function irapagina( url ) {
	window.location.href = url;
}

style="border-left: 1px solid #F5F5F5; border-right: 1px solid #000000; border-top: 1px solid #F5F5F5; border-bottom: 1px solid #000000">

function botones( ref_celda, over_si_no, estilo_celda ) {
	if ( over_si_no ) {
		switch ( estilo_celda ) {
			case 1:
				ref_celda.style.backgroundColor = '#FFEB16';
				ref_celda.getElementsByTagName( 'a' )[0].style.color = '#000000';
				break;
			case 2:
                                ref_celda.style.borderLeft = ref_celda.style.borderTop = '1px solid white';
                                ref_celda.style.borderRight = ref_celda.style.borderBottom = '1px solid black'
				ref_celda.style.backgroundColor = '#FFEB16';
				ref_celda.getElementsByTagName( 'a' )[0].style.color = '#000000';
				break;
			case 3:
				ref_celda.style.backgroundColor = '#FF8000';
				ref_celda.getElementsByTagName( 'a' )[0].style.color = '#FFF';
				break;
			case 4:

                                ref_celda.style.borderLeft = ref_celda.style.borderTop = '1px solid black';
                                ref_celda.style.borderRight = ref_celda.style.borderBottom = '1px solid white'
				ref_celda.style.backgroundColor = '#FF8000';
				ref_celda.getElementsByTagName( 'a' )[0].style.color = '#FFF';
				break;
			default:
				if ( document.getElementsByTagName ) {
					ref_celda.getElementsByTagName( 'a' )[0].style.color = '#FFEB16';
				}
		}
	} else {
		switch ( estilo_celda ) {
			case 1:
                                ref_celda.style.borderLeft = ref_celda.style.borderTop = '0px solid darkgray';
                                ref_celda.style.borderRight = ref_celda.style.borderBottom = '0px solid BLACK'
				ref_celda.style.backgroundColor = '';
				ref_celda.style.backgroundImage = '';				
                                ref_celda.getElementsByTagName( 'a' )[0].style.color = '#FFFFFF';
				break;
			default:
				if ( document.getElementsByTagName ) {
					ref_celda.getElementsByTagName( 'a' )[0].style.color = '#FFFFFF';
				}
		}
	}
}

function botonesClick( ref_celda, estilo_celda, url ) {
	botones( ref_celda, 1, estilo_celda );
	irapagina( url );
}