if (isPTZ) self.location = "ptzvid.html";
var DPTZ = true;		








var MAX_LEFT = 1280; 
var MAX_TOP = 1024;  
var MAX_RAWWIDTH = 1280;  
var MAX_RAWHEIGHT = 1024; 


var orient = "NONE";
if (orient.match("90") || orient.match("270") ||
    orient.match("BLTR") || orient.match("TLBR")) {
    var tmpvar;
    tmpvar = MAX_RAWWIDTH;
    MAX_RAWWIDTH = MAX_RAWHEIGHT;
    MAX_RAWHEIGHT = tmpvar;
    tmpvar = MAX_TOP;
    MAX_TOP = MAX_LEFT;
    MAX_LEFT = tmpvar;
}

var mods = new Object();        




mods.wx = -60;        
mods.wy = -12;        
mods.ww = 1152;        
mods.wh = 520;       


var wrw = 1152;        
var wrh = 520;        
var cropLeft = 4;   
var cropTop =  264;   


if (wrw > MAX_LEFT) wrw = MAX_LEFT;
if (wrh > MAX_TOP)  wrh = MAX_TOP;


var highQuality = 0;
var ds = 1;           
var displayDS = 2;   
if (isIQeye7 && (displayDS == 1)) {
    
    highQuality = 1;
    if (wrh < 1200) {displayDS = 2;}
    else {displayDS = 4;}
}
if (!displayDS) displayDS = ds;
mods.ds = displayDS;            


var dsArray = new Array(1,1.5,2,3,4,5,6,7,8,10,12,14,16); 
var dsIndex; 


if (isIQeye6) dsArray = new Array(1,2,4);
if (isIQeye7) dsArray = new Array(1,2,4,8);



var snap = "spush";		
var image = new Object();
image.width=wrw;                
image.height=wrh;               
var imAttr ="";                 
var ovstring = "";
var focusMode = 1;              
var urimods="";                 
                                

var magForHighQuality = 4;      
var DEBUG = false;


function activate() {
    
    setEcam2("OidCB17.4","ON");
    return false;
}


function round(val, tolerance) {
    var rv = val;
    if (Math.abs(rv - Math.round(rv)) < tolerance) {
        rv = Math.round(rv);
    }
    return rv;
}





function getArgs() {
    var args = new Object();
    var query = location.search.substring(1);
    query = query.replace(/\?/g,"&"); 
    var pairs = query.split("&"); 
    for (var i=0; i<pairs.length; i++) {
        var pos = pairs[i].indexOf('=');
        if (pos==-1) continue;
        var argname = pairs[i].substring(0,pos);
        var value = pairs[i].substring(pos+1);
        args[argname] = unescape(value);
    }
    
    if (args.needsApplet != null) needsApplet = (args.needsApplet==true);
    if (args.DEBUG != null) DEBUG = true;
    if (args.logging != null) {
	logging = parseInt (args.logging);
	if (logging != 0) logging = '<param name="Logging" value="1">\n';
    }
    if (args.ww != null) mods.ww = round(parseFloat(args.ww), 0.0001);
    if (args.wh != null) mods.wh = round(parseFloat(args.wh), 0.0001);
    if (args.wx != null) mods.wx = parseInt(args.wx);
    if (args.wy != null) mods.wy = parseInt(args.wy);
    if (args.map != null) urimods += "?map=" + args.map;
    if (args.mode != null) focusMode = parseInt(args.mode);
    if (args.snap != null) snap = args.snap;
    if (isNaN(focusMode)) focusMode=1; 
    if (args.fps) FPS=true;

    
    
    if (args.ds) mods.ds = args.ds;
    image.width =  Math.floor(wrw/mods.ds);
    image.height = Math.floor(wrh/mods.ds);
    if (args.width  != null) image.width  = parseInt(args.width);
    if (args.height != null) image.height = parseInt(args.height);

    setDS();
    if (!isIQeye6 && args.ov) ovstring = "?ov=" + parseInt(args.ov);
    imAttr = ' width="' + image.width
        + '" height="' + image.height + '" border=0 ';
}


function magnification() {
    
    if (isIQeye6) return image.height/(wrh/mods.ds);
    return image.height*mods.ds/mods.wh/ds;
}



function setOvstring() {
    var magfactor =  magnification();

    if (isIQeye6) ovstring = "";
    else {
	
	if (magfactor < 0.9 || magfactor > 1.1) ovstring = "?ov=0";
	else ovstring =  ""; 
    }
    if (magfactor > magForHighQuality)
        ovstring += "?jg=92"; 
}


function setDSIndex() {
    for (var i=0;i<dsArray.length; i++) {
        if (mods.ds >= dsArray[i]) dsIndex = i;
    }
    return dsIndex;
}


