// To open a popup window
function MM_openBrWindow(theURL,winName,features) {
  window.open(theURL,winName,features);
}

// Newsletter Subscription Form
function Newsletter() {
  	mailid = document.newsMail.email
	if (mailid.value == '')
	{
		alert("Please enter E-mail Id");
		mailid.focus()
		return false
	}
	else if (mailid.value.indexOf("@")==-1 || mailid.value.indexOf(".")==-1){
		alert("Invalid E-mail ID")
		mailid.focus()	   
		return false
	}
}


// Feedback form validation
function Feedback() {

	firstName = document.fbForm.txtFirstname
	if (firstName.value == "" || !isNaN(firstName.value))
	{
		alert("Please enter your first name");
		firstName.focus()
		return false		
	}

	lastName = document.fbForm.txtlastname
	if (lastName.value == "" || !isNaN(lastName.value))
	{
		alert("Please enter your last name");
		lastName.focus()
		return false		
	}

	mailid = document.fbForm.txtemail
	if (mailid.value == '')
	{
		alert("Please enter E-mail Id");
		mailid.focus()
		return false
	}
	else if (mailid.value.indexOf("@")==-1 || mailid.value.indexOf(".")==-1){
		alert("Invalid E-mail ID")
		mailid.focus()	   
		return false
	}

	age = document.fbForm.cmbAgeRange
	if (age.options[age.selectedIndex].value == "")
	{
		alert("Please select your age group");
	age.focus()
	return false		
	}	

	sportsAct = document.fbForm.txtsports
	if (sportsAct.value != "" && !isNaN(sportsAct.value))
	{
		alert("Please enter Sports Activities");
		sportsAct.focus()
		return false		
	}

	comments = document.fbForm.txtComments
	if (comments.value == "" || !isNaN(comments.value))
	{
		alert("Please add your comments");
		comments.focus()
		return false		
	}	
	if (document.fbForm.uword.value=="" )
	{
	alert('Enter the code as it is shown');
	document.fbForm.uword.focus();
	return false;
	}
	return jcap();
	
	
}





// Appointments form validation
function Appointment()
{
if (document.frmAppointment.txtFirstName.value=="" || !isNaN(document.frmAppointment.txtFirstName.value))
	{
	alert('Enter FirstName');
	document.frmAppointment.txtFirstName.focus();
	return false;
	}
	
if (document.frmAppointment.txtSurname.value=="" || !isNaN(document.frmAppointment.txtSurname.value))
	{
	alert('Enter Surname');
	document.frmAppointment.txtSurname.focus();
	return false;
	}
	
if (document.frmAppointment.txtaddress.value == "" )
	{
	alert('Enter your address');
	document.frmAppointment.txtaddress.focus();
	return false;
	}	

if (document.frmAppointment.txtCity.value == "" )
	{
	alert('Enter your City');
	document.frmAppointment.txtCity.focus();
	return false;
	}

if (document.frmAppointment.txtState.value == "" )
	{
	alert('Enter your State');
	document.frmAppointment.txtState.focus();
	return false;
	}
	
if (document.frmAppointment.txtZip.value == "" )
	{
	alert('Enter the Postal zip number');
	document.frmAppointment.txtZip.focus();
	return false;
	}


if (document.frmAppointment.txtemail.value=="")
	{
	alert('Enter Email Address');
	document.frmAppointment.txtemail.focus();
	return false;
	}
	else if (document.frmAppointment.txtemail.value.indexOf("@")==-1 || document.frmAppointment.txtemail.value.indexOf(".")==-1){
		alert("Invalid E-mail ID")
		document.frmAppointment.txtemail.focus()	   
		return false
	}	

if (document.frmAppointment.txthear.value == "" )
	{
	alert('How did u hear about us');
	document.frmAppointment.txthear.focus();
	return false;
	}


if (document.frmAppointment.txtPhone.value == "" )
	{
	alert('Enter Home Phone No.');
	document.frmAppointment.txtPhone.focus();
	return false;
	}
	
if (document.frmAppointment.txtinsurance.value == "" )
	{
	alert('What is your Insurance');
	document.frmAppointment.txtinsurance.focus();
	return false;
	}	
	
