function Disp_cate(){
for(i=0;i<=num;i++){
document.write('');
document.write(' | ');
document.write('
');
document.write('');
document.write(' | ');
document.write(' | ');
document.write('');
document.write('
'); document.write('');
document.write(' | ');
document.write('
');
}
}