// JavaScript Document

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 ID")
		   return false
		}

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

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

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

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

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

 		 return true					
	}
	
	function ValidateForm(){
	var emailID=document.getElementById('email');
	
	if ((emailID.value==null)||(emailID.value=="")){
		alert("Please Enter your Email ID")
		emailID.focus()
		return false
	}
	if (echeck(emailID.value)==false){
		emailID.value=""
		emailID.focus()
		return false
	}
	return true
 }
	
function validate()
{
if(document.getElementById('name').value=='')
{
alert('Please Enter Nmae');
document.getElementById('name').focus();
return false;

}

if(document.getElementById('country').value=='')
{
alert('Please Select Country');
document.getElementById('country').focus();
return false;
}

if(document.getElementById('zipcode').value=='')
{
alert('Please Enter Zipcode');
document.getElementById('zipcode').focus();
return false;
}
if(isInteger(document.getElementById('zipcode').value)==false)
{
alert("Please Enter Valid Zipcode");
document.getElementById('zipcode').value='';
document.getElementById('zipcode').focus();
return false;

}
if(document.getElementById('email').value=='')
{
alert('Please Enter Email');
document.getElementById('email').focus();
return false;
}
var x=ValidateForm();
if(x==false)
return false;


if(document.getElementById('phone').value=='')
{
alert('Please Enter Phone No.');
document.getElementById('phone').focus();
return false;
}
if(isInteger(document.getElementById('phone').value)==false)
{
alert("Please Enter Valid Phone No.");
document.getElementById('phone').value='';
document.getElementById('phone').focus();
return false;

}
if(document.getElementById('mobile').value=='')
{
alert('Please Enter Mobile No.');
document.getElementById('mobile').focus();
return false;

}
if(isInteger(document.getElementById('mobile').value)==false)
{
alert("Please Enter Valid Mobile No.");
document.getElementById('mobile').value='';
document.getElementById('mobile').focus();
return false;

}
if(document.getElementById('comments').value=='')
{
alert('Please Enter comment');
document.getElementById('comments').focus();
return false;

}

return true;

}


function isInteger(s)
{
      var i;
	s = s.toString();
      for (i = 0; i < s.length; i++)
      {
         var c = s.charAt(i);
         if (isNaN(c)) 
	   {
	
		return false;
	   }
      }
      return true;
}