var randnum=Math.floor(Math.random()*16);
if (randnum <= 1){
document.write('
');
} else if (randnum <= 2) {
document.write('
');
} else if (randnum <= 3) {
document.write('
');
} else if (randnum <= 4) {
document.write('
');
} else if (randnum <= 5) {
document.write('
');
} else if (randnum <= 6) {
document.write('
');
} else if (randnum <= 7) {
document.write('
');
} else if (randnum <= 8) {
document.write('
');
} else if (randnum <= 9) {
document.write('
');
} else if (randnum <= 10) {
document.write('
');
} else if (randnum <= 11) {
document.write('
');
} else if (randnum <= 12) {
document.write('
');
} else if (randnum <= 13) {
document.write('
');
} else if (randnum <= 14) {
document.write('
');
} else if (randnum <= 15) {
document.write('
');
} else if (randnum <= 16) {
document.write('
');
} else if (randnum <= 17) {
document.write('
');
} else if (randnum <= 18) {
document.write('
');
} else if (randnum <= 19) {
document.write('
');
} else {
document.write('
');
}