var imga0 = "pics/prar/pra0.jpg"
 var imga1 = "pics/prar/pra1.jpg"
 var imga2 = "pics/prar/pra2.jpg"
 var imga3 = "pics/prar/pra3.jpg"
 var imga4 = "pics/prar/pra4.jpg"
 var imga5 = "pics/prar/pra5.jpg"
 var imga6 = "pics/prar/pra6.jpg"
 var imga7 = "pics/prar/pra7.jpg"
 var imga8 = "pics/prar/pra8.jpg"
 var imga9 = "pics/prar/pra9.jpg"
 var imga10 = "pics/prar/pra10.jpg"
 var imga11 = "pics/prar/pra11.jpg"
 var imga12 = "pics/prar/pra12.jpg"
 var imga13 = "pics/prar/pra13.jpg"
 var imga14 = "pics/prar/pra14.jpg"
 var imga15 = "pics/prar/pra15.jpg"
 var imga16 = "pics/prar/pra16.jpg"
 var imga17 = "pics/prar/pra17.jpg"
 var imga18 = "pics/prar/pra18.jpg"
 var imga19 = "pics/prar/pra19.jpg"
 var imga20 = "pics/prar/pra20.jpg"
 var imga21 = "pics/prar/pra21.jpg"
 var imga22 = "pics/prar/pra22.jpg"
 var imga23 = "pics/prar/pra23.jpg"
 var imga24 = "pics/prar/pra24.jpg"
 
 
 var randomize = Math.round(Math.random()*24)


newimg = eval("imga"+randomize);


document.write('<IMG SRC="'+newimg+'" align="left" alt="cruise ship" class="topimg">')