function mainroll() {
number = Math.floor(Math.random()*11)
if (number==0)
document.write('<a href="#" title=""><img src="ran_01.jpg" WIDTH=440 HEIGHT=330 border="0" alt=""></a>')
if (number==1)
document.write('<a href="#" title=""><img src="ran_02.jpg" WIDTH=440 HEIGHT=330 border="0" alt=""></a>')
if (number==2)
document.write('<a href="#" title=""><img src="ran_03.jpg" WIDTH=440 HEIGHT=330 border="0" alt=""></a>')

if (number==3)
document.write('<a href="#" title=""><img src="ran_04.jpg" WIDTH=440 HEIGHT=330 border="0" alt=""></a>')

if (number==4)
document.write('<a href="#" title=""><img src="ran_05.jpg" WIDTH=440 HEIGHT=330 border="0" alt=""></a>')

if (number==5)
document.write('<a href="#" title=""><img src="ran_06.jpg" WIDTH=440 HEIGHT=330 border="0" alt=""></a>')

if (number==6)
document.write('<a href="#" title=""><img src="ran_07.jpg" WIDTH=440 HEIGHT=330 border="0" alt=""></a>')

if (number==7)
document.write('<a href="#" title=""><img src="ran_08.jpg" WIDTH=440 HEIGHT=330 border="0" alt=""></a>')

if (number==8)
document.write('<a href="#" title=""><img src="ran_09.jpg" WIDTH=440 HEIGHT=330 border="0" alt=""></a>')

if (number==9)
document.write('<a href="#" title=""><img src="ran_10.jpg" WIDTH=440 HEIGHT=330 border="0" alt=""></a>')

if (number==10)
document.write('<a href="#" title=""><img src="ran_11.jpg" WIDTH=440 HEIGHT=330 border="0" alt=""></a>')

}

