function showhide(id,val)
{
if (val==0) document.getElementById(id).style.display = 'none';
    var browser=navigator.appName
    version=parseFloat(navigator.appVersion);
    if (browser == "Microsoft Internet Explorer"){
        if (val==1) document.getElementById(id).style.display = 'block';
    }else if(browser == "Netscape" && (version >=4.7)){
       if (val==1) document.getElementById(id).style.display = 'table-row';
    }
}
//added by Veena - for PopUp enable/disable :04/03/2009
//Begin
function toggleAlert(popupdiv,val) 
    {//height of grey
    
        var browser=navigator.appName;
        var version=navigator.appVersion;      
        var innerheight=window.innerHeight;
        var pageHeight=document.body.clientHeight;
        var screenHeight=window.screen.height;
        var hx;
        if(pageHeight>screenHeight)hx=pageHeight+"px";
        else hx=screenHeight+"px";
        if(innerheight>hx)hx=innerheight+"px";
        
        document.getElementById("BackDrop").style.height=hx;
        
        //width of grey
        var innerwidth=window.innerWidth;
        var pageWidth=document.body.clientWidth;
        var screenWidth=window.screen.width;
        var wx;
        if(pageWidth>screenWidth)wx=pageWidth+"px";
        else wx=screenWidth+"px";
        if(innerwidth>wx)wx=innerwidth+"px";
        
        document.getElementById("BackDrop").style.width=wx;
        
        //if browser is ie6:
        var is_ie6 = (
              browser=="Microsoft Internet Explorer" && parseFloat(version)<"7"
        );

        if(is_ie6)
        {
            document.getElementById(popupdiv).style.position="absolute";
            document.getElementById(popupdiv).style.zIndex="1200";
            document.getElementById(popupdiv).style.left="50%";
            document.getElementById(popupdiv).style.marginLeft="-30px";
        }
        else
        {
            document.getElementById(popupdiv).style.position="fixed";
            document.getElementById(popupdiv).style.top="50%";
            document.getElementById(popupdiv).style.left="50%";
            document.getElementById(popupdiv).style.marginLeft="-200px";
            document.getElementById(popupdiv).style.marginTop="-75px";
        }
        
        //setfocus height n width of popup
        document.getElementById(popupdiv).style.top=window.screen.height/2-75;
        document.getElementById(popupdiv).style.left=window.screen.width/2;
        showhide("BackDrop",val);
        showhide(popupdiv ,val);
        
         if(is_ie6)toggleDisabled(document.body,val);
        
        var el=document.getElementById(popupdiv);
}
function NoTab(event)
{
   if (event.keyCode==9 && document.getElementById("tab").value=="no") {
            return false;
      }
}
function setfocus(el)
{
    if(el.tagName=="INPUT")
    {
        el.focus();
    }
    if(el.childNodes && el.childNodes.length>0)
    {
        for (var x = 0; x < el.childNodes.length; x++) 
        {
            setfocus(el.childNodes[x]);
        }
    }
}
function toggleDisabled(el,val) 
    {
        if(el.tagName=="SELECT")
        {
            try {
                  if(val==0)showhide(el.id,1);
                  else showhide(el.id,0);
                  
                  el.disabled = el.disabled ? false : true;
            }
            catch(E){}
        }
        if (el.childNodes && el.childNodes.length > 0) 
        {
            for (var x = 0; x < el.childNodes.length; x++) 
                {
                toggleDisabled(el.childNodes[x],val);
                }
        }

    }

function fnIsAlphaNumericKey()
{
    var exp = String.fromCharCode(window.event.keyCode)
    var r = new RegExp("[a-zA-Z0-9]", "g");
    if (exp.match(r) == null)
        window.event.keyCode = 0;    			
} 

function fnIsAlphaNumericKey(evt)
{
    var exp = String.fromCharCode(event.keyCode);
    var r = new RegExp("[a-zA-Z0-9]", "g");
    if (exp.match(r) == null)
    {
        return false;
    }
    return true;
}

function HideFooter()
{
  if(window.location.href.toLowerCase().indexOf('sitemap.aspx')>=0)
  {
  var footerID=document.getElementById('footerTD');
  if(footerID)
  {  
  footerID.style.display='none';  
  }
  }
}
function HideDiv(DivID)
{
  var LinkDivID=document.getElementById(DivID);
  if(LinkDivID)
  {  
  LinkDivID.style.display='none';  
  }
}

function HideImage(ImageID,TDID)
{
  var LinkImageID=document.getElementById(ImageID);
  var LinkTDID=document.getElementById(ImageID);
  if(LinkImageID && LinkTDID)
  {  
  LinkImageID.style.visibility='hidden';  
  LinkTDID.style.width='3px';
  }
}

function HideLeftNav()
{
  if(window.location.href.toLowerCase().indexOf('sitemap.aspx')>=0)
  {
  var LeftNavID=document.getElementById('LeftNavTD');
  if(LeftNavID)
  {  
  LeftNavID.style.display='none';  
  }
  }
}