function check()
{
	var error = "";
	
	if(document.forms[0].os0.value == '')
	{	
		error += "Please Enter Name.\n";
	}
	if(document.forms[0].os1.value == '')
	{	
		error += "Please Enter Email Id.";	
	}

	if(error == "")
		return true;
	else
	{
		alert(error);
		return false;
	}
}