function hideBlock(layerName) {
if (document.layers) {
document.layers[layerName].display = 'none';
}
else if (document.all) {
document.all[layerName].style.display = 'none';
}
else if (document.getElementById) {
document.getElementById(layerName).style.display = 'none';
}
}

function showBlock(layerName) {
if (document.layers) {
document.layers[layerName].display = 'block';
}
else if (document.all) {
document.all[layerName].style.display = 'block';
}
else if (document.getElementById) {
document.getElementById(layerName).style.display = 'block';
}
}
 
function cycle(x,fld) {
var fields = '';
for (var i = 0; i<document.getElementById(x).elements.length; i++) {   
fields+= document.getElementById(x).elements[i].name+' | ';
myString = new String(document.getElementById(x).elements[i].name)
if (myString.indexOf(fld)>=0) {
fields+=" CHECKING";
outputSelected(document.getElementById(x).elements[i].name);
}
}
// alert("Fields: " + fields);
}

function init() { 
if (document.layers) { 
layerRef="document.layers"; 
styleSwitch=""; 
visibleVar="show"; 
screenSize = window.innerWidth; 
what ="ns4"; 
} 
else if(document.all) { 
layerRef="document.all"; 
styleSwitch=".style"; 
visibleVar="visible"; 
screenSize = document.body.clientWidth + 18; 
what ="ie4"; 
} 
else if(document.getElementById) { 
layerRef="document.getElementByID"; 
styleSwitch=".style"; 
visibleVar="visible"; 
what="dom1"; 
} 
else { 
what="none"; 
newbrowser = false; 
} 
check = true; 
} 

function initBlocks() { 
if (document.layers) { 
layerRef="document.layers"; 
styleSwitch=""; 
visibleVar="show"; 
screenSize = window.innerWidth; 
what ="ns4"; 
} 
else if(document.all) { 
layerRef="document.all"; 
styleSwitch=".display"; 
visibleVar="block"; 
screenSize = document.body.clientWidth + 18; 
what ="ie4"; 
} 
else if(document.getElementById) { 
layerRef="document.getElementByID"; 
styleSwitch=".display"; 
visibleVar="block"; 
what="dom1"; 
} 
else { 
what="none"; 
ewbrowser = false; 
}
check = true; 
} 

function ConfirmSubmit(msg)
{
correct = confirm(msg);
return correct;
} 
   
function clearText (field, msg, state) {
if (state) {
if (field.value == msg) {
field.value = "";
}
} 
else {
if (field.value == "") {
field.value = msg;
}
}
}

function checkMe(x) { 
// obvious, but make sure the element has an id not just a name
if (document.all) { // ie 4+
document.all[x].checked = true;
}
else { // other modern browsers
document.getElementById(x).setAttribute('checked',true);
}
}

function setActiveTab(thisTabID,tabIDsOff) {
if( thisTabID == undefined ){ return; }
var acurr = "";
var acurrTab = "";
var aarr = "";
if (tabIDsOff != undefined) {
  aarr = tabIDsOff.split(',');
  for (x in aarr) {
    if (document.getElementById) {
      document.getElementById(aarr[x]).className = '';
    }
  }
}
if (document.getElementById) {
  document.getElementById(thisTabID).className = 'active';
}
  return;
}

function toggleLayer( whichLayer )
{
  var elem, vis;
  if( document.getElementById ) // this is the way the standards work
    elem = document.getElementById( whichLayer );
  else if( document.all ) // this is the way old msie versions work
      elem = document.all[whichLayer];
  else if( document.layers ) // this is the way nn4 works
    elem = document.layers[whichLayer];
  vis = elem.style;
  // if the style.display value is blank we try to figure it out here
  if(vis.display==''&&elem.offsetWidth!=undefined&&elem.offsetHeight!=undefined)
    vis.display = (elem.offsetWidth!=0&&elem.offsetHeight!=0)?'block':'none';
  vis.display = (vis.display==''||vis.display=='block')?'none':'block';
}