	
	
if (document.frmAppointment.uword.value=="" )
	{
	alert('Enter the code as it is shown');
	document.frmAppointment.uword.focus();
	return false;
	}
	return jcap();
	
}




//Random Images

                function getCookie(c_name)
                {
                if (document.cookie.length>0)
                  {
                  c_start=document.cookie.indexOf(c_name + "=")
                  if (c_start!=-1)
                    {
                    c_start=c_start + c_name.length+1
                    c_end=document.cookie.indexOf(";",c_start)
                    if (c_end==-1) c_end=document.cookie.length
                    return unescape(document.cookie.substring(c_start,c_end))
                    }
                  }
                return null
                }

                function randImagesCookie()
                {
                        if(getCookie('name')==null || getCookie('name')=="NaN")
                        {
                                document.cookie="name"+"="+1;
                        }
                        var cimgnum=getCookie('name');
                        if(cimgnum >= 4) {
                                var simgnum=1;
                        } else {
                                var simgnum=parseInt(cimgnum)+1;
                        }
						
						for(i=1; i<=4; i++)
						{
						
	                        var imagename = "cori_header_"+simgnum+"_"+i
	                        document.cookie="name"+"="+simgnum;

							var tmp = eval("document.getElementById('index"+i+"')")
    	                    var picPath="images/"+imagename+".jpg";
	                        tmp.style.backgroundImage="url('"+picPath+"')";
						}
                }





// BMI Calculator

function mod(div,base) 
{
	return Math.round(div - (Math.floor(div/base)*base));
}

function calcBmi() 
{
var w = document.bmi.weight.value * 1;
var HeightFeetInt = document.bmi.htf.value * 1;
var HeightInchesInt = document.bmi.hti.value * 1;
HeightFeetConvert = HeightFeetInt * 12;
h = HeightFeetConvert + HeightInchesInt;
displaybmi = (Math.round((w * 703) / (h * h)));
var rvalue = true;
	if ( (w <= 35) || (w >= 999)  || (h <= 48) || (h >= 120) ) 
	{
		alert ("Invalid data.  Please check and re-enter!");
		rvalue = false;
	}
	
	if (rvalue) 
	{
		if (HeightInchesInt > 11) 
		{
			reminderinches = mod(HeightInchesInt,12);
			document.bmi.hti.value = reminderinches;
			document.bmi.htf.value = HeightFeetInt + 
			((HeightInchesInt - reminderinches)/12);
			document.bmi.answer.value = displaybmi;
		}
		document.bmi.answer.value = displaybmi; 
	}
		return rvalue;
}




// Contact Us form validation
function Contactus() {
	
	firstName = document.cuForm.txtName
	if (firstName.value == "" || !isNaN(firstName.value))
	{
		alert("Please enter your first name");
		firstName.focus()
		return false		
	}

	mailid = document.cuForm.txtEmail
	if (mailid.value == '')
	{
		alert("Please enter E-mail Id");
		mailid.focus()
		return false
	}
	else if (mailid.value.indexOf("@")==-1 || mailid.value.indexOf(".")==-1){
		alert("Invalid E-mail ID")
		mailid.focus()	   
		return false
	}

	comments = document.cuForm.txtMessage
	if (comments.value == "" || !isNaN(comments.value))
	{
		alert("Please add your comments");
		comments.focus()
		return false		
	}	
	if (document.cuForm.uword.value=="" )
	{
	alert('Enter the code as it is shown');
	document.cuForm.uword.focus();
	return false;
	}
	return jcap();
	
