function switchImage(imgName, imgSrc) 

{

  if (document.images)

  {

    if (imgSrc != "none")

    {

      document.images[imgName].src = imgSrc;

    }

  }

}



function ChangeBgColor(obj, hoverColor) {

	obj.style.backgroundColor=hoverColor

}



function MM_reloadPage(init) {  //reloads the window if Nav4 resized

  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {

    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}

  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();

}

MM_reloadPage(true);

// -->





function MM_findObj(n, d) { //v4.0

  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=MM_findObj(n,d.layers[i].document);

  if(!x && document.getElementById) x=document.getElementById(n); return x;

}



function MM_showHideLayers() { //v3.0

  var i,p,v,obj,args=MM_showHideLayers.arguments;

  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];

    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }

    obj.visibility=v; }

}



function MM_jumpMenu(targ,selObj,restore){ //v3.0

  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");

  if (restore) selObj.selectedIndex=0;

}



function OnChangeFilter(){

}



function showHideLayers() { //v3.0

  var i,p,v,obj,args=showHideLayers.arguments;

  for (i=0; i<(args.length-2); i+=3) if ((obj=findObj(args[i]))!=null) { v=args[i+2];

    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }

    obj.visibility=v; }

}



function findObj(n, d) { //v4.0

  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 && document.getElementById) x=document.getElementById(n); return x;

}



function MM_openBrWindow(theURL,winName,features) { //v2.0

  window.open(theURL,winName,features);

}



function MM_swapImgRestore() { //v3.0

  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;

}



function MM_preloadImages() { //v3.0

  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();

    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)

    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}

}



function MM_findObj(n, d) { //v3.0

  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=MM_findObj(n,d.layers[i].document); return x;

}



function MM_swapImage() { //v3.0

  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)

   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}

}



//sweepstakes functions



function isAlphabetic(str)

{

  var len= str.length;

  if (len==0)

    return false;

  //else

  var p=0;

  var ok= true;

  var ch= "";

  while (ok && p<len)

  {

    ch= str.charAt(p);

    if (  ('A'<=ch && ch<='Z')

        ||('a'<=ch && ch<='z')

        ||(ch==" ")

          )

      p++;

    else

      ok= false;

  }

  return ok;

}



function isNumeric(str)

// returns true if str is numeric

// that is it contains only the digits 0-9

// returns false otherwise

// returns false if empty

{

  var len= str.length;

  if (len==0)

    return false;

  //else

  var p=0;

  var ok= true;

  var ch= "";

  while (ok && p<len)

  {

    ch= str.charAt(p);

    if ('0'<=ch && ch<='9')

      p++;

    else

      ok= false;

  }

  return ok;

}



function changePage(ref) {

 if (ref.options[ref.selectedIndex].value == 'NY') {

     location.href = ref.options[ref.selectedIndex].value + ".html"

  }

} 



function checkemail (entry) {

  var indx ;

  if (entry.length <= 0) return -1 ;

  indx = entry.indexOf("@");

  if(indx == -1) return -1 ;

  indx = entry.indexOf(".",indx);

  if(indx == -1) return -1 ;

  if(indx == entry.length-1) return -1 ;

  return 0;

}



function radiogroupvalid(radgroup) {

	var radiogroupvalid = false;

	for (var loopcounter=0; loopcounter < radgroup.length; loopcounter++) {

		if (radgroup[loopcounter].checked)  {

			 radiogroupvalid = true; }

	}

	return radiogroupvalid;

}			



function validate(form) {

var lname=form.lastname.value;

var fname=form.firstname.value;

var dobmonth=form.birthmonth.value;

var dobday=form.birthday.value;

var dobyear=form.birthyear.value;

var address1=form.address1.value;

var city=form.city.value;

var state=form.state.value;

var zip=form.zipcode.value;

var zip4=form.zipcodeplus4.value;

var em=form.email.value;

var pharea=form.dayphonearea.value;

var phday3=form.dayphone3.value;

var phday4=form.dayphone4.value;

var phdayext=form.dayphoneext.value;

var updates=form.updates;

var flag=true



if (radiogroupvalid(updates) == false) {

  alert('Please answer whether you want to receive sponsor updates.');

  form.company.focus();  

  return false;

