function login_validtion()
{
	document.getElementById('error_username').innerHTML = "";
	document.getElementById('error_password').innerHTML = "";
	if(document.getElementById('username').value.search(/\S/) == -1)
	{
		document.getElementById('error_username').innerHTML = "Please Enter Username";
		document.getElementById('username').focus();
		return false;
	}
	if(document.getElementById('password').value.search(/\S/) == -1)
	{
		document.getElementById('error_password').innerHTML = "Please Enter Password";
		document.getElementById('password').focus();
		return false;
	}
}