function on1() 
{if (!document.images) return; document.a.src = "images/mo_ltop1.jpg"; document.blank.src = "images/center_1.jpg";} 
function on2() 
{if (!document.images) return; document.b.src = "images/mo_ltop2.jpg"; document.blank.src = "images/center_2.jpg";}
function on3() 
{if (!document.images) return; document.c.src = "images/mo_ltop3.jpg"; document.blank.src = "images/center_3.jpg";}
function on4() 
{if (!document.images) return; document.d.src = "images/mo_rtop3.jpg"; document.blank.src = "images/center_4.jpg";}
function on5() 
{if (!document.images) return; document.e.src = "images/mo_rtop2.jpg"; document.blank.src = "images/center_5.jpg";}
function on6() 
{if (!document.images) return; document.f.src = "images/mo_rtop1.jpg"; document.blank.src = "images/center_6.jpg";}
function on7() 
{if (!document.images) return; document.g.src = "images/votf.jpg"; document.blank.src = "images/center_7.jpg";}

function off1() 
{if (!document.images) return; document.a.src = "images/spacer.gif"; document.blank.src = "images/centertop.gif";}
function off2() 
{if (!document.images) return; document.b.src = "images/spacer.gif"; document.blank.src = "images/centertop.gif";}
function off3() 
{if (!document.images) return; document.c.src = "images/spacer.gif"; document.blank.src = "images/centertop.gif";}
function off4() 
{if (!document.images) return; document.d.src = "images/spacer.gif"; document.blank.src = "images/centertop.gif";}
function off5() 
{if (!document.images) return; document.e.src = "images/spacer.gif"; document.blank.src = "images/centertop.gif";}
function off6() 
{if (!document.images) return; document.f.src = "images/spacer.gif"; document.blank.src = "images/centertop.gif";}
function off7() 
{if (!document.images) return; document.g.src = "images/votf.jpg"; document.blank.src = "images/centertop.gif";}

var imgslist = new Array(
"images/center_1.jpg",
"images/center_2.jpg",
"images/center_3.jpg",
"images/center_4.jpg",
"images/center_5.jpg",
"images/center_6.jpg",
"images/center_7.jpg",  
"images/mo_ltop1.jpg", 
"images/mo_ltop2.jpg", 
"images/mo_ltop3.jpg", 
"images/mo_rtop3.jpg",
"images/mo_rtop2.jpg",  
"images/mo_rtop1.jpg"); 

var imgs=new Array(); 
for (x=0; x<imgslist.length; x++) 
 if (document.images) 
  {imgs[x]=new Image(); imgs[x].src = imgslist[x];}