function zmien(id) {
	document.getElementById(id).style.display=(document.getElementById(id).style.display=='block')?'none':'block';
}

function browserVersion() {
	var agt = navigator.userAgent.toLowerCase();

