name= new Array();
name[0] = "jcb";
name[1] = "ec";
name[2] = "present";
name[3] = "kyuden";

banner= new Array();
banner[0] = "/swf/jcb.swf";
banner[1] = "/swf/ec.swf";
banner[2] = "/swf/present.swf";
banner[3] = "/swf/kyuden.swf";

function my_jump_top(){
max_banner=banner.length;
i_num = Math.floor(Math.random() * max_banner);
document.write("<object classid=clsid:d27cdb6e-ae6d-11cf-96b8-444553540000 codebase=http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,0,0 width=153 height=100 id='"+name[i_num]+"'align=middle><param name=allowScriptAccess value=sameDomain><param name=movie value='"+banner[i_num]+"'><param name=menu value=false><param name=quality value=best><param name=bgcolor value=#ffffff><embed src='"+banner[i_num]+"'menu=false quality=best bgcolor=#ffffff width=153 height=100 name='"+name[i_num]+"'align=middle allowScriptAccess=sameDomain type=application/x-shockwave-flash pluginspage=http://www.macromedia.com/go/getflashplayer></object></a>");
}