window.onload=function(){	

			var menu = window.document.getElementById("menumes");
			var postfinal = window.document.getElementById("postfinal");
			
			
			menu.onchange=function(){
			xmlhttp.open("GET", menu.value);
			xmlhttp.onreadystatechange = function(){
			if(xmlhttp.readyState == 4 && xmlhttp.status == 200){
			postfinal.innerHTML = xmlhttp.responseText;
			}
			}
			xmlhttp.send(null);
			}
		
			
			var link= $("link");	
			var todo= $ ("todo");	
			link.onclick=function(){	
			todo.innerHTML="";			
			var randomNumber= getRandom(numberOfImages);	
			todo.innerHTML=("<div style='display:inline' id='todo'> <a href='shuffle/"+randomNumber+".jpg' target='_blank'> <img src=shuffle/small_"+randomNumber+".jpg /></a><br /><span id='libro'><a href='shuffle/"+randomNumber+".jpg' target='_blank'>Zoom</a></span></div>");
			}		
}

var xmlhttp = false;
	try{
	xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
	}catch(e){
	try{
	xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
	}catch(e){
	xmlhttp = false;
	}
	}
	if(!xmlhttp && typeof XMLHttpRequest != 'undefined'){
	xmlhttp = new XMLHttpRequest();
	}
	
function $(i) { return document.getElementById(i); };