function onloadFocus()
{	
	document.getElementById('txt_name').focus();
}
function validate_feedback(feedback)
{
	var frm = document.feedback;
	if(document.getElementById('txt_name').value=='')
	{
		alert('Please enter your name');
		document.getElementById('txt_name').focus();
		return false;
	}
	if(document.getElementById('txt_email').value=='')
	{
		alert('Please enter your email address');
		document.getElementById('txt_email').focus();
		return false;
	}
    if(EmailValidation(frm.txt_email)=='')
	{
		return false;
	}
	if(document.getElementById('question').value=='')
	{
		alert('Please enter your question');
		document.getElementById('question').focus();
		return false;
	}
	if(document.getElementById('txt_img').value=='')
	{
		alert('Please enter the code shown below');
		document.getElementById('txt_img').focus();
		return false;
	}
	
}