window.onLoad = setTimeout( check_hints, 3500 );

function check_hints()
{
	if ( document.getElementById( "input_login" ) )
	{
		var input_login = document.getElementById( "input_login" );
		input_login.className = ( input_login.value + "" == "" ? "texto hint_login" : "texto" );
	}
	
	if ( document.getElementById( "input_senha" ) )
	{
		var input_senha = document.getElementById( "input_senha" );
		input_senha.className = ( input_senha.value + "" == "" ? "texto hint_senha" : "texto" );
	}
}

document.getElementsByClassName = function( clsName )
{
    var retVal = new Array();
    var elements = document.getElementsByTagName( "*" );
    
	for ( var i = 0; i < elements.length; i++ )
	{
        if ( elements[i].className.indexOf(" ") >= 0 )
		{
            var classes = elements[i].className.split( " " );
            
			for ( var j = 0; j < classes.length; j++ )
			{
                if ( classes[j] == clsName )
				{
					retVal.push( elements[i] );
				}
            }
        }
        else if ( elements[i].className == clsName )
		{
			retVal.push( elements[i] );
		}
    }
	
	return retVal;
}