function version_check()
{
if ( ( (navigator.appName=="Netscape") && (navigator.appVersion.charAt(0)>=3) )
|| (navigator.appVersion.charAt(0)>=4) ) vc_preliminary = 1
}
var vc_preliminary=0;
version_check();
if (vc_preliminary)
{
for (x=0; x < 12; x++)
{
eval("temporaryimage = new Image(120,160);");
eval("temporaryimage.src = 'http://puzzle.dse.nl/images/buttonh" + x + ".jpg';");
}
}