function checkForm()
{

if(document.getElementById('username').value=='')
	{
	
	document.getElementById('err_mess').innerHTML="";
		document.getElementById('username_err').innerHTML="Please enter User Name.";
		document.getElementById('username').focus();
		return false;
		
	}
	else
		
	{
		
				
	}

if(document.getElementById('password').value=='')
	{
	document.getElementById('err_mess').innerHTML="";
		document.getElementById('password_err').innerHTML="Please enter Password.";
		document.getElementById('password').focus();
		return false;
	}
	else
	{
		re=/[<>].*/;
			if(re.test(document.getElementById("password").value))
				{
				document.getElementById('err_mess').innerHTML="";
					document.getElementById('password_err').innerHTML="Please enter valid Password.";
					return false;
				}
	}

}
	

function clearspan_admin()
{
	if(document.getElementById('username').value!='')
	{
		document.getElementById('username_err').innerHTML="";
		
		
	}
	if(document.getElementById('password').value!='')
	{
		document.getElementById('password_err').innerHTML="";
		
		
	}
}