function checkfield(loginform)
{
	ok=true

	var chek=document.getElementById("hiddenvalue").value;
   	if(loginform.name.value=="")
	{
		alert("Please Enter Your Name.")
		loginform.name.focus()
		ok=false
	}
   
	else if (loginform.email.value == "")
	{
		alert("Please enter a value for the email field.");
		loginform.email.focus();
		ok=false
	}
	else if (!isEmailAddr(loginform.email.value))
	{
		alert("Please enter a complete email address in the form: yourname@yourdomain.com");
		loginform.email.focus();
		ok=false
	}
	
		else if(loginform.address.value=="")
	{
		alert("Please Enter Your Address.")
		loginform.address.focus()
		ok=false
	}
	else if(loginform.tel_no.value=="")
	{
		alert("Please Enter Contact No.")
		loginform.tel_no.focus()
		ok=false
	}
	else if (loginform.adults.value=="")
	{
	alert("Please Enter No of Adults");
	loginform.adults.focus();
	ok=false;
	}
	
	else if(loginform.t_date.value=="")
	{
		alert("Please Enter Date Of Travel.")
		loginform.t_date.focus()
		ok=false
	}
	
	
	else if(loginform.detail_info.value=="")
	{
		alert("Please Specify the description.")
		loginform.detail_info.focus()
		ok=false
	}
	else if(loginform.validation.value=="")
	{
		alert("Please Enter The Validation code.")
		loginform.validation.focus()
		ok=false
	}
	
	else if(loginform.validation.value!=chek)
	{
		alert("Please Enter The Validation code for the proper mail functioning.")
		loginform.validation.focus()
		ok=false
	}
	return ok
}
function isEmailAddr(email)
{
  var result = false
  var theStr = new String(email)
  var index = theStr.indexOf("@");
  if (index > 0)
  {
	var pindex = theStr.indexOf(".",index);
	if ((pindex > index+1) && (theStr.length > pindex+1))
	result = true;
  }
  return result;
}

function ValidateNum(input,event)
	{
			var keyCode = event.which ? event.which : event.keyCode;
			if(parseInt(keyCode)>=48 && parseInt(keyCode)<=57)
			{
				return true;
			}
			return false;
	}
/////////////////////////////////////////////////////////////////////////

function get_random()
{

    var xx=null;
	var yy='xzc';
	
	xx=Math.floor(Math.random()*9);
	return xx;
	
}
function lockcode()
{
var zz=new Array();
			
			 zz[0]=get_random();
			 zz[1]=get_random();
			 zz[2]=get_random();
			 zz[3]=get_random();
			 
			var xx=""+zz[0]+zz[1]+zz[2]+zz[3];
			
			document.write('<input type=hidden  name=hiddenvalue id=hiddenvalue value='+xx+' />');
			document.write('<img height=20 width=20 src=image/'+zz[0]+'.png /><img height=20 width=20 src=image/'+zz[1]+'.png /><img height=20 width=20 src=image/'+zz[2]+'.png /><img  height=20 width=20 src=image/'+zz[3]+'.png />');
			
}