title: Formatting axis labels in lattice plot
body: <p>How can I change the y-axis labels format to usual (<code>xxx.xxx</code>) instead of scientific, in the following plot?</p>
  
  <pre><code>df &lt;- read.table(textConnection("
      ypogr_act  amount           cumSum
  2012-09-20     30.00              30.00
  2012-11-19   1834.69            1864.69
  2012-11-30   2915.88            4780.57
  2012-11-30   2214.98            6995.55
  2012-12-18  21815.00           28810.55
  2012-12-19 315000.00          343810.55
  2012-12-21   1050.00          344860.55
  2012-12-28   1300.00          346160.55
  2013-01-10   1836.77          347997.32
  2013-01-17 122193.00          470190.32
  2013-03-22 415000.00          885190.32
  ")-&gt;con,header=T);close(con)
  
  library(lattice)
  library(zoo)
  x &lt;- zoo(df[2:3], df$ypogr_act)
  
  win.graph(12,8)
  
  print( xyplot(x, lwd=2,xlab='Μήνας',
                col=c(rgb(127, 201, 127, max = 255),rgb(56, 108, 176, max = 255)),
                scales = list(y=list(rot = 0,abbreviate=FALSE)) ))
  trellis.focus("panel", 1, 1, highlight = F)
  panel.grid(h = -1, v = 0, col = "grey", lty = 3)
  trellis.unfocus()
  </code></pre>