var SID="SID=8364955b89b5b5a4283f7f088c5bae4a";
var isinit=false;
var imagedir = "images";
var speed=50;
var controls = new Array();
var buttons = new Array();
var requested=false;
var movement=false;
var seq=0;
var tid=0;
var blackout=false;
var textcolor="#ffffff";

function control(name, frame, width, height, cmd, dir, dir2){
	this.name = name;
	this.frame = frame;
	this.image = newImage(imagedir+"/"+name+".gif");
	this.overimage = newImage(imagedir+"/"+name+"-over.gif");
	this.downimage = newImage(imagedir+"/"+name+"-down.gif");
	this.width = width;
	this.height = height;
	this.cmd = cmd;
	this.dir = dir;
	this.dir2 = dir2;
	this.cursor = "hand";
}

function button(name, frame, width, height, normal, over, label, pressed, cmd, arg, group){
	this.name = name;
	this.frame = frame;
	this.image = newImage(imagedir+"/"+normal);
	if(!label){
		this.downimage = newImage(imagedir+"/"+over);
	}
	this.width = width;
	this.height = height;
	this.cmd = cmd;
	this.arg = arg;
	this.group = group;
	this.pressed = pressed;
	if(!label) this.cursor = "hand";
	else this.cursor = "default";
}

function newImage(arg)
{
	rslt = new Image();
	rslt.src = arg;
	return rslt;
}

function button_press(obj)
{
	for(var i=0;i<buttons.length;i++)
		if(buttons[i].name==obj.id){	
			switch (buttons[i].cmd) {
			case 'snap':
				if(!blackout) window.open("pptz.php?cmd=postcard", "", "scrollbars=yes,resizable=no,status=no,menubar=no,dependent=yes,height=650,width=787");

			}
		}
}

function initialize()
{
	if(isinit) return;
	isinit=true;
	controls[controls.length]=new control("downright", "main", 47, 45, "pan", "downright");
	controls[controls.length]=new control("upleft", "main", 45, 41, "pan", "upleft");
	controls[controls.length]=new control("up", "main", 110, 41, "pan", "up");
	controls[controls.length]=new control("upright", "main", 46, 41, "pan", "upright");
	controls[controls.length]=new control("left", "main", 45, 111, "pan", "left");
	controls[controls.length]=new control("center", "main", 110, 39, "preset", "1");
	controls[controls.length]=new control("right", "main", 46, 111, "pan", "right");
	controls[controls.length]=new control("downleft", "main", 45, 45, "pan", "downleft");
	controls[controls.length]=new control("down", "main", 109, 37, "pan", "down");
	controls[controls.length]=new control("zoomin", "main", 110, 37, "zoom", "tele");
	controls[controls.length]=new control("zoomout", "main", 110, 35, "zoom", "wide");
	buttons[buttons.length]=new button("snapemail", "main", 94, 22, "emailbut.jpg", "emailbut.jpg", false, false, "snap", "mail", "snapctrl");
	for(var i=0;i<controls.length;i++){
		var obj=main.document[controls[i].name];
		obj.style.cursor=controls[i].cursor;
		obj.src=controls[i].image.src;
		obj.width=controls[i].width;
		obj.height=controls[i].height;
	}
	for(var i=0;i<buttons.length;i++){
		var obj=main.document.getElementById(buttons[i].name);
  		obj.style.cursor=buttons[i].cursor;

		obj.width=buttons[i].width;
		obj.height=buttons[i].height;
		if(buttons[i].pressed) obj.src=buttons[i].downimage.src;
		else obj.src=buttons[i].image.src;
	}
	main.document.getElementById("iimage").onload=setiimage;
	setiimage();
	setInterval(chkstatus, 5000);
	chkstatus();
	window.status="...";
	return;
}


function ncinitialize()
{
	if(isinit) return;
	isinit=true;
	document.getElementById("iimage").onload=ncsetiimage;
	ncsetiimage();
	window.status="...";
	return;
}


function chkstatus()
{
	data.location="pptz.php?cmd=chkstatus&"+SID;
	window.status="...";
	return;
}

