var imagenumber = 4 ;
var rand_old = 0;
var randomnumber = Math.random() ;
var rand1 = Math.round((imagenumber-1) * randomnumber) + 1 ;
images2 = new Array
images2[1] = "http://www.hankooki.com/ad/adn4_kal.gif"
images2[2] = "http://www.hankooki.com/ad/adn4_kal.gif"
images2[3] = "http://www.hankooki.com/ad/sgater_han.gif"
images2[4] = "http://www.hankooki.com/ad/surnia_ban.gif"
if(rand_old == 0){
   var image2 = images2[rand1]
  }
else{
   var image2 = images2[rand_old]
}
rand_old = rand1;
links = new Array
links[1] = "http://www.hankooki.com/loop/kal.htm"
links[2] = "http://www.hankooki.com/loop/kal.htm"
links[3] = "http://www.hankooki.com/loop/sgater_han.htm"
links[4] = "http://www.hankooki.com/loop/surnia.htm"
var link = links[rand1]
if (rand1 == 1) {
   var ad_script = "<OBJECT classid='clsid:D27CDB6E-AE6D-11cf-96B8-444553540000' codebase='http://active.macromedia.com/flash2/cabs/swflash.cab#version=4,0,0,0' ID=kair WIDTH=468 HEIGHT=60><PARAM NAME=movie VALUE='http://www.hankooki.com/adflash/imas_468.swf'><PARAM NAME=quality VALUE=high><EMBED src='http://www.hankooki.com/adflash/imas_468.swf' quality=high  WIDTH=468 HEIGHT=60 TYPE='application/x-shockwave-flash' PLUGINSPAGE='http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash'></EMBED></OBJECT>";
} else {
   var ad_script = "<A HREF=" + link + " target=new><IMG SRC=" + image2 + " border=0></a>"
}