/* Calendar Navigation Functions */

var req;

function navigate(GetDate) {
        var url = "/ajax_calendar_V3.aspx?date="+GetDate;
        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).html(response);
                        fade(0);
                } else {
                        alert("There was a problem retrieving the data:\n" + req.statusText);
                }
        }
}

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;
}


/* Init */
$(document).ready(CalenderInit);

function drawResults(data) {
    //remove loading

   $("#calendar").html(data);
}

function CalenderInit() {

    $(window).load(function() {

    var dateObj=new Date();
    y = dateObj.getFullYear();
    m = dateObj.getMonth() + 1;
    m = m.toString();
    d = dateObj.getDate().toString();
    
    if(m.length < 2) {
        m = "0" + m;
    }
    if(d.length < 2) {
        d = "0" + d;
    }
    
    //return y + "-" + m + "-" + d;
	date = d + "-" + m + "-" + y;
	//alert(date);
    $.post("/ajax_calendar_V3.aspx", {Date: date},drawResults,"html")
    });

}