function on1() 
{if (!document.images) return; document.a.src = "images/butt_1.gif"; document.label.src = "images/fulu.gif"; document.labelb.src = "images/labelbar_1.gif";} 
function on2() 
{if (!document.images) return; document.b.src = "images/butt_2.gif"; document.label.src = "images/nextpeople.gif"; document.labelb.src = "images/labelbar_2.gif";}
function on3() 
{if (!document.images) return; document.c.src = "images/butt_3.gif"; document.label.src = "images/prepeople.gif"; document.labelb.src = "images/labelbar_3.gif";}
function on4() 
{if (!document.images) return; document.d.src = "images/butt_4.gif"; document.label.src = "images/about.gif"; document.labelb.src = "images/labelbar_4.gif";}
function on5() 
{if (!document.images) return; document.e.src = "images/butt_5.gif"; document.label.src = "images/return130.gif"; document.labelb.src = "images/labelbar_5.gif";}
function on6() 
{if (!document.images) return; document.f.src = "images/butt_6.gif"; document.label.src = "images/returncug.gif"; document.labelb.src = "images/labelbar_6.gif";}

function off1() 
{if (!document.images) return; document.a.src = "images/butt_1.gif"; document.label.src = "images/spacer.gif"; document.labelb.src = "images/spacer.gif";}
function off2() 
{if (!document.images) return; document.b.src = "images/butt_2.gif"; document.label.src = "images/spacer.gif"; document.labelb.src = "images/spacer.gif";}
function off3() 
{if (!document.images) return; document.c.src = "images/butt_3.gif"; document.label.src = "images/spacer.gif"; document.labelb.src = "images/spacer.gif";}
function off4() 
{if (!document.images) return; document.d.src = "images/butt_4.gif"; document.label.src = "images/spacer.gif"; document.labelb.src = "images/spacer.gif";}
function off5() 
{if (!document.images) return; document.e.src = "images/butt_5.gif"; document.label.src = "images/spacer.gif"; document.labelb.src = "images/spacer.gif";}
function off6() 
{if (!document.images) return; document.f.src = "images/butt_6.gif"; document.label.src = "images/spacer.gif"; document.labelb.src = "images/spacer.gif";}

var imgslist = new Array(
"images/lable_1.gif",
"images/lable_2.gif",
"images/lable_3.gif",
"images/lable_4.gif",
"images/lable_5.gif",
"images/lable_6.gif",
"images/labelbar_1.gif",
"images/labelbar_2.gif",
"images/labelbar_3.gif",
"images/labelbar_4.gif",
"images/labelbar_5.gif",
"images/labelbar_6.gif"); 

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