function $(v) { return(document.getElementById(v)); }
function $S(v) { return($(v).style); }
function agent(v) { return(Math.max(navigator.userAgent.toLowerCase().indexOf(v),0)); }
function isset(v) { return((typeof(v)=='undefined' || v.length==0)?false:true); }
function XYwin(v) { var z=agent('msie')?Array(document.body.clientHeight,document.body.clientWidth):Array(window.innerHeight,window.innerWidth); return(isset(v)?z[v]:z); }

function focusTOG() { document.onclick=function(){ $S('focusBG').display='none'; $S('focusBOX').display='none'; document.onclick=function(){}; }; }
function focusBOX(v,b) { setTimeout("focusTOG()",100); $S('focusBG').height=XYwin(0)+'px'; $S('focusBG').display='block'; $S('focusBOX').left=Math.round((XYwin(1)-b)/2)+'px'; $S('focusBOX').width=b+'px'; $S('focusBOX').display='block'; }