// -- BEGIN - Change Image
 function changeImage(imgDocID,imgObjName,layerName) {
      if (document.layers && layerName) {
      	      if(window.document.layers[layerName].document.images[imgDocID]){
       	      	window.document.layers[layerName].document.images[imgDocID].src = (imgObjName);
       	      } else {
       	      	document.getElementById(imgDocID).src = (imgObjName);
	      }
      }
      else {
	      if(document.images[imgDocID]){
	      	document.images[imgDocID].src = (imgObjName);
	      } else {
	      	document.getElementById(imgDocID).src = (imgObjName);
	      }
      }
	  //alert(document.images[imgDocID])
    }
// -- END - Change Image'

// -- BEGIN - Change Class
 function changeClass(obj, className) {
    //alert(obj);
   // alert(className);
   // alert(obj.className);
    obj.className = className;
 }
// -- END - Change Class

// -- BEGIN - Show / Hide
//if explorer (4.x)
if (document.all) {
		layerRef='document.all'
		styleRef='.style.'
}
//else if netscape (4.x)
else if (document.layers) {
	//alert(navigator.appName)
		layerRef='window.document.layers'
		styleRef='.'
	}
else{
	// location.href="not4x.html"
}

function show(elem){
  document.getElementById(elem).style.visibility="visible";
  if(elem != "theHider"){
  	show("theHider");
  }
}
function hide(elem){
  document.getElementById(elem).style.visibility="hidden";
}
/*
Now deprecated - part of navLayers.cs - dynamically generated
function hideAllNav(thisNav){
	document.getElementById('ddNav1').style.visibility="hidden";
	if(thisNav){
		if(thisNav!=2){
		document.getElementById('ddNav2').style.visibility="hidden";
		} 
	} else {
	document.getElementById('ddNav2').style.visibility="hidden";
	}
	document.getElementById('ddNav3').style.visibility="hidden";
	document.getElementById('ddNav4').style.visibility="hidden";
	document.getElementById('ddNavSub21').style.visibility="hidden";
	document.getElementById('ddNavSub22').style.visibility="hidden";
	document.getElementById('ddNavSub23').style.visibility="hidden";
	document.getElementById('ddNavSub25').style.visibility="hidden";
	document.getElementById('theHider').style.visibility="hidden";
}*/
// -- END - Show / Hide

function hideLocations(){
	document.getElementById('texasLocations').style.display = 'none';
	document.getElementById('southDakotaLocations').style.display = 'none';
	document.getElementById('pennLocations').style.display = 'none';
	document.getElementById('missouriLocations').style.display = 'none';
	document.getElementById('minnesotaLocations').style.display = 'none';
	document.getElementById('kansasLocations').style.display = 'none';
	document.getElementById('iowaLocations').style.display = 'none';
	document.getElementById('illinoisLocations').style.display = 'none';
	document.getElementById('californiaLocations').style.display = 'none';
}
function showLocations(theLoc){
	document.getElementById(theLoc).style.display = 'block';
}