// JavaScript Document
function CheckEmail(field)
{
if(field!='')
{


var emailStr = new String();
emailStr=field;
var emailPat=/^(.+)@(.+)$/;
var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]";
var validChars="\[^\\s" + specialChars + "\]";
var quotedUser="(\"[^\"]*\")";
var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
var atom=validChars + '+';
var word="(" + atom + "|" + quotedUser + ")";
var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
var matchArray=emailStr.match(emailPat);
if (matchArray==null) {
alert("Email address seems incorrect (check @ and .'s)");
return false;
exit;
}

var user=matchArray[1];
var domain=matchArray[2];
if (user.match(userPat)==null) {
alert("The username doesn't seem to be valid.");
return false;
exit;
}
var IPArray=domain.match(ipDomainPat);
if (IPArray!=null)
{
for (var i=1;i<=4;i++)
{
if (IPArray[i]>255)
{
alert("Destination IP address is invalid!");
//field.focus();
//field.select();
return false;
exit;c
}
}
return true;
}
var domainArray=domain.match(domainPat);
if (domainArray==null)
{
alert("The domain name doesn't seem to be valid.");
return false;
exit;
}
var atomPat=new RegExp(atom,"g");
var domArr=domain.match(atomPat);
var len=domArr.length;
if (domArr[domArr.length-1].length<2 ||
domArr[domArr.length-1].length>3)
{
// the address must end in a two letter or three letter word.
alert("The address must end in a three-letter domain, or two letter country.");
return false;
exit;
}
if (len<2)
{
var errStr="This address is missing a hostname!";
alert(errStr);
return false;
exit;
}
return true;
}
}//function CheckEmail - to check email address ends here.
function validate(frm)
{
  var phoneRE =  /\b(\d){3}-(\d){3}-(\d){4}\b/;
  var re = new RegExp(phoneRE);
  for(var i=0; i<=3; i++)
  {
    if(frm.elements[i].value=='')
    {
    alert('Please fill the '+frm.elements[i].name);
    frm.elements[i].focus();
    return false;
    }
  }
  
  if(frm.elements[4].value=='')
  {
    alert('Please fill the ContactPhone');
    frm.elements[4].focus();
    return false;
  }
  if(frm.elements[4].value.match(re)==null )
  {
    alert("Please enter the Phone No in proper format (111-111-1111)");
    return false;
  }
  if(frm.TimeToCall.value=="")
  {
    alert("Please select the best time to phone you.");
    return false;
  }
  if(frm.TimeZone.value=="")
  {
    alert("Please select your Time Zone.");
    return false;
  }
  if(frm.City.value=="")
  {
    alert("Please enter your city.");
    return false;
  }
  
  if(frm.State.value=="")
  {
    alert("Please select your state.");
    return false;
  }
  if(frm.MedicalProgram.value=="")
  {
    alert("Please select which medical program you are inquiring about.");
    return false;
  }
  if(frm.QuerySubject.value=="")
  {
    alert("Please select the subject of your query.");
    return false;
  }
  
  if(!CheckEmail(frm.elements[2].value))
  {
    frm.elements[2].focus();
    return false;
  }
  if(frm.elements[3].value != frm.elements[2].value)
  {
    alert('please enter same Email id');
    frm.elements[3].focus();
    return false;
  }
  if(!CheckEmail(frm.elements[3].value))
  {
    frm.elements[3].focus();
    return false;
  }
  //else
  return true;
}