function left_menu(num){
if (num==0){
document.write(" ");
document.write(" ");
document.write("  |
");
document.write(" ");
document.write("  |
");
document.write("  |
");
document.write("  |
");
document.write(" ");
document.write(" ");
document.write("
");
}
else if (num==1){
document.write(" ");
document.write("  |
");
document.write(" |
");
document.write(" ");
document.write(" |
");
document.write(" |
");
document.write(" |
");
document.write(" ");
document.write(" ");
document.write("
");
}
else if(num==2){
document.write(" ");
document.write(" ");
document.write("  |
");
document.write(" ");
document.write(" |
");
document.write(" |
");
document.write(" |
");
document.write(" ");
document.write(" ");
document.write("
");
}
else if(num==3){
document.write(" ");
document.write(" ");
document.write(" |
");
document.write("  |
");
document.write(" |
");
document.write(" |
");
document.write(" |
");
document.write(" ");
document.write(" ");
document.write("
");
}
else if(num==4){
document.write(" ");
document.write(" ");
document.write(" |
");
document.write(" ");
document.write("  |
");
document.write(" |
");
document.write(" |
");
document.write(" ");
document.write(" ");
document.write("
");
}
else if(num==5){
document.write(" ");
document.write(" ");
document.write(" |
");
document.write(" ");
document.write(" |
");
document.write("  |
");
document.write(" |
");
document.write(" ");
document.write(" ");
document.write("
");
}
else if(num==6){
document.write(" ");
document.write(" ");
document.write(" |
");
document.write(" ");
document.write(" |
");
document.write(" |
");
document.write("  |
");
document.write(" ");
document.write(" ");
document.write("
");
}
else if(num==7){
document.write(" ");
document.write(" ");
document.write(" |
");
document.write(" ");
document.write(" |
");
document.write(" |
");
document.write(" |
");
document.write("  |
");
document.write(" ");
document.write("
");
}
else if(num==8){
document.write(" ");
document.write(" ");
document.write(" |
");
document.write(" ");
document.write(" |
");
document.write(" |
");
document.write(" |
");
document.write(" ");
document.write("  |
");
document.write("
");
}
}