function statusupdate(incontrol,req,inline,waittime,blckout)
{
	clearTimeout(tid);
	if(blckout=="true"){
		blackout=true;
	} else {
		blackout=false;
		setiimage();
	}
	if(incontrol=="true"){
		requested=false;
		main.document.getElementById("WaitInLine").style.visibility = "hidden";
		main.document.getElementById("Control").style.visibility = "visible";
		main.document.getElementById("padstatus").innerHTML = "<font color=\""+textcolor+"\">Control time left: "+waittime+"</font>";
		tid=setTimeout(chkstatus, 2000);
		return;
	}
	requested=true;
	main.document.getElementById("WaitInLine").style.visibility = "visible";
	main.document.getElementById("Control").style.visibility = "hidden";
	if(req=="false") {
		requested=false;
		main.document.getElementById("wilstatus").innerHTML = "<button onClick='parent.reqctrl()'>Request Camera Control</button><br><font color=\""+textcolor+"\">Persons in line: "+inline+"<br>Time to wait:"+waittime+" seconds</font>";
		tid=setTimeout(chkstatus, 2000);
		return
	}
	if(req=="disabled") {
		requested=false;
		main.document.getElementById("wilstatus").innerHTML = "<font color=\""+textcolor+"\">Public Control is Temporarily Unavailable</font>";
		tid=setTimeout(chkstatus, 2000);
		return
	}
	main.document.getElementById("wilstatus").innerHTML = "<font color=\""+textcolor+"\">Persons in front of you: "+inline+"<br>Time till control: "+waittime+" seconds</font>";
	tid=setTimeout(chkstatus, 2000);
}

function reqctrl()
{
	if(requested) alert("Control has already been requested.");
	else data.location="pptz.php?cmd=reqctrl&"+SID;
	return;
}

function action(obj)
{
	zmspeed=speed;
	for(var i=0;i<controls.length;i++)
		if(controls[i].name==obj.name){
   		obj.src=controls[i].downimage.src;
			break;
		}
   obj.src=controls[i].downimage.src;
	switch (controls[i].cmd) {
		case 'pan':
			data.location="pptz.php?cmd=camctrl&fn=pan&dir="+controls[i].dir+"&panspeed="+speed+"&tiltspeed="+speed+"&"+SID;
			break;
		case 'diag':
			data.location="pptz.php?cmd=camctrl&fn=diag&dir1="+controls[i].dir+"&dir2="+controls[i].dir2+"&panspeed="+speed+"&tiltspeed="+speed+"&"+SID;
			break;
		case 'tilt':
			data.location="pptz.php?cmd=camctrl&fn=tilt&dir="+controls[i].dir+"&panspeed="+speed+"&tiltspeed="+speed+"&"+SID;
			break;
		case 'zoom':
			data.location="pptz.php?cmd=camctrl&fn=zoom&dir="+controls[i].dir+"&zoomspeed="+zmspeed+"&"+SID;
			break;
		case 'preset':
			data.location="pptz.php?cmd=camctrl&fn=preset&preset="+controls[i].dir+"&"+SID;
			break;
	}	
	return;
}


function button_mseover(obj)
{
	for(var i=0;i<buttons.length;i++)
		if(buttons[i].name==obj.name){
			if(buttons[i].arg=="rew") return;
   		obj.src=buttons[i].downimage.src;
			return;
		}
	return;
}

function button_mseout(obj)
{
	for(var i=0;i<buttons.length;i++)
		if(buttons[i].name==obj.name && !buttons[i].pressed){
   		obj.src=buttons[i].image.src;
			return;
		}
	return;
}

function mseover(obj)
{
	for(var i=0;i<controls.length;i++)
		if(controls[i].name==obj.name){
   		obj.src=controls[i].overimage.src;
			return;
		}
	return;
}

function mseup(obj)
{
	for(var i=0;i<controls.length;i++)
		if(controls[i].name==obj.name){
   		obj.src=controls[i].overimage.src;
			break;
		}
	data.location="pptz.php?cmd=camctrl&fn=pan&dir=stop"+"&"+SID;
	data.location="pptz.php?cmd=camctrl&fn=pan&dir=stop"+"&"+SID;

	return;
}

function mseout(obj)
{
	for(var i=0;i<controls.length;i++)
		if(controls[i].name==obj.name){
   		obj.src=controls[i].image.src;
			break;
		}
	if(movement){
		movement=false;
		data.location="pptz.php?cmd=camctrl&fn=pan&dir=stop"+"&"+SID;
		data.location="pptz.php?cmd=camctrl&fn=zoom&dir=stop"+"&"+SID;
	}
	return;
}

function ncsetiimage()
{
	var obj=document.getElementById("iimage");
	seq++;
	obj.src="http://os1.prod.camzone.com:8879/still?cam=8&i="+seq;
	return;
}

function setiimage()
{
	var obj=main.document.getElementById("iimage");
	seq++;
	if(blackout){
		main.document.getElementById("iimage").onload='';
		obj.src="images/blackout.jpg";
	} else {
		main.document.getElementById("iimage").onload=setiimage;
		obj.src="http://os1.prod.camzone.com:8879/still?cam=8&i="+seq;
	}
	window.status="...";
	return;
}