var req;

function navigate(month,year) {
        var url = "_include_calendar.php?month="+month+"&year="+year;
        if(window.XMLHttpRequest) {
                req = new XMLHttpRequest();
        } else if(window.ActiveXObject) {
                req = new ActiveXObject("Microsoft.XMLHTTP");
        }
        req.open("GET", url, true);
        req.onreadystatechange = callback;
        req.send(null);
}

function callback() {        
        obj = document.getElementById("calendar");
        setFade(0);
        
		if(req.readyState == 4) {
                if(req.status == 200) {
                        response = req.responseText;
                        obj.innerHTML = response;
                        fade(0);
                } else {
                        alert("Problema na captura da data:\n" + req.statusText);
                }
        }
		$(document).ready(function() 
{
   // Use the each() method to gain access to each elements attributes
   $('#calendar a[rel]').each(function()
   {
      $(this).qtip(
      {
         content: {
            url: $(this).attr('rel') // Use the rel attribute of each element for the url to load
         },
         position: {
            corner: {
               target: 'bottomMiddle', // Position the tooltip above the link
               tooltip: 'topLeft'
            },
            adjust: {
               screen: true // Keep the tooltip on-screen at all times
            }
         },
         show: { 
			solo: true // Only show one tooltip at a time
         },
         style: {
            tip: true, // Apply a speech bubble tip to the tooltip at the designated tooltip corner
            border: {
               width: 0,
               radius: 4
            },
            name: 'light', // Use the default light style
            width: 250 // Set the tooltip width
         }
      })
   });
});
		
}

function fade(amt) {
	if(amt <= 100) {
		setFade(amt);
		amt += 10;
		setTimeout("fade("+amt+")", 5);
    }
}

function setFade(amt) {
	obj = document.getElementById("calendar");
	
	amt = (amt == 100)?99.999:amt;
  
	// IE
	obj.style.filter = "alpha(opacity:"+amt+")";
  
	// Safari<1.2, Konqueror
	obj.style.KHTMLOpacity = amt/100;
  
	// Mozilla and Firefox
	obj.style.MozOpacity = amt/100;
  
	// Safari 1.2, newer Firefox and Mozilla, CSS3
	obj.style.opacity = amt/100;
}