function main()
{
document.write('\n');
}
function map(){
document.write('\n');
}
function nav_bar(){
document.write(' \n');
}
function animation(){
document.write('\n');
}
function bot_plain(){
document.write('\n');
}
function left_top(){
document.write('\n');
}
function nav_bar_int(){
document.write(' \n');
}