_a"+n+"').style.display='none';");
eval("document.getElementById('text_op_l"+n+"').style.display='none';");
eval("document.getElementById('text_op_m"+n+"').style.display='none';");
}
function on_op_l(n){
eval("document.getElementById('text_op_l"+n+"').style.display='block';");
eval("document.getElementById('text_op_b"+n+"').style.display='none';");
eval("document.getElementById('text_op_d"+n+"').style.display='none';");
eval("document.getElementById('text_op_f"+n+"').style.display='none';");
eval("document.getElementById('text_op_k"+n+"').style.display='none';");
eval("document.getElementById('text_op_a"+n+"').style.display='none';");
eval("document.getElementById('text_op_m"+n+"').style.display='none';");
}
function on_op_m(n){
eval("document.getElementById('text_op_m"+n+"').style.display='block';");
eval("document.getElementById('text_op_b"+n+"').style.display='none';");
eval("document.getElementById('text_op_d"+n+"').style.display='none';");
eval("document.getElementById('text_op_f"+n+"').style.display='none';");
eval("document.getElementById('text_op_k"+n+"').style.display='none';");
eval("document.getElementById('text_op_l"+n+"').style.display='none';");
eval("document.getElementById('text_op_a"+n+"').style.display='none';");
}
function off_op(n){
eval("document.getElementById('text_op_a"+n+"').style.display='none';");
eval("document.getElementById('text_op_b"+n+"').style.display='none';");
eval("document.getElementById('text_op_c"+n+"').style.display='none';");
eval("document.getElementById('text_op_d"+n+"').style.display='none';");
eval("document.getElementById('text_op_e"+n+"').style.display='none';");
eval("document.getElementById('text_op_f"+n+"').style.display='none';");
eval("document.getElementById('text_op_k"+n+"').style.display='none';");
eval("document.getElementById('text_op_l"+n+"').style.display='none';");
eval("document.getElementById('text_op_m"+n+"').style.display='none';");
eval("document.getElementById('offtext_op_a"+n+"').style.display='none';");
eval("document.getElementById('offtext_op_b"+n+"').style.display='none';");
eval("document.getElementById('offtext_op_c"+n+"').style.display='none';");
eval("document.getElementById('offtext_op_d"+n+"').style.display='none';");
eval("document.getElementById('offtext_op_e"+n+"').style.display='none';");
eval("document.getElementById('offtext_op_f"+n+"').style.display='none';");
eval("document.getElementById('offtext_op_k"+n+"').style.display='none';");
eval("document.getElementById('offtext_op_l"+n+"').style.display='none';");
eval("document.getElementById('offtext_op_m"+n+"').style.display='none';");
}