numvalue = 3
day = new Date()
z = day.getTime()
y = (z - (parseInt(z/1000,10) * 1000))/10
x = parseInt(y/100*numvalue,10) + 1

a="http://www.hostend.net/intro/intro"
b=".swf"
ad=a+x+b
document.write('<embed width=514 height=337 autoplay=true loop=true src= ' + ad + '>')