// convert all characters to lowercase to simplify testing
    var agt=navigator.userAgent.toLowerCase();

    // *** BROWSER VERSION ***
    // Note: On IE5, these return 4, so use is_ie5up to detect IE5.
    var is_major = parseInt(navigator.appVersion);
    var is_minor = parseFloat(navigator.appVersion);

    var is_ie     = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
    var is_ie3    = (is_ie && (is_major < 4));
    var is_ie4    = (is_ie && (is_major == 4) && (agt.indexOf("msie 4")!=-1) );
    var is_ie4up  = (is_ie && (is_major >= 4));
    var is_ie5    = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")!=-1) );
    var is_ie5_5  = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.5") !=-1));
    var is_ie5up  = (is_ie && !is_ie3 && !is_ie4);
    var is_ie5_5up =(is_ie && !is_ie3 && !is_ie4 && !is_ie5);
    var is_ie6    = (is_ie && (is_major == 4) && (agt.indexOf("msie 6.")!=-1) );
    var is_ie6up  = (is_ie && !is_ie3 && !is_ie4 && !is_ie5 && !is_ie5_5);
    var is_opera = (window.opera)?true:false;
    var is_opera7 = (window.opera)?true:false;
    var is_gecko = (agt.indexOf('gecko') != -1);


if(document.all && !document.getElementById)
    document.getElementById = function(id) { return document.all[id]; }



var lastWin;
function setImg (imgSrc,reSize) {
	if (lastWin.jestem) {
		
		if (reSize == 1) {
			lastWin.document.body.innerHTML = '<img src="'+imgSrc+'" id="obrazek" onload="window.resizeTo(this.width + 10,this.height + 30);window.moveTo(20,20);" >'; 
			lastWin.focus();
		}
		else {
			lastWin.document.body.innerHTML = '<img src="'+imgSrc+'" id="obrazek" >'; 
		}
			
	}	
	else {
		setTimeout("setImg('"+imgSrc+"', '"+reSize+"')",100);
	}
}


function setSizeImg () {
	if (lastWin.document.getElementById('obrazek')) {

	//	lastWin.resizeTo(lastWin.document.getElementById('obrazek').width + 10,lastWin.document.getElementById('obrazek').height + 30);
	//	lastWin.moveTo(20,20); 
		alert(lastWin.document.getElementById('obrazek').src);
		lastWin.close(); 
		zoomImg(lastWin.document.getElementById('obrazek').src,lastWin.document.getElementById('obrazek').width,lastWin.document.getElementById('obrazek').height);
	}	
	else {
		setTimeout("setSizeImg()",100);
	}
}

// onload="window.resizeTo(this.width + 10,this.height + 30);window.moveTo(20,20);

function zoomImg(imgSrc,xSize,ySize) {
	reSize = 1;
	if (xSize && ySize) reSize = 0;
	if (!xSize) xSize=300;
	if (!ySize) ySize=300;
	scrollBary='no';
	xPos=20;
	lastWin = window.open('blank.html','zoomOkno','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars='+scrollBary+',resizable=yes,fullscreen=no,channelmode=no,width='+xSize+',height='+ySize+',top=0,left='+xPos);
	
	setImg (imgSrc,reSize);
	void(0);
}

function oW (path,Xsiz,Ysiz) {
	var przed = '';
	if (!(Xsiz > 0)) { Xsiz = 300; }
	if (!(Ysiz > 0)) { Ysiz = 300; }
	window.open(przed+path, 'fotozoom', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,fullscreen=no,channelmode=no,width='+Xsiz+',height='+Ysiz+',top=30,left=30');
	void(0);
}
function oP (kodKat) {
	oW('opis.php?prd_id='+kodKat,780,560,'yes');
	void(0);
}

function el (id) {
        return document.getElementById(id);
}

function tf (txt,id) {
		if (el(id).value == '') {
	        alert(txt);
			el(id).focus();
			return false;
		}
		else return true;
}

function ts (txt,id) {
		if (el(id).selectedIndex == 0) {
	        alert(txt);
			el(id).focus();
			return false;
		}
		else return true;
}

function te (txt,id) {
		if (el(id).value != '' && el(id).match(/^.*\@.*\..*$/)==null) {
	        alert(txt);
			el(id).focus();
			return false;
		}
		else return true;
}

function tc (txt,id) {
		if (!(el(id).checked)) {
		
	        if (txt != '') { alert(txt); el(id).focus(); }
			return false;
		}
		else return true;
}

