// otevreni noveho okna s fotkou - velikost okna podle fotky
var picfile;
var intervallo;
function openImage(img)
{ 	
    picfile = new Image(); 
    picfile.src =('../photo/' + img + '.jpg');
    fileCheck('../photo/' + img + '.jpg'); 
}
function fileCheck(img)
{ 	
	if( (picfile.width!=0) && (picfile.height!=0) )
    { 
        makeWindow(img);
		if (intervallo) clearTimeout(intervallo); 
    }
    else 
    {
        funzione="fileCheck('"+img+"')"; 
        intervallo=setTimeout(funzione,50); 
    }
}
function makeWindow(img)
{ 	
    ht = picfile.height;
    wd = picfile.width; 

    var args= "height=" + ht + ",innerHeight=" + ht;
    args += ",width=" + wd + ",innerWidth=" + wd;
    if (window.screen) 
    { 
        var avht = screen.availHeight; 
        var avwd = screen.availWidth;
        var xcen = (avwd - wd) / 2; 
        var ycen = (avht - ht) / 2;
        args += ",left=" + xcen + ",screenX=" + xcen;
        args += ",top=" + ycen + ",screenY=" + ycen + ",resizable=yes"; 	
    }
    var okno = window.open("", "", args);
    if (okno) {
		okno.document.write("<link href='../style.css' rel='stylesheet' type='text/css'>");
		okno.document.write("<div class='fullsize'><a href='javascript:window.close()'><img src='"+img+"' id='close' alt=''></a></div>");
     	okno.document.close(); 
	}
	return okno; 
}

function init()  {
	document.getElementById('photo001').onclick = function() {openImage('itc-001'); return false};
	document.getElementById('photo002').onclick = function() {openImage('itc-002'); return false};
	document.getElementById('photo003').onclick = function() {openImage('itc-003'); return false};
}


window.onload = init