function lowerDS() {
    if (dsIndex==null) setDSIndex();
    if (dsIndex==0) return false;
    mods.ds = dsArray[--dsIndex];
    return true;
}


function raiseDS() {
    if (dsIndex==null) setDSIndex();
    if (dsIndex==(dsArray.length-1)) return false;
    mods.ds = dsArray[++dsIndex];
    return true;
}



function setDS() {
    var oldMag = magnification();
    var newMag = oldMag;
    if (newMag>1.0){            
        while (Math.abs(newMag-1.0) <= Math.abs(oldMag-1.0)) {
            if (! lowerDS()) break;
            oldMag = newMag;
            newMag = magnification();
        }
        
        if (Math.abs(newMag-1.0) > Math.abs(oldMag-1.0)) {
            raiseDS();
            oldMag = newMag;
            newMag = magnification();
        }
    }
    if (newMag<1.0) {
        while (Math.abs(newMag-1.0) <= Math.abs(oldMag-1.0)) {
            if (! raiseDS()) break;
            oldMag = newMag;
            newMag = magnification();
        }
        if (Math.abs(newMag-1.0) > Math.abs(oldMag-1.0)) {
            lowerDS();
            oldMag = newMag;
            newMag = magnification();
        }
    }
    if (! isIQeye6) { 
        while (mods.ww*ds/mods.ds > wrw
               || mods.wh*ds/mods.ds > wrh) {
            
            if (! raiseDS()) break;
            
            
        }
    }
    setOvstring();
}



function adjustSizes(tolerance) {
    var tmpH = Math.round(mods.wh/ds); 
    var tmpW = Math.round(mods.ww/ds); 
    if (image.height > tmpH) { 
        var mult = Math.round(image.height/tmpH);
        if ((Math.abs(image.height - mult*tmpH) < tolerance) ||
            (Math.abs(image.width - mult*tmpW) < tolerance)) {
            image.height = mult*tmpH;
            image.width = mult*tmpW;
        }
    } else {  
        var mult = Math.round(tmpH/image.height);
        if ((Math.abs(image.height - tmpH/mult) < tolerance) ||
            (Math.abs(image.width - tmpW/mult) < tolerance)) {
            image.height = Math.round(tmpH/mult);
            image.width = Math.round(tmpW/mult);
        }
    }
}

function sizeUp(factor) {
    var eps = 2;                
    if (image.height*factor>wrh+eps || image.width*factor>wrw+eps) {
        handleError("maxsize");
    }
    else if (isIQeye6 &&
             (image.height*factor>mods.wh+eps ||
              image.width*factor>mods.ww+eps))
        handleError("maxsize");
    else {
        image.height = Math.ceil(image.height*factor);
        image.width  = Math.ceil(image.width*factor);
        if (image.height>wrh) image.height = wrh;
        if (image.width >wrw) image.width = wrw;
        adjustSizes(5);
        loadNewPage();
    }
    return false;
}

function sizeDown(factor) {
    if (mods.ds >= 16) handleError("minsize");
    else {
        image.height = Math.round(image.height/factor);
        image.width  = Math.round(image.width/factor);
        adjustSizes(5);
        loadNewPage();
    }
    return false;
}

function sizeMax() {
    image.height = wrh;
    image.width = wrw;
    loadNewPage();
    return false;
}

function imageArgs() {
    if (isIQeye7) {
	if (highQuality) {
	    return "?ds=1";
	}
	else {
	    return "?ds=" + mods.ds;
	}
    }
    if (isIQeye6) {
        if (DPTZ) {
            
            

            ds = mods.ds; 
	    
            return "?wx=" + mods.wx + "?wy=" + mods.wy
                + "?ww=" + mods.ww + "?wh=" + mods.wh
                + "?ds=" + mods.ds
                + ovstring + urimods;
        } else {
            return urimods;
        }
    }
    else
        return "?ww=" + mods.ww + "?wh=" + mods.wh
            + "?wx=" + mods.wx + "?wy=" + mods.wy
            + ((mods.ds == ds) ? "":("?ds=" + mods.ds))
            + ovstring + urimods;
}

function stillImageString() {
    return "now.jpg?snap=pre" + imageArgs();
}

function imageString() {
    return "now.jpg?snap=" + snap + imageArgs();
}

function myURL() {
    var rv = location.pathname + imageArgs()
        + "?width=" + image.width + "?height=" + image.height;
    if (focusMode>1) rv += "?mode=" + focusMode;
    return rv;
}


function getVarsFromApplet() {
}



function loadNewPage() {
    getVarsFromApplet(); 
    setDS();
    self.location = myURL();
    return false;
}