function handleEnter (field, event) {
		var keyCode = event.keyCode ? event.keyCode : event.which ? event.which : event.charCode;
		if (keyCode == 13) {
			var i;
			for (i = 0; i < field.form.elements.length; i++)
				if (field == field.form.elements[i])
					break;
			i = (i + 1) % field.form.elements.length;
			field.form.elements[i].focus();
			return false;
		} 
		else
		return true;
	}      


function ValidateForm(){

if (document.form1.txtName.value < 1)
	{
		alert("Please enter your name");
		document.form1.txtName.focus();
		return false;
	}
else if (!(isNaN(document.form1.txtName.value)))
	{
		alert("Sorry, Name cannot be a number");
		document.form1.txtName.focus();
		return false;
		
	}

	 

if (document.form1.txtPhone && document.form1.txtPhone.value <1)
	{
		alert("Please enter your Mobile Number")	
		document.form1.txtPhone.focus();
		return false;
	}
else if (document.form1.txtPhone && (isNaN(document.form1.txtPhone.value)))
	{
		alert("Sorry, Mobile number must be a number");
		document.form1.txtPhone.focus();
		return false;
		
	}

var emailID=document.form1.txteAddress
	
if (document.form1.txteAddress.value < 1)
	{
		alert("Please Enter your Email ID")
		document.form1.txteAddress.focus();
		return false;
	}

if (echeck(emailID.value)==false){
		emailID.value=""
		emailID.focus()
		return false;
		}

if (document.form1.txtSubject && document.form1.txtSubject.value <1)
	{
		alert("Please enter subject field")	
		document.form1.txtSubject.focus();
		return false;
	}
if (document.form1.txtComments && document.form1.txtComments.value <1)
	{
		alert("Please enter in Message Box to email us your Message")
		document.form1.txtComments.focus();
		return false;
	}
		return true;
}
function Validatebook(){
if (document.getElementById('cat').value =="0")
	{
		alert("Please select Category")
		document.getElementById('cat').focus();
		return false;
	}

if (document.getElementById('telno').value < 1)
	{
		alert("Please enter your Telephone Number");
		document.getElementById('telno').focus();
		return false;
	}
else if ((isNaN(document.getElementById('telno').value)))
	{
		alert("Sorry, Telephone must be a number");
		document.getElementById('telno').focus();
		return false;
		
	}
if (document.getElementById('inpdate').value < 1)
	{
		alert("Please enter Date");
		document.getElementById('inpdate').focus();
		return false;
	}
	if (document.getElementById('pax').value < 1)
	{
		alert("Please enter Number of Pax");
		document.getElementById('pax').focus();
		return false;
	}
	else if ((isNaN(document.getElementById('pax').value)))
	{
		alert("Sorry, Pax must be a number");
		document.getElementById('pax').focus();
		return false;
		
	}
  
		return true;
}

function Validatebook2(){
	if (document.getElementById('texname').value < 1)
	{
		alert("Please enter your Name");
		document.getElementById('texname').focus();
		return false;
	}
else if (!(isNaN(document.getElementById('texname').value)))
	{
		alert("Sorry, Name cannot be a number");
		document.getElementById('texname').focus();
		return false;
		
	}
	
var emailID=document.getElementById('texemail')
	
if (document.getElementById('texemail').value < 1)
	{
		alert("Please Enter your Email ID")
		document.form1.txteAddress.focus();
		return false;
	}

if (echeck(emailID.value)==false){
		emailID.value=""
		emailID.focus()
		return false;
		}
		if (document.getElementById('texposition').value < 1)
	{
		alert("Please enter your Position");
		document.getElementById('texposition').focus();
		return false;
	}
if (document.getElementById('cat').value =="0")
	{
		alert("Please select Category")
		document.getElementById('cat').focus();
		return false;
	}

if (document.getElementById('telno').value < 1)
	{
		alert("Please enter your Telephone Number");
		document.getElementById('telno').focus();
		return false;
	}
else if ((isNaN(document.getElementById('telno').value)))
	{
		alert("Sorry, Telephone must be a number");
		document.getElementById('telno').focus();
		return false;
		
	}
if (document.getElementById('inpdate').value < 1)
	{
		alert("Please enter Date");
		document.getElementById('inpdate').focus();
		return false;
	}
	if (document.getElementById('pax').value < 1)
	{
		alert("Please enter Number of Pax");
		document.getElementById('pax').focus();
		return false;
	}
	else if ((isNaN(document.getElementById('pax').value)))
	{
		alert("Sorry, Pax must be a number");
		document.getElementById('pax').focus();
		return false;
		
	}
  
		return true;
}

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 Correct Email Address")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Please Enter a Correct Email Address")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Please Enter a Correct Email Address")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Please Enter a Correct Email Address")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Please Enter a Correct Email Address")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Please Enter a Correct Email Address")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Please Enter a Correct Email Address")
		    return false
		 }

 		 return true					
	}