function MM_findObj(n, d) { //v4.01
  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=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}
function MM_setTextOfLayer(objName,x,newText) { //v4.01
  if ((obj=MM_findObj(objName))!=null) with (obj)
    if (document.layers) {document.write(unescape(newText)); document.close();}
    else innerHTML = unescape(newText);
}

function MM_showHideLayers2() { //RV
  var i,p,v,obj,args=MM_showHideLayers2.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2]; d=args[i+1];
    if (obj.style) { obj=obj.style; v=(v=='show')?d:(v=='hide')?'none':v; }
    obj.display=v; }
}

var sections = new Array("intro", "aquifer", "fact", "quality", "domestic", "problem", "relate", "source", "search");
var LAYER_NAME_PREFIX = "";
var LAYER_NAME_SUFIX = "div";
var currSection = "";
for (var i=0; i < sections.length; i++){
	currUrl = window.location.href.toLowerCase();
	currUrlParts = currUrl.split("/");
	currPage = currUrlParts[currUrlParts.length-1];
// 	alert(currPage + "=" + sections[i]);
	if (currPage.indexOf(sections[i].toLowerCase()) > -1){currSection = sections[i]; break;}
}

for (var i=0; i < sections.length; i++){
	if (currSection == sections[i]){
		MM_showHideLayers2(LAYER_NAME_PREFIX + sections[i] + LAYER_NAME_SUFIX, "", "show");
	} else {
		MM_showHideLayers2(LAYER_NAME_PREFIX + sections[i] + LAYER_NAME_SUFIX, "", "hide");
	}
}