// JavaScript Document
//<![CDATA[
function focus(name,total){
this.name = name;
this.total = total;
this.current = 1
setFocus.call(this)
this.reset = setTimeout(tofocus(this,1),3000);
}
focus.prototype={
to:function(i){
if(i>this.total)i=1;
this.current=i;
for(var j=1;j<=this.total;j++){
document.getElementById(this.name+"_cont"+j).style.display=(this.current==j)?"block":"none";
document.getElementById(this.name+"_btn"+j).className=(this.current==j)?"current":"";
}
clearTimeout(this.reset);
this.reset = setTimeout(tofocus(this,++this.current),3000);
}
}
function setFocus(){
 for(i=1;i<=this.total;i++){
document.getElementById(this.name+"_btn"+i).onclick=tofocus.call(this,this,i)
}
}
function tofocus(obj,i){
 return function(){
obj.to(i)
}
}
//]]>