var req;

// + ------------------- +
// |        LOGIN        |
// + ------------------- +

function navigate_handleResponse() {
        try {
                if((http.readyState == 4)&&(http.status == 200)){
                        var response = http.responseText;
                        if (response) {
                                document.getElementById("calendar").innerHTML = response;
                                document.getElementById("calendar").style.display = "block";
                        }
                }
        }
        catch(e){}
        finally{}
}

function navigate(month,year) {
                        http.open('POST',  'source/change_calendar_view.php');
                        http.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
                        http.onreadystatechange = navigate_handleResponse;
                        http.send('month='+month+'&year='+year+'&sid='+Math.random());
}

// + ------------------- +
// |        LOGIN  1     |
// + ------------------- +

function navigate_view_handleResponse() {
        try {
                if((http.readyState == 4)&&(http.status == 200)){
                        var response = http.responseText;
                        if (response) {
                                document.getElementById("calendar").innerHTML = response;
                                document.getElementById("calendar").style.display = "block";
                        }
                }
        }
        catch(e){}
        finally{}
}

function navigate_view(month,year) {
                        http.open('POST',  'source/change_calendar_view.php');
                        http.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
                        http.onreadystatechange = navigate_view_handleResponse;
                        http.send('month='+month+'&year='+year+'&sid='+Math.random());
}

function getObject(obj) {
	var o;
	if(document.getElementById) o = document.getElementById(obj);
	else if(document.all) o = document.all.obj;
	return o;
}

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

function setFade(amt) {
	var obj = getObject("calendar");
	amt = (amt == 100)?99.999:amt;
	obj.style.filter = "alpha(opacity:"+amt+")";
	obj.style.KHTMLOpacity = amt/100;
	obj.style.MozOpacity = amt/100;
	obj.style.opacity = amt/100;
}

function showJump(obj) {
	var curleft = curtop = 0;
	if (obj.offsetParent) {
		curleft = obj.offsetLeft
		curtop = obj.offsetTop
		while (obj = obj.offsetParent) {
			curleft += obj.offsetLeft
			curtop += obj.offsetTop
		}
	}
	var jump = document.createElement("div");
	jump.setAttribute("id","jump");
	jump.style.position = "absolute";
	jump.style.top = curtop+15+"px";
	jump.style.left = curleft+"px";
	var output = '<select id="month">\n';
	var months = new Array('Tháng 1','Tháng 2','Tháng 3','Tháng 4','Tháng 5','Tháng 6','Tháng 7','Tháng 8','Tháng 9','Tháng 10','Tháng 11','Tháng 12');
	var n;
	for(var i=0;i<12;i++) {
		n = ((i+1)<10)? '0'+(i+1):i+1;
		output += '<option value="'+n+'">'+months[i]+'  </option>\n';
	}
	output += '</select> \n<select id="year">\n';
	for(var i=0;i<=15;i++) {
		n = (i<10)? '0'+i:i;
		output += '<option value="20'+n+'">20'+n+'  </option>\n';
	}
	output += '</select> <a href="javascript:jumpTo()"><img src="images/calGo.gif" alt="go" /></a> <a href="javascript:hideJump()"><img src="images/calStop.gif" alt="close" /></a>';
	jump.innerHTML = output;
	document.body.appendChild(jump);
}
function showJump_en(obj) {
	var curleft = curtop = 0;
	if (obj.offsetParent) {
		curleft = obj.offsetLeft
		curtop = obj.offsetTop
		while (obj = obj.offsetParent) {
			curleft += obj.offsetLeft
			curtop += obj.offsetTop
		}
	}
	var jump = document.createElement("div");
	jump.setAttribute("id","jump");
	jump.style.position = "absolute";
	jump.style.top = curtop+15+"px";
	jump.style.left = curleft+"px";
	var output = '<select id="month">\n';
	var months = new Array('Jan','Feb','Mar','Apr','May','June','Jul','Aug','Sep','Otc','Nov','Dec');
	var n;
	for(var i=0;i<12;i++) {
		n = ((i+1)<10)? '0'+(i+1):i+1;
		output += '<option value="'+n+'">'+months[i]+'  </option>\n';
	}
	output += '</select> \n<select id="year">\n';
	for(var i=0;i<=15;i++) {
		n = (i<10)? '0'+i:i;
		output += '<option value="20'+n+'">20'+n+'  </option>\n';
	}
	output += '</select> <a href="javascript:jumpTo()"><img src="images/calGo.gif" alt="go" /></a> <a href="javascript:hideJump()"><img src="images/calStop.gif" alt="close" /></a>';
	jump.innerHTML = output;
	document.body.appendChild(jump);
}
function showJump1(obj) {
	var curleft = curtop = 0;
	if (obj.offsetParent) {
		curleft = obj.offsetLeft
		curtop = obj.offsetTop
		while (obj = obj.offsetParent) {
			curleft += obj.offsetLeft
			curtop += obj.offsetTop
		}
	}
	var jump = document.createElement("div");
	jump.setAttribute("id","jump");
	jump.style.position = "absolute";
	jump.style.top = curtop+15+"px";
	jump.style.left = curleft+"px";
	var output = '<select id="month">\n';
	var months = new Array('Tháng 1','Tháng 2','Tháng 3','Tháng 4','Tháng 5','Tháng 6','Tháng 7','Tháng 8','Tháng 9','Tháng 10','Tháng 11','Tháng 12');
	var n;
	for(var i=0;i<12;i++) {
		n = ((i+1)<10)? '0'+(i+1):i+1;
		output += '<option value="'+n+'">'+months[i]+'  </option>\n';
	}
	output += '</select> \n<select id="year">\n';
	for(var i=0;i<=15;i++) {
		n = (i<10)? '0'+i:i;
		output += '<option value="20'+n+'">20'+n+'  </option>\n';
	}
	output += '</select> <a href="javascript:jumpTo1()"><img src="/images/calGo.gif" alt="go" /></a> <a href="javascript:hideJump()"><img src="templates/images/calStop.gif" alt="close" /></a>';
	jump.innerHTML = output;
	document.body.appendChild(jump);
}

function hideJump() {
	document.body.removeChild(getObject("jump"));
}

function jumpTo() {
	var m = getObject("month");
	var y = getObject("year");
	navigate(m.options[m.selectedIndex].value,y.options[y.selectedIndex].value,'');
	hideJump();
}

function jumpTo1() {
	var m = getObject("month");
	var y = getObject("year");
	navigate_view(m.options[m.selectedIndex].value,y.options[y.selectedIndex].value,'');
	hideJump();
}

function week_over(week) {
	var x=document.getElementsByName(week);
        for ($i=0;$i<x.length;$i++) {
        x[$i].className='shift_over';
        }
}

function week_out(week) {
	var x=document.getElementsByName(week);
        for ($i=0;$i<x.length;$i++) {
        x[$i].className='shift_out';
        }
}