function checkval()
{
	//alert(document.getElementById('uname').value);
	if(document.getElementById('uname').value=="")
	{
		alert("naam should not be blank.")
		return false;
	}
	else if(document.getElementById('email1').value=="")
	{
		alert("email should not be blank.")
		return false;
	}
	else if(document.getElementById('email1').value.indexOf('@')==-1 || document.getElementById('email1').value.indexOf('.')==-1)
	{
		alert("invalid eamil address");
		return false;
	}
	else
	{
		return true;
	}
	
	
}