function abrirfoto(idgaleria){
		document.getElementById("abrirFoto").style.visibility="visible";
		if(window.XMLHttpRequest) {
			objXml1 = new XMLHttpRequest(); // Gecko (Firefox, Moz), KHTML (Konqueror, Safari), Opera
		} else if(window.ActiveXObject) {
			objXml1 = new ActiveXObject("Microsoft.XMLHTTP"); // Internet Explorer		
		}					
		
		objXml1.open("GET", "/foto.asp?idgaleria="+idgaleria , true);  
		objXml1.onreadystatechange=function() {
		if (objXml1.readyState==4) {
			document.getElementById("abrirFoto").innerHTML=objXml1.responseText; 
			}
		} 
		objXml1.send(null);				  
		  
		  
	}
	
	function cerrarFoto(){		
		document.getElementById("abrirFoto").style.visibility="hidden";	
	}