google.load("feeds", "1");

    function initialize() {
		var rando = Math.floor(Math.random()*4);
		var url = "http://photos.googleapis.com/data/feed/base/user/vritomartis.galerie/albumid/5369604023720180129?kind=photo&alt=rss&ca="+rando;
		var feed = new google.feeds.Feed(url);
		//var feed = new google.feeds.Feed("http://picasaweb.google.com/data/feed/base/user/vritomartis.galerie/albumid/5369604023720180129?kind=photo&alt=rss");
		feed.setNumEntries(1000)
		feed.setResultFormat(google.feeds.Feed.XML_FORMAT);
		feed.load(function(result) {
		  //var container = document.getElementById("feed");
		  if (!result.error) {
		  	//alert('ca marche');
			var container = document.getElementById("feed");			
			var items = result.xmlDocument.getElementsByTagName("item");
			//alert(items.length);
			
			
			
			for (var i = 0; i < items.length; i++) {
					itemID = i;
				  var titleElement = items[itemID].getElementsByTagName("title")[0];
				  var title = titleElement.firstChild.nodeValue;
				  
				  var mediaGroupElement = items[itemID].childNodes[3];
				  var mediaGroupUrl = mediaGroupElement.childNodes[5];
				  var imgUrl = mediaGroupUrl.getAttribute("url");
				  //alert(catDom);				  
				  				  
				  //var imgElement1 = items[itemID].getElementsByTagName("media:content")[0];
				  var mediaGroupUrl1 = mediaGroupElement.childNodes[4]
				  var imgUrl1 = mediaGroupUrl1.getAttribute("url");
				  
				  //document.getElementById("imageDay").src = imgUrl;			  
				  
				  //document.getElementById("lienImage").href = imgUrl1;
				  //preload_image = new Image(); 
				  //preload_image.src=imgUrl1; 
				  
				  var reg1=new RegExp("(/s144)", "g");
				  var imageFinale = imgUrl.replace(reg1,"/s720")				  
				  //lert(imgUrl);
				  
				  var textelien = "<a href='"+imageFinale+"' rel='lightbox'><img src='"+imgUrl+"'  id='imageDay' class='imagesDay' border='0'></a>";
			  }
		    container.innerHTML = textelien;		    
		  }
		  else {
		  	alert('erreur');
		  }
		  
		  
		}		
		);
    }
    google.setOnLoadCallback(initialize);