function reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.pgW=innerWidth; document.pgH=innerHeight; onresize=reloadPage; }}
  else if (innerWidth!=document.pgW || innerHeight!=document.pgH) location.reload();
}
reloadPage(true);
// -->

function swapImgRestore() { //v3.0
  var i,x,a=document.sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.p) d.p=new Array();
    var i,j=d.p.length,a=preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.p[j]=new Image; d.p[j++].src=a[i];}}
}

function 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=findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function swapImage() { //v3.0
  var i,j=0,x,a=swapImage.arguments; document.sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=findObj(a[i]))!=null){document.sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function validDate(chdate)  { 
   
   var mon=''; 
   var day=''; 
   var yr = ''; 
   var i; 
   var moni=0; 
   var dayi=0; 
   var yri=0; 
  
   
   if (chdate == '') { return false; } 

   for (i=0; (i<chdate.length) && ((chdate.charAt(i)) != '/'); ++i) { 
      mon =  mon + chdate.charAt(i); 
   } 

   for (i=i+1; (i<chdate.length) && ((chdate.charAt(i))!='/'); ++i) { 
      day = day + chdate.charAt(i); 
   } 
   
   for (i=i+1; i<chdate.length; ++i) { 
      yr = yr + chdate.charAt(i); 
   } 

   if ((mon=='') || (day=='') || (yr=='') || (yr.length!=4) || (mon.length>2) || (day.length>2)) { return false; } 

   if ((!validNum(mon)) || (!validNum(day)) || (!validNum(yr))) { return false; } 

   moni = mon/1.0; 
   dayi = day/1.0; 
   yri = yr/1.0; 

   if ((moni==1) || (moni==3) || (moni==5) || (moni==7) || (moni==8) || (moni==10) || (moni==12)) { 
       if ((dayi<1) || (dayi>31))  { return false; }
   } 
   else { 
      if ((moni==4) || (moni==6) || (moni==9) || (moni==11)) {
         if ((dayi<1) || (dayi>30)) { return false; } 
      } 
      else { 
         if (moni==2) { 
            if ((yri%4)==0) { if ((dayi<1) || (dayi>29)) { return false; } } 
            else { if ((dayi<1) || (dayi>28)) { return false; } } 
         } 
         else {

            return false;
         } 
      }
   } 

   return true; 

} 

function validNum(num) { 

  var i=0; 
  var tmpstr=num; 

  if (tmpstr == '') { return true; } 

  tmpstr = tmpstr.toUpperCase(); 

  for (i=0; i<tmpstr.length; i++) { 
      if ((tmpstr.charAt(i) < '0') || (tmpstr.charAt(i) > '9')) { 
         return false; 
      } 
  } 

  return true; 

} 


function IsEmailValid(Email)
{
var EmailOk  = true
var Temp     = Email
var AtSym    = Temp.indexOf('@')
var Period   = Temp.lastIndexOf('.')
var Space    = Temp.indexOf(' ')
var Length   = Temp.length - 1   // Array is from 0 to length-1

if ((AtSym < 1) ||                     // '@' cannot be in first position
    (Period <= AtSym+1) ||             // Must be atleast one valid char btwn '@' and '.'
    (Period == Length ) ||             // Must be atleast one valid char after '.'
    (Space  != -1))                    // No empty spaces permitted
   {  
      EmailOk = false
      alert('Please enter a valid e-mail address!')
      
   }
return EmailOk
}