}



if (isAlphabetic(lname) == false) {

  alert('Your last name is a required field that can only contain characters. Please try again.');

  form.lastname.focus();

  form.lastname.select();

  return false;

  

}



if (isAlphabetic(fname) == false) {

  alert('Your first name is a required field that can only contain characters. Please try again.');

  form.firstname.focus();

  form.firstname.select();

  return false

}



if (form.birthmonth.options[0].selected) {

  alert('Please choose your Month of Birth.');

  return false;

}



if (form.birthday.options[0].selected) {

  alert('Please choose your Day fo Birth.');

  return false;

}



if (isNumeric(dobyear) == false) {

  alert('please enter the year of Birth');

  form.birthyear.focus();

  form.birthyear.select();

  return false

}

if (dobmonth !="" && dobday !="" && dobyear !="") {

var mm = form.birthmonth.value;

var dd = form.birthday.value;

var yy = 19 + form.birthyear.value;

var year = new Date();

var year2 = year.getYear();

var year3 = (year < 2000) ? year2 + 1900 : year2;

thedate = new Date();

mm2 = thedate.getMonth() + 1;

dd2 = thedate.getDate();

yy2 = thedate.getYear();

if (yy2 < 1000) yy2 += 1900;

year1 = mm & dd & yy;

var years = yy2 - yy;

  	if (years < 18 && state != "AK" && state !="HI") {

	    alert("You must be at least 18 years old  to participate in sweepstakes");

	       return false

	   } 

}



if (address1=='') {

  alert('address1 is a required field. Please try again.');

  form.address1.focus();

  form.address1.select();

  return false;

}





if (isAlphabetic(city) == false) {

  alert('city is a required field that can only contain characters. Please try again.');

  form.city.focus();

  form.city.select();

  return false;

}





if (form.state.options[0].selected) {

  alert('Please choose the State you live in.');

  event.returnValue=false;

  return false;

}



if (isNumeric(zip) == false || zip.length != 5) {

  alert('Zip code is a required field. Please enter a valid 5 digit zip code. Please try again.');

  form.zipcode.focus();

  form.zipcode.select();

  return false;

}





if (zip4 !== "" && (isNumeric(zip4) == false || zip4.length !=4)) {

    alert("Invalid Zip+4. Only Numbers are accepted for Zip Code!");

    form.zipcodeplus4.focus();

    form.zipcodeplus4.select();

   return false;

}



if (checkemail(form.email.value) < 0) {

  alert('Please Enter Valid Email ID');  

  form.email.focus();

  form.email.select()

  return false; 

}



if (isNumeric(pharea) == false || pharea.length != 3)

  {

  alert('Day phone number is a required field. Please enter a valid area code and valid phone number. Please try again.');

  form.dayphonearea.focus();

  form.dayphonearea.select();

  return false;

}



if (isNumeric(phday3) == false || phday3.length != 3)

  {

  alert('Day phone number is a required field. Please enter a valid phone number. Please try again.');

  form.dayphone3.focus();

  form.dayphone3.select();

  return false;

}

if (isNumeric(phday4) == false || phday4.length != 4)

  {

  alert('Day phone number is a required field. Please enter a  valid phone number. Please try again.');

  form.dayphone4.focus();

  form.dayphone4.select();

  return false;

}

if (phdayext != "" && (isNumeric(phdayext) == false))

  {

  alert('Please enter a valid Extension. Please try again.');

  form.dayphoneext.focus();

  form.dayphoneext.select();

  return false;

}



return true; 

}



function submitForm(form) {



  form.action = "thanks.asp";

  form.method = "post";

  form.submit();

}







//////////////////////////////////////////////////



<!-- Begin Popup Window

var win = null;

function newWindow(mypage,myname,w,h,features) {

  var winl = (screen.width-w)/2;

  var wint = (screen.height-h)/2;

  if (winl < 0) winl = 0;

  if (wint < 0) wint = 0;

  var settings = 'height=' + h + ',';

  settings += 'width=' + w + ',';

  settings += 'top=' + wint + ',';

  settings += 'left=' + winl + ',';

  settings += features;

  win = window.open(mypage,myname,settings);

  win.window.focus();

}

//  End -->