<!--BUTTON 1-->
function change1()
{
document.img1.src="../images/buttons/img1_on.gif"
}
function back1()
{
document.img1.src="../images/buttons/img1.gif"
}	
<!--BUTTON 1-->

<!--BUTTON 2-->
function change2()
{
document.img2.src="../images/buttons/img2_on.gif"
}
function back2()
{
document.img2.src="../images/buttons/img2.gif"
}	
<!--BUTTON 2-->

<!--BUTTON 3-->
function change3()
{
document.img3.src="../images/buttons/img3_on.gif"
}
function back3()
{
document.img3.src="../images/buttons/img3.gif"
}	
<!--BUTTON 3-->

<!--BUTTON 4-->
function change4()
{
document.img4.src="../images/buttons/img4_on.gif"
}
function back4()
{
document.img4.src="../images/buttons/img4.gif"
}	
<!--BUTTON 4-->


<!--BUTTON 5-->
function change5()
{
document.img5.src="../images/buttons/img5_on.gif"
}
function back5()
{
document.img5.src="../images/buttons/img5.gif"
}	
<!--BUTTON 5-->

<!--BUTTON 6-->
function change6()
{
document.img6.src="../images/buttons/img6_on.gif"
}
function back6()
{
document.img6.src="../images/buttons/img6.gif"
}	
<!--BUTTON 6-->

<!--BUTTON 7-->
function change7()
{
document.img7.src="../images/buttons/img7_on.gif"
}
function back7()
{
document.img7.src="../images/buttons/img7.gif"
}	
<!--BUTTON 7-->

<!--BUTTON 8-->
function change8()
{
document.img8.src="../images/buttons/img8_on.gif"
}
function back8()
{
document.img8.src="../images/buttons/img8.gif"
}	
<!--BUTTON 8-->

<!--BUTTON 9-->
function change9()
{
document.img9.src="../images/buttons/img9_on.gif"
}
function back9()
{
document.img9.src="../images/buttons/img9.gif"
}	
<!--BUTTON 9-->

<!--BUTTON 10-->
function change10()
{
document.img10.src="../images/buttons/img10_on.gif"
}
function back10()
{
document.img10.src="../images/buttons/img10.gif"
}	
<!--BUTTON 10-->

<!--BUTTON 11-->
function change11()
{
document.img11.src="../images/buttons/img11_on.gif"
}
function back11()
{
document.img11.src="../images/buttons/img11.gif"
}	
<!--BUTTON 11-->

<!--BUTTON 12-->
function change12()
{
document.img12.src="../images/buttons/img12_on.gif"
}
function back12()
{
document.img12.src="../images/buttons/img12.gif"
}	
<!--BUTTON 12-->

<!--BUTTON 13-->
function change13()
{
document.img13.src="../images/buttons/img13_on.gif"
}
function back13()
{
document.img13.src="../images/buttons/img13.gif"
}	
<!--BUTTON 13-->

<!--BUTTON 14-->
function change14()
{
document.img14.src="../images/buttons/img14_on.gif"
}
function back14()
{
document.img14.src="../images/buttons/img14.gif"
}	
<!--BUTTON 14-->

<!--BUTTON 15-->
function change15()
{
document.img15.src="../images/buttons/img15_on.gif"
}
function back15()
{
document.img15.src="../images/buttons/img15.gif"
}	
<!--BUTTON 15-->

<!--BUTTON 16-->
function change16()
{
document.img16.src="../images/buttons/img16_on.gif"
}
function back16()
{
document.img16.src="../images/buttons/img16.gif"
}	
<!--BUTTON 16-->

<!--BUTTON 17-->
function change17()
{
document.img17.src="../images/buttons/img17_on.gif"
}
function back17()
{
document.img17.src="../images/buttons/img17.gif"
}	
<!--BUTTON 17-->

<!--BUTTON 18-->
function change18()
{
document.img18.src="../images/buttons/img18_on.gif"
}
function back18()
{
document.img18.src="../images/buttons/img18.gif"
}	
<!--BUTTON 18-->

<!--BUTTON 19-->
function change19()
{
document.img19.src="../images/buttons/img19_on.gif"
}
function back19()
{
document.img19.src="../images/buttons/img19.gif"
}	
<!--BUTTON 19-->

<!--BUTTON 20-->
function change20()
{
document.img20.src="../images/buttons/img20_on.gif"
}
function back20()
{
document.img20.src="../images/buttons/img20.gif"
}	
<!--BUTTON 20-->

