function findObj(n, d) {
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function showHideLayers() {
  var i,p,v,obj,args=showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'block':(v=='hide')?'none':v; }
    obj.display=v; }
}

function setActiveTab(tabID) {
	var currTabElem = document.getElementById(tabID);
	currTabElem.setAttribute("class", "navcurrent");
	currTabElem.setAttribute("className", "navcurrent");
	return;
} 

function setInactiveTab(tabID) {
	var currTabElem = document.getElementById(tabID);
	currTabElem.setAttribute("class", "navoff");
	currTabElem.setAttribute("className", "navoff");
	return;
}