function cambiarImagen(img,texto,enlace, h) {
	var imgGran = document.getElementById('img-aleatoria-grande');
	var imgGranEnlace = document.getElementById('img-aleatoria-grande-enlace');
	var infoBox = document.getElementById('img-aleatoria-info');
	infoBox.style.display = 'none';
	imgNueva = new Image();
	imgNueva.src = img;
	if(imgNueva.complete){
			document.getElementById('img-aleatoria-grande').src = imgNueva.src;
			document.getElementById('img-aleatoria-info').style.display = 'block'; 
	}else{
		imgNueva.onload = function(){
			document.getElementById('img-aleatoria-grande').src = this.src;
			document.getElementById('img-aleatoria-info').style.display = 'block'; 
		};
	}
	document.getElementById('img-aleatoria-enlace').href = enlace;
	imgGranEnlace.href=enlace;
	if(texto.length>25){
		texto = texto.substring(0,25)+'...';
	}
	imgGranEnlace.innerHTML = texto;
	if(h>35){
		infoBox.style.top = h +'px';
	}else{
		infoBox.style.top = h+37 +'px';	
		imgGran.style.marginBottom = '37px';
	}
	infoBox.onclick = function(){
		window.location = this.getElementsByTagName('a')[0].href;
	}
	return false;
}