function ValidateForm ( )
{
    valid = true;

    if ( document.CForm.firstname.value == "" )
    {
        alert ( "Please enter your first name." );
        valid = false;
    }

      if ( document.CForm.lastname.value == "" )
    {
        alert ( "Please enter your last name." );
        valid = false;
    }
    
     if ( document.CForm.phone.value == "" )
    {
        alert ( "Please enter your telephone number." );
        valid = false;
    }

 if ( document.CForm.email.value == "" )
    {
        alert ( "Please enter your email." );
        valid = false;
    }




  var iChars = "@#$%^&*+=[]\\;/{}|\":<>";

  for (var i = 0; i < document.CForm.firstname.value.length; i++) {
  	if (iChars.indexOf(document.CForm.firstname.value.charAt(i)) != -1) {
  	alert ("Your frist name has special characters. \nThese are not allowed.\n Please remove them and try again.");
  	return false;
  	}
  }

 for (var i = 0; i < document.CForm.lastname.value.length; i++) {
  	if (iChars.indexOf(document.CForm.lastname.value.charAt(i)) != -1) {
  	alert ("Your last name has special characters. \nThese are not allowed.\n Please remove them and try again.");
  	return false;
  	}
  }

 

 for (var i = 0; i < document.CForm.address.value.length; i++) {
  	if (iChars.indexOf(document.CForm.address.value.charAt(i)) != -1) {
  	alert ("Your street name has special characters. \nThese are not allowed.\n Please remove them and try again.");
  	return false;
  	}
  }

  for (var i = 0; i < document.CForm.city.value.length; i++) {
  	if (iChars.indexOf(document.CForm.city.value.charAt(i)) != -1) {
  	alert ("Your city name has special characters. \nThese are not allowed.\n Please remove them and try again.");
  	return false;
  	}
  }

for (var i = 0; i < document.CForm.state.value.length; i++) {
  	if (iChars.indexOf(document.CForm.state.value.charAt(i)) != -1) {
  	alert ("Your state name has special characters. \nThese are not allowed.\n Please remove them and try again.");
  	return false;
  	}
  }


for (var i = 0; i < document.CForm.zip.value.length; i++) {
  	if (iChars.indexOf(document.CForm.zip.value.charAt(i)) != -1) {
  	alert ("Your zip code has special characters. \nThese are not allowed.\n Please remove them and try again.");
  	return false;
  	}
  }

  
  
  for (var i = 0; i < document.CForm.phone.value.length; i++) {
  	if (iChars.indexOf(document.CForm.phone.value.charAt(i)) != -1) {
  	alert ("Your telephone number has special characters. \nThese are not allowed.\n Please remove them and try again.");
  	return false;
  	}
  }




function echeck(str) {
  var at="@"
  var dot="."
  var lat=str.indexOf(at)
  var lstr=str.length
  var ldot=str.indexOf(dot)
  if (str.indexOf(at)==-1){
     alert("Please enter a valid email")
     return false
  }
  if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
     alert("Please enter a valid email")
     return false
  }
  if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
      alert("Please enter a valid email")
      return false
  }
   if (str.indexOf(at,(lat+1))!=-1){
      alert("Please enter a valid email")
      return false
   }
   if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
      alert("Please enter a valid email")
      return false
   }
   if (str.indexOf(dot,(lat+2))==-1){
      alert("Please enter a valid email")
      return false
   }
   if (str.indexOf(" ")!=-1){
      alert("Please enter a valid email")
      return false
   }
   return true          
}


  var emailID=document.CForm.email
  
 
  if (echeck(emailID.value)==false){
    emailID.value=""
    emailID.focus()
    return false
  }




    return true;
}