function checktxtbox()
 {
	 if(document.regform.early_number.value != "")
		{
				document.regform.standard_number.value = "";
				document.regform.standard_number.disabled=true;
				return true;
		}
		
 }
 
 function call_subm()
 {
	 	
		
		document.regform.action="registrationmail.php";
		document.regform.submit();
 }

function verify_regi()
 {
	
 		if(document.regform.title.value=='')
		{
			alert("Please enter Title!");
			document.regform.title.focus();
			return false;
		}
		
		if(document.regform.firstname.value=='')
		{			
			alert("Please enter First name!");
			document.regform.firstname.focus();
			return false;
		}
		
		if(document.regform.lastname.value=='')
		{
			alert("Please enter Last name!");
			document.regform.lastname.focus();
			return false;
		}
		
		if(document.regform.company.value=='')
		{			
			alert("Please enter Company!");
			document.regform.company.focus();
			return false;
		}
		
		if(document.regform.job.value=='')
		{
			alert("Please enter Job title/position!");
			document.regform.job.focus();
			return false;
		}
		
		if(document.regform.address.value=='')
		{			
			alert("Please enter Address!");
			document.regform.address.focus();
			return false;
		}
		
		if(document.regform.vat_country.value=='')
		{
			alert("Please Select Country!");
			document.regform.vat_country.focus();
			return false;
		}
		
		if(document.regform.zipcode.value=='')
		{			
			alert("Please enter Zip/Postcode!");
			document.regform.zipcode.focus();
			return false;
		}
		
		if(document.regform.telephone.value=='')
		{
			alert("Please enter Telephone!");
			document.regform.telephone.focus();
			return false;
		}
		
		if(document.regform.fax.value=='')
		{			
			alert("Please enter Fax!");
			document.regform.fax.focus();
			return false;
		}
		
		if(document.regform.email.value=='')
		{
			alert("Please enter Email!");
			document.regform.email.focus();
			return false;
		}
		
		if(!isEmail(document.regform.email.value))
		{
			alert ("Please Enter Proper Email!");			
			document.regform.email.focus();
			return false;
		}
		
		/*if(document.regform.early_number.value=='' && document.regform.standard_number.value=='')
		{
			alert("Please enter EARLY BOOKING RATE or STANDARD BOOKING RATE!");
			document.regform.early_number.focus();
			return false;
		}*/
		
		/*
		 *if(document.regform.early_number.value!='' || document.regform.standard_number.value!='')
		{
			if((isNaN(document.regform.early_number.value) && document.regform.standard_number.value == ""))
			{
				
				alert("Please enter Numeric EARLY BOOKING RATE!");
				document.regform.early_number.value = "";
				document.regform.early_number.focus();
				return false;
			}
			if((isNaN(document.regform.standard_number.value) && document.regform.early_number.value == ""))
			{
				
				alert("Please enter Numeric STANDARD BOOKING RATE!");
				document.regform.standard_number.value = '';
				document.regform.standard_number.focus();
				return false;
			}
			if(document.regform.early_number.value!='' && document.regform.standard_number.value!='')
			{
			  if(isNaN(document.regform.early_number.value))
			  {
				alert("Please enter Numeric EARLY BOOKING RATE!");
				document.regform.early_number.value = "";
				document.regform.early_number.focus();
				return false; 
			  }
			  if(isNaN(document.regform.standard_number.value))
			  {
				
				alert("Please enter Numeric STANDARD BOOKING RATE!");
				document.regform.standard_number.value = '';
				document.regform.standard_number.focus();
				return false;
			  }
		    }
		}
		 */
		if(document.regform.standard_number.value!='')
		{
			
			if(isNaN(document.regform.standard_number.value))
			{
				
				alert("Please enter Numeric STANDARD BOOKING RATE!");
				document.regform.standard_number.value = '';
				document.regform.standard_number.focus();
				return false;
			}
			
		}
		else
		{
			alert("Please enter STANDARD BOOKING RATE!");
			document.regform.standard_number.focus();
			return false;
				
		}
		
     /////////////////// radio button validation	/////////////////////////////
		var myOption = -1;
			
			for (i=document.regform.paymentby.length-1; i > -1; i--) 
			{
			  if (document.regform.paymentby[i].checked) 
			  {
			   myOption = i; i = -1;
			  }
			}
			if (myOption == -1) 
			{
			  alert("Please select one of Payment Method!");
			  document.regform.paymentby[0].focus();
			  return false;
		    }
    //////////////////////////////////////////////////////////////////////////////
			
	if(document.regform.terms_condition.checked==false)
	{
		alert("Are you agree with terms & conditions? Please check checkbox!");
	    document.regform.terms_condition.focus();
		return false;
	}
	return true;
 }
 function disable_stan()
 {
	 	
		if(document.regform.early_number.value == "")
		{
				
				document.regform.standard_number.disabled=false;
				return true;
		}
		document.regform.standard_number.disabled = true;
		
 }
 function disable_early()
 {
	 	
		if(document.regform.standard_number.value == "")
		{
				document.regform.early_number.disabled=false;
				return true;
		}
		document.regform.early_number.disabled=true;
		
 }