function flash(name,src,x,y,ver,opcja) {
		
	if (is_ie) { b = 'ie' }
	
	else if (is_gecko) { b = 'gecko' }
	else if (is_opera) { b = 'opera' }

	if (opcja == 'w3c' || (opcja == 'jsOpti' && b != 'ie')) {
		document.write ('<object id="'+name+'" type="application/x-shockwave-flash" data="'+src+'?browser='+b+'" width="'+x+'" height="'+y+'" >');
		document.write ('<param name="movie" value="'+src+'?browser='+b+'" >');
		document.write ('<param name="swliveconnect" value="true">');
		document.write ('</object>');
	}
	else if (opcja == 'fsc' || (opcja == 'jsOpti' && b == 'ie') || (opcja == 'transparent' && b == 'ie')) {

		document.write ('<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"');
		document.write ('codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version='+ver+',0,0,0"');
		document.write ('width='+x+' height='+y+' id="'+name+'">');
		document.write ('<param name=movie value="'+src+'?browser='+b+'">');
		document.write ('<param name=quality value=high>');

		if (opcja == 'transparent') document.write ('<param name="wmode" value="transparent">');

		document.write ('<param name="swliveconnect" value="true">');
		document.write ('<embed src="'+src+'?browser='+b+'" quality="high" width="'+x+'" height="'+y+'"');
		document.write (' type="application/x-shockwave-flash"');
		document.write (' pluginspage="http://www.macromedia.com/downloads/"');
		document.write (' name="'+name+'" swliveconnect="true">');
		document.write ('</embed>');
		document.write ('</object>');
	}
}



function getCookie(nazwa) {
    if (document.cookie.length > 0) {
        startc = document.cookie.indexOf(nazwa + "=");
        if (startc != -1) {
            startc += nazwa.length + 1;
            endc = document.cookie.indexOf(";", startc);
            if (endc == -1) {
                endc = document.cookie.length;
            }
            return unescape(document.cookie.substring(startc,endc));
        }
	return false;
    }
    return false;
}

function setCookie(nazwa, wartosc,dni) {
    var dzisiaj=new Date();
    var wygasnie=new Date();
    !dni ?dni=7 :"";
    // dni - data po której ciastko traci ważność (domyślnie tydzień)
    // jeśli dni==0 to ważne w ciągu danej "sesji"
    wygasnie.setTime(dzisiaj.getTime()+1000*60*60*24*dni);
	document.cookie=nazwa+"="+escape(wartosc)+";expires="+wygasnie.toGMTString();
}


function searchMode(obj) {

	document.getElementById('search_www').className = 'radioOff';
	document.getElementById('search_prod').className = 'radioOff';
	document.getElementById('search_' + obj).className = 'radioOn';
	rejestruj('searchMode',obj,0);
	if (obj == 'www') document.forms['search'].action = 'search.php';
	else  document.forms['search'].action = 'katalog.php';
	void(0);
}

function init() {
	 switchFooter() ;
	 setTimeout("switchFooter()", 1000);
	
}

function switchFooter() {
	el('footer').style.position = 'relative';
	el('footer').style.position = 'absolute';
}

function testForm(formName) {
		tf = document.forms[formName];
		argv = testForm.arguments;
		result = true;
		a = 1;
		while (argv[a]) {
			if (tf[argv[a]].tagName.toLowerCase() == 'input') {
				if (tf[argv[a]].value == '') {
					alert ('Proszę wypełnić pole "'+argv[a+1]+'"');
					tf[argv[a]].focus();
					result = false;		
					break;
				}
			}
			else {
				if (tf[argv[a]].selectedIndex == 0) {
					alert ('Proszę wybrać "'+argv[a+1]+'"');
					tf[argv[a]].focus();
					result = false;		
					break;
				}
			}
			a += 2;
		}
		if (result && (tf['jestem_zainteresowany1'].checked || tf['jestem_zainteresowany2'].checked || tf['jestem_zainteresowany3'].checked || tf['jestem_zainteresowany4'].checked || tf['jestem_zainteresowany5'].checked || tf['jestem_zainteresowany6'].checked)) result = true;
		else if (result) { alert('Proszę wybrać rodzaj oferty'); result = false; }
		return result;

}
function setTitle(title) {
	if (document.getElementById("flashHeader")) document.getElementById("flashHeader").SetVariable('title', title);
}