function showSheet(content)
{
var sheet = document.getElementById('sheet');
var sheetContent = document.getElementById('sheetContent');
sheetContent.innerHTML = content;
sheet.style.visibility = 'visible';
return false;
}

function toggleVisibility(whichForm, setVisible)
{
var newstate="none"
if(setVisible == true) 
newstate = ""

if (document.getElementById)
{
// this is the way the standards work
var style2 = document.getElementById(whichForm).style;
style2.display = newstate;
}
else if (document.all)
{
// this is the way old msie versions work
var style2 = document.all[whichForm].style;
style2.display = newstate;
}
else if (document.layers)
{
// this is the way nn4 works
var style2 = document.layers[whichForm].style;
style2.display = newstate;
}
}


function setInnerHTML(div_id, value)
{
var dstDiv = document.getElementById(div_id);
dstDiv.innerHTML = value;
}

function openPopup(url, name, height, width)
{
newwindow=window.open(url, name,'height='+height+',width='+width);
if (window.focus) {newwindow.focus()}
return false;
}




function openDiv (elName) {
var theElemenet = document.getElementById(elName);
if (theElemenet) {
theElemenet.style.display = "block";
}
}
function closeDiv (elName) {
var theElemenet = document.getElementById(elName);
if (theElemenet) {
theElemenet.style.display = "none";
}
}

function showInline (elName) {
var theElemenet = document.getElementById(elName);
if (theElemenet) {
theElemenet.style.display = "inline";
}
}
function hideInline (elName) {
var theElemenet = document.getElementById(elName);
if (theElemenet) {
theElemenet.style.display = "none";
}
}


function blurElement (elName) {
var theElement = document.getElementById(elName);
if (theElement) {
theElement.blur();
}
}

function selectLink (elName) {
var theElement = document.getElementById(elName);
if (theElement) {
theElement.className = "selectedNavLink";
}
}
function unSelectLink (elName) {
var theElement = document.getElementById(elName);
if (theElement) {
theElement.className = "unSelectedNavLink";
}
}


function toggleDisplay(divName){
var tempDiv = document.getElementById(divName);
if (!tempDiv) {
return;
}  
if ((tempDiv.style.display=="block")||(tempDiv.style.display=="" && tempDiv.className.indexOf("hid") == 0)){
tempDiv.style.display="none";
}
else {	
if ((tempDiv.style.display=="none")||(tempDiv.className.indexOf("hid") != 0)){
tempDiv.style.display="block";
}
 }
}

function hideDiv(divName){
tempDiv = document.getElementById(divName);
if (!tempDiv) {
return;
}
if (tempDiv.style.display=="block"){
     tempDiv.style.display="none";
}
}

function showDiv(divName){
tempDiv = document.getElementById(divName);
if (!tempDiv) {
  return;
}
if (tempDiv.style.display=="none"){
tempDiv.style.display="block";
 }
}


function changeBGcolor(tempDiv, onOrOff) {
if(onOrOff==1) { tempDiv.style.backgroundColor='#DDD'; tempDiv.style.cursor='pointer';tempDiv.style.cursor='hand';}
else {tempDiv.style.backgroundColor='#FFF'}

}

function imgRollover(imgIdArr)
{
if (navigator.userAgent.match(/Opera (\S+)/)) {
var operaVersion = parseInt(navigator.userAgent.match(/Opera (\S+)/)[1]);
}
if (!document.getElementById||operaVersion <7) return;
var i=0;
var imgId='';
var imgEle='';
var imgArr=new Array;
for (i=0;i<imgIdArr.length;i++)
{
if (document.getElementById(imgIdArr[i]))
{
imgArr.push(document.getElementById(imgIdArr[i]));
}
}
var imgPreload=new Array();
var imgSrc=new Array();
var imgClass=new Array();
for (i=0;i<imgArr.length;i++)
{
if (imgArr[i].className.indexOf('rollover')>-1)
{
// If for some reason images are stored outside of the /img dir, this will break
imgSrc[i]=imgArr[i].getAttribute('src');
imgClass[i]=imgArr[i].className;
imgPreload[i]=new Image();
if (imgClass[i].match(/rollover (\S+)/)) 
{
imgPreload[i].src = '/img/'+imgClass[i].match(/rollover (\S+)/)[1];
}
imgArr[i].setAttribute('rsrc', imgSrc[i]);
imgArr[i].onmouseover=function() 
{
this.setAttribute('src', '/img/'+this.className.match(/rollover (\S+)/)[1])
}
imgArr[i].onmouseout=function() 
{
this.setAttribute('src',this.getAttribute('rsrc'))
}
}
}
}

//validates forms with URL fields and adds http:// in front of the string
function validateURL(inputField){
if (inputField.value.indexOf("http://")==0) {
return false;
} else {

inputField.value="http://" + inputField.value;
return true;
}
}