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("Invalid E-mail")
		  return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid E-mail")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid E-mail")
		   return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid E-mail")
		   return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid E-mail")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid E-mail")
		   return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid E-mail")
		   return false
		 }
		   return true	
}	

function validate_apply ()
{
    var errors=0;

    if ( document.OXDA_Appointment.fname.value == "" )
    {
        alert ( "Please specify your first name." );
        errors ++;
    }
	
    if ( document.OXDA_Appointment.lname.value == "" )
    {
        alert ( "Please specify your last name." );
        errors ++;
    } 
	
		 if ( document.OXDA_Appointment.phonenumber.value == "" )
    {
        alert ( "Please specify your phone number." );
       errors ++;
    }

	 if ( document.OXDA_Appointment.contact_method.value == "Please Select" )
    {
        alert ( "Please specify your prefered contact method." );
       errors ++;
    }
	
	if ( document.OXDA_Appointment.prefered_visit_day.value == "Please Select" )
    {
        alert ( "Please specify your prefered visit day." );
       errors ++;
    }
	
	if ( document.OXDA_Appointment.prefered_visit_month.value == "Please Select" )
    {
        alert ( "Please specify your prefered visit month." );
       errors ++;
    }
	
	if ( document.OXDA_Appointment.prefered_visit_time.value == "Please Select" )
    {
        alert ( "Please specify your prefered visit time." );
       errors ++;
    }

	 if ( document.OXDA_Appointment.details.value == "" )
    {
        alert ( "Please specify the purpose of your visit." );
       errors ++;
    }
	 
var emailID=document.OXDA_Appointment.email
	if (echeck(emailID.value)==false){
		emailID.value=""
		emailID.focus()
		valid = false;
		errors ++;
	}
	

     if(!errors)
   {

   document.OXDA_Appointment.submit();
   document.OXDA_Appointment.action='appointment.php';
   }
}
function validate_nonapply ( )
{
    var errors=0;

    if ( document.OXDA_Appointment.fname.value == "" )
    {
        alert ( "Please specify your first name." );
        errors ++;
    }
	
    if ( document.OXDA_Appointment.lname.value == "" )
    {
        alert ( "Please specify your last name." );
        errors ++;
    } 
	
		 if ( document.OXDA_Appointment.phonenumber.value == "" )
    {
        alert ( "Please specify your phone number." );
       errors ++;
    }
	
		 if ( document.OXDA_Appointment.contact_method.value == "Please Select" )
    {
        alert ( "Please specify your contact method." );
       errors ++;
    }
	
		if ( document.OXDA_Appointment.prefered_visit_day.value == "Please Select" )
    {
        alert ( "Please specify your prefered visit day." );
       errors ++;
    }
	
	if ( document.OXDA_Appointment.prefered_visit_month.value == "Please Select" )
    {
        alert ( "Please specify your prefered visit month." );
       errors ++;
    }
	
	if ( document.OXDA_Appointment.prefered_visit_time.value == "Please Select" )
    {
        alert ( "Please specify your prefered visit time." );
       errors ++;
    }

	 if ( document.OXDA_Appointment.details.value == "" )
    {
        alert ( "Please specify the purpose of your visit." );
       errors ++;
    }
var emailID=document.OXDA_Appointment.email
	if (echeck(emailID.value)==false){
		emailID.value=""
		emailID.focus()
		valid = false;
		errors ++;
	}
	

     if(!errors)
   {

   document.OXDA_Appointment.submit();
   
   }
}