	
}




// Contact Us form validation
function optifast() {
	
	firstName = document.optiForm.txtName
	if (firstName.value == "" || !isNaN(firstName.value))
	{
		alert("Please enter your first name");
		firstName.focus()
		return false		
	}

	phone = document.optiForm.txttelephone
	if (phone.value == "")
	{
		alert("Please Enter Telephone Number");
		phone.focus()
		return false
	}
	
	mailid = document.optiForm.txtEmail
	if (mailid.value == '')
	{
		alert("Please enter E-mail Id");
		mailid.focus()
		return false
	}
	else if (mailid.value.indexOf("@")==-1 || mailid.value.indexOf(".")==-1){
		alert("Invalid E-mail ID")
		mailid.focus()	   
		return false
	}
	

	comments = document.optiForm.txtMessage
	if (comments.value == "" || !isNaN(comments.value))
	{
		alert("Please add your comments");
		comments.focus()
		return false		
	}	
	if (document.optiForm.uword.value=="" )
	{
	alert('Enter the code as it is shown');
	document.optiForm.uword.focus();
	return false;
	}
	return jcap();
	
	
}


// Seminar form validation
function Seminar() {

firstName = document.frmSeminar.txtFirstName
	if (firstName.value == "" || !isNaN(firstName.value))
	{
		alert("Please enter your first name");
		firstName.focus()
		return false		
	}
	
lastname = document.frmSeminar.txtLastname
	if (lastname.value == "" || !isNaN(lastname.value))
	{
		alert("Please enter your last name");
		lastname.focus()
		return false		
	}
	
address = document.frmSeminar.txtaddress
	if (address.value == "")
	{
		alert("Please enter Address");
		address.focus()
		return false		
	}	

city = document.frmSeminar.txtCity
	if (city.value == "" || !isNaN(city.value))
	{
		alert("Please enter City Name");
		city.focus()
		return false		
	}
	
state = document.frmSeminar.txtState
	if (state.value == "" || !isNaN(state.value))
	{
		alert("Please enter State Name");
		state.focus()
		return false		
	}	
	
zip = document.frmSeminar.txtZip
	if (zip.value == "" || isNaN(zip.value))
	{
		alert("Please enter Zip");
		zip.focus()
		return false		
	}



	
mailid = document.frmSeminar.txtemail
	if (mailid.value == '')
	{
		alert("Please enter E-mail Id");
		mailid.focus()
		return false
	}
	else if (mailid.value.indexOf("@")==-1 || mailid.value.indexOf(".")==-1){
		alert("Invalid E-mail ID")
		mailid.focus()	   
		return false
	}
	
hear = document.frmSeminar.txthear
	if (hear.value == "")
	{
		alert("How did you Hear About Us");
		hear.focus()
		return false
	}


seminardates = document.frmSeminar.cmbDates
	if (seminardates.options[seminardates.selectedIndex].value == "")
	{
		alert("Please select the Seminar date");
	seminardates.focus()
	return false		
	}
	
	
phonenumber = document.frmSeminar.txtPhone
	if (phonenumber.value == "")
	{
		alert("Please enter your phone number");
		phonenumber.focus()
		return false
	}


Insurance = document.frmSeminar.txtinsurance
	if (Insurance.value == "")
	{
		alert("Enter your Insurance type");
		Insurance.focus()
		return false
	}


	

uword = document.frmSeminar.uword
	if (uword.value == "")
	{
		alert("Please enter the verification code");
		uword.focus()
		return false		
	}
	
		return jcap();	

}




//Question form validation
function Question() {
	
	firstName = document.question.txtName
	if (firstName.value == "" || !isNaN(firstName.value))
	{
		alert("Please enter your first name");
		firstName.focus()
		return false		
	}



	mailid = document.question.txtEmail
	if (mailid.value == '')
	{
		alert("Please enter E-mail Id");
		mailid.focus()
		return false
	}
	
		Phone = document.question.txtphone
	if (Phone.value == "")
	{
		alert("Please enter your Phone Numeber");
		Phone.focus()
		return false		
	}
	
	
			Message = document.question.txtMessage
	if (Message.value == "")
	{
		alert("Please enter your Message");
		Message.focus()
		return false		
	}
	
	
	
}