<!--BUTTON 21-->
function change21()
{
document.img21.src="../images/buttons/img21_on.gif"
}
function back21()
{
document.img21.src="../images/buttons/img21.gif"
}	
<!--BUTTON 21-->

<!--BUTTON 22-->
function change22()
{
document.img22.src="../images/buttons/img22_on.gif"
}
function back22()
{
document.img22.src="../images/buttons/img22.gif"
}	
<!--BUTTON 22-->

<!--BUTTON 23-->
function change23()
{
document.img23.src="../images/buttons/img23_on.gif"
}
function back23()
{
document.img23.src="../images/buttons/img23.gif"
}	
<!--BUTTON 23-->

<!--BUTTON 24-->
function change24()
{
document.img24.src="../images/buttons/img24_on.gif"
}
function back24()
{
document.img24.src="../images/buttons/img24.gif"
}	
<!--BUTTON 24-->

<!--BUTTON 25-->
function change25()
{
document.img25.src="../images/buttons/img25_on.gif"
}
function back25()
{
document.img25.src="../images/buttons/img25.gif"
}	
<!--BUTTON 25-->

<!--BUTTON 26-->
function change26()
{
document.img26.src="../images/buttons/img26_on.gif"
}
function back26()
{
document.img26.src="../images/buttons/img26.gif"
}	
<!--BUTTON 26-->

<!--BUTTON 27-->
function change27()
{
document.img27.src="../images/buttons/img27_on.gif"
}
function back27()
{
document.img27.src="../images/buttons/img27.gif"
}	
<!--BUTTON 27-->

<!--BUTTON 28-->
function change28()
{
document.img28.src="../images/buttons/img28_on.gif"
}
function back28()
{
document.img28.src="../images/buttons/img28.gif"
}	
<!--BUTTON 28-->

<!--BUTTON 29-->
function change29()
{
document.img29.src="../images/buttons/img29_on.gif"
}
function back29()
{
document.img29.src="../images/buttons/img29.gif"
}	
<!--BUTTON 29-->

<!--BUTTON 30-->
function change30()
{
document.img30.src="../images/buttons/img30_on.gif"
}
function back30()
{
document.img30.src="../images/buttons/img30.gif"
}	
<!--BUTTON 30-->

<!--BUTTON 31-->
function change31()
{
document.img31.src="../images/buttons/img31_on.gif"
}
function back31()
{
document.img31.src="../images/buttons/img31.gif"
}	
<!--BUTTON 31-->

<!--BUTTON 32-->
function change32()
{
document.img32.src="../images/buttons/img32_on.gif"
}
function back32()
{
document.img32.src="../images/buttons/img32.gif"
}	
<!--BUTTON 32-->

<!--BUTTON 33-->
function change33()
{
document.img33.src="../images/buttons/img33_on.gif"
}
function back33()
{
document.img33.src="../images/buttons/img33.gif"
}	
<!--BUTTON 33-->

<!--BUTTON 34-->
function change34()
{
document.img34.src="../images/buttons/img34_on.gif"
}
function back34()
{
document.img34.src="../images/buttons/img34.gif"
}	
<!--BUTTON 34-->

<!--BUTTON 35-->
function change35()
{
document.img35.src="../images/buttons/img35_on.gif"
}
function back35()
{
document.img35.src="../images/buttons/img35.gif"
}	
<!--BUTTON 35-->

<!--BUTTON 36-->
function change36()
{
document.img36.src="../images/buttons/img36_on.gif"
}
function back36()
{
document.img36.src="../images/buttons/img36.gif"
}	
<!--BUTTON 36-->

<!--BUTTON 37-->
function change37()
{
document.img37.src="../images/buttons/img37_on.gif"
}
function back37()
{
document.img37.src="../images/buttons/img37.gif"
}	
<!--BUTTON 37-->

<!--BUTTON 38-->
function change38()
{
document.img38.src="../images/buttons/img38_on.gif"
}
function back38()
{
document.img38.src="../images/buttons/img38.gif"
}	
<!--BUTTON 38-->

<!--BUTTON 39-->
function change39()
{
document.img39.src="../images/buttons/img39_on.gif"
}
function back39()
{
document.img39.src="../images/buttons/img39.gif"
}	
<!--BUTTON 39-->

<!--BUTTON 40-->
function change40()
{
document.img40.src="../images/buttons/img40_on.gif"
}
function back40()
{
document.img40.src="../images/buttons/img40.gif"
}	
<!--BUTTON 40-->


<!--BUTTON 41-->
function change41()
{
document.img41.src="../images/buttons/img41_on.gif"
}
function back41()
{
document.img41.src="../images/buttons/img41.gif"
}	
<!--BUTTON 41-->