//Removes the given message board topic efficiently.
//argument0 - Topic index

if(global.mb_total[1] > argument0)
{

for(rq = argument0; rq < global.mb_total[1]; rq += 1)
{

global.mb_topic[rq,0] = global.mb_topic[rq+1,0];
global.mb_topic[rq,1] = global.mb_topic[rq+1,1];
global.mb_topic[rq,2] = global.mb_topic[rq+1,2];
for(mb = 0; mb < global.mb_topic[rq,1]; mb += 1)
{
global.mb_reply[rq,mb] = global.mb_reply[rq+1,mb]
}

}

global.mb_total[1] -= 1;

}