/*

  CASCADING POPUP MENUS v5.2beta (c) 2001-2003 Angus Turnbull. All Rights Reserved.
  Visit http://www.twinhelix.com for licensing and more scripts!

*/

var isDOM=document.getElementById?1:0;
var isIE=document.all?1:0;
var isNS4=navigator.appName=='Netscape'&&!isDOM?1:0;
var isIE4=isIE&&!isDOM?1:0;
var isOp=window.opera?1:0;
var isDyn=isDOM||isIE||isNS4;
function getRef(id,par)
{
par=!par?document:(par.navigator?par.document:par);
return(isIE?par.all[id]:
(isDOM?(par.getElementById?par:par.ownerDocument).getElementById(id):
(isNS4?par.layers[id]:null)));
}
function getSty(id,par)
{
var r=getRef(id,par);
return r?(isNS4?r:r.style):null;
}
if(!window.LayerObj)var LayerObj=new Function('id','par',
'this.ref=getRef(id,par);this.sty=getSty(id,par);return this');
function getLyr(id,par){return new LayerObj(id,par)}
function LyrFn(fn,fc)
{
LayerObj.prototype[fn]=new Function('var a=arguments,p=a[0],px=isNS4||isOp?0:"px";'+
'with(this){'+fc+'}');
}
LyrFn('x','if(!isNaN(p))sty.left=p+px;else return parseInt(sty.left)');
LyrFn('y','if(!isNaN(p))sty.top=p+px;else return parseInt(sty.top)');
LyrFn('w','if(p)(isNS4?sty.clip:sty).width=p+px;'+
'else return(isNS4?ref.document.width:ref.offsetWidth)');
LyrFn('h','if(p)(isNS4?sty.clip:sty).height=p+px;'+
'else return(isNS4?ref.document.height:ref.offsetHeight)');
LyrFn('vis','sty.visibility=p');
LyrFn('bgColor','if(isNS4)sty.bgColor=p?p:null;'+
'else sty.background=p?p:"transparent"');
LyrFn('bgImage','if(isNS4)sty.background.src=p?p:null;'+
'else sty.background=p?"url("+p+")":"transparent"');
LyrFn('clip','if(isNS4)with(sty.clip){left=a[0];top=a[1];right=a[2];bottom=a[3]}'+
'else sty.clip="rect("+a[1]+"px "+a[2]+"px "+a[3]+"px "+a[0]+"px)" ');
LyrFn('write','if(isNS4)with(ref.document){write(p);close()}else ref.innerHTML=p');
LyrFn('alpha','var f=ref.filters,d=(p==null);if(f){'+
'if(!d&&sty.filter.indexOf("alpha")==-1)sty.filter+=" alpha(opacity="+p+")";'+
'else if(f.length&&f.alpha)with(f.alpha){if(d)enabled=false;else{opacity=p;enabled=true}}}'+
'else if(isDOM)sty.MozOpacity=d?"":p/100');
function setLyr(lVis,docW,par)
{
if(!setLyr.seq)setLyr.seq=0;
if(!docW)docW=0;
var obj=(!par?(isNS4?window:document.body):
(!isNS4&&par.navigator?par.document.body:par));
var IA='insertAdjacentHTML',AC='appendChild',newID='_js_layer_'+setLyr.seq++;
if(obj[IA])obj[IA]('beforeEnd','<div id="'+newID+'" style="position:absolute"></div>');
else if(obj[AC])
{
var newL=document.createElement('div');
obj[AC](newL);newL.id=newID;newL.style.position='absolute';
}
else if(isNS4)
{
var newL=new Layer(docW,obj);
newID=newL.id;
}
var lObj=getLyr(newID,par);
with(lObj)if(ref){vis(lVis);x(0);y(0);sty.width=docW+(isNS4?0:'px')}
return lObj;
}
if(!window.page)var page={win:window,minW:0,minH:0,MS:isIE&&!isOp,
db:document.compatMode&&document.compatMode.indexOf('CSS')>-1?'documentElement':'body'}
page.winW=function()
{with(this)return Math.max(minW,MS?win.document[db].clientWidth:win.innerWidth)}
page.winH=function()
{with(this)return Math.max(minH,MS?win.document[db].clientHeight:win.innerHeight)}
page.scrollX=function()
{with(this)return MS?win.document[db].scrollLeft:win.pageXOffset}
page.scrollY=function()
{with(this)return MS?win.document[db].scrollTop:win.pageYOffset}
page.elmPos=function(e,p)
{
 var x=0,y=0,w=p?p:this.win;
 e=e?(e.substr?(isNS4?w.document.anchors[e]:getRef(e,w)):e):p;
 if(isNS4){if(e&&(e!=p)){x=e.x;y=e.y};if(p){x+=p.pageX;y+=p.pageY}}
 else while(e){x+=e.offsetLeft;y+=e.offsetTop;e=e.offsetParent}
 return{x:x,y:y};
}