function postData(){
var con_name = $('#con_name');
	var con_email = $('#con_email');
	var con_phone = $('#con_phone');
	var help = $('#help');
	var security_codside = $('#security_codside');
	
	if(con_name.val() =='')
	{
		alert("Please enter your name");
		con_name.focus();
		return false;
	}else if(con_email.val() =='')
	{
		alert("Please enter email");
		con_email.focus();
		return false;
	}else if(emailCheck(con_email.val()) == false)
	{
		alert("Please enter correct email");
		con_email.focus();
		return false;
	}else if(con_phone.val() =='')
	{
		alert("Please enter phone number");
		con_phone.focus();
		return false;
	}else if(help.val() =='')
	{
		alert("Please enter your comments");
		help.focus();
		return false;
		
		}else if(security_codside.val() =='')
	{
		alert("Please enter security code");
		security_codside.focus();
		return false;
		
	}else{			
		var datasent='';
		datasent='con_name='+con_name.val()+'&con_email='+con_email.val()+'&con_phone='+con_phone.val()+'&help='+help.val()+'&security_codside='+security_codside.val();
		//alert(datasent);
		$.post('contact_mail.php?'+datasent,function(data){
		//alert(data);
			if(data=='err'){					
					$('#contact_div').val('Error to send mail');
			}else{
					$('#contact_div').html(data).fadeIn(500);	
			}

		});
}
	
return false;
}