function IsEmail (objEmailString)
{
    // Email address must be of form a@b.c
    // * there must be at least one character before the @
    // * there must be at least one character before and after the .
    // * the characters @ and . are both required

    // there must be >= 1 character before @, so we
    // start looking at character position 1 
    // (i.e. second character)

	var s = objEmailString.value;
	var i = 1;
    var sLength = s.length;

    // look for @
    while ((i < sLength) && (s.charAt(i) != "@"))
    {
		i++
    }

    if ((i >= sLength) || (s.charAt(i) != "@")) return false;
    else i += 2;

    // look for .
    while ((i < sLength) && (s.charAt(i) != "."))
    { i++
    }

    // there must be at least one character after the .
    if ((i >= sLength - 1) || (s.charAt(i) != ".")) return false;
    else return true;
}

function isEmpty(s)
{
	return ((s == null) || (s.length == 0))
}

function IsNothing (s)
{
	if (s == null)
			return false
	
	var i;
     // whitespace characters
     var whitespace = " \t\n\r";
  	 var str = s.value;
     // Is s empty?
     if (isEmpty(str))
	 {	
	 	return false;
	 }

     for (i = 0; i < str.length; i++)
     {
          // Check that current character isn't whitespace.
          var c = str.charAt(i);

          if (whitespace.indexOf(c) == -1) return true;
     }

     // All characters are whitespace.
     return false;
}

function register()
  {

	var frmRegister;
	msg = '';
	value=true;
	//bipolar=false;
	var firstName = document.getElementById('txtFirstName');
	var LastName = document.getElementById('txtLastName');
	var Email = document.getElementById('txtEmail');
	var ConfirmEmail = document.getElementById('txtConfEmail');
	var Address1 = document.getElementById('txtAddress1');
	var City = document.getElementById('txtCity');
	var State = document.getElementById('slctState');
	var Zip = document.getElementById('txtZip');
	var security = document.getElementById('security');

//for text box
	if (firstName.value == "")
	{
		//alert('in first name');
		msg = msg + "\nFirst Name cannot be blank."
		value = false;
	}


	if (LastName.value == "")
	{
		msg = msg + "\nLast Name cannot be blank."
		value = false;
	}

//for Email validation		
	if (IsNothing(Email) == false) 
	{
		msg = msg + "\nEmail Address cannot be blank."
		value = false;
	}
	else
	{
		if ((IsEmail(Email) == false)) 
		{
			msg = msg + "\nPlease Enter The Valid Email Address."
			value = false;
		}
	}

//for confirmed Email
	 if (Email.value!=ConfirmEmail.value) 
	{   msg = msg + "\nPlease ensure that the two E-mail addresses are the same"
		value = false;
    }

	if (Address1.value == "" )
	{
		msg = msg + "\nAddress cannot be blank."
		value = false;
	}

	if (City.value == "" )
	{
		msg = msg + "\nCity cannot be blank."
		value = false;
	}

//for drop down	
	if (State.value == "0" )
	{
		msg = msg + "\nPlease select the State."
		value = false;
	} 
	
	if (Zip.value == "" )
	{
		msg = msg + "\nZip Code cannot be blank."
		value = false;
	}

//for radio buttton

 if ( ( document.frmRegister.grpDisease[0].checked == false ) && ( document.frmRegister.grpDisease[1].checked == false ) && ( document.frmRegister.grpDisease[2].checked == false )  )
        {
               msg = msg + "\nPlease choose your key area of interest.";
                value = false;
        }
		
		

			if (security.value == ""){
				msg += "\nVerification word empty\n";
						value = false;
				} else
				{
		
    			if (security.value.toUpperCase() != ccword[cc].toUpperCase()){
    				msg += "\nVerification word incorrect\n";
							value = false;
							}
				}								


if (value == false)
		{
			alert(msg);
		}
	else
		{	
			document.frmRegister.submit();

		}

}
// end of validation for the form


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_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_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=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); 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];}
}