function Ajax(){
	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();
	}
	return xmlhttp;
}	
  
      function getElementsByClassName(classname, node) {
   
      if(!node) node = document.getElementsByTagName("body")[0];
  
      var a = [];
  
      var re = new RegExp('\\b' + classname + '\\b');
  
      var els = node.getElementsByTagName("*");
   
      for(var i=0,j=els.length; i<j; i++)
 
      if(re.test(els[i].className))a.push(els[i]);
      return a;
 
      }
function rellenar_agenda(){
	handleSelect('select','2009,2,3','Calendar cal1');
	var mes = getElementsByClassName('calheader');
	

	ajax=Ajax();
	ajax.open("POST", "ajax2.php",true);
	ajax.onreadystatechange=function(){
		
		
		
		for(var i=0;i<=10;i++){
			document.getElementById('cal1_cell'+i).style.backgroundColor=ajax.responseText;
		}
		
		
	}
	
	ajax.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
	ajax.send('D');

	
}