var1="/images/people_01.gif"
var2="/images/people_02.gif";
var3="/images/people_03.gif";
var4="/images/people_04.gif";
now=new Date()
num=(now.getSeconds() )%4
num=num+1
quot="'"
document.write("")
if (num == 1)
    {cliche=var1} 
if (num == 2)
    {cliche=var2}
if (num == 3)
    {cliche=var3}
if (num == 4)
    {cliche=var4}
document.write("<img src="+ quot + cliche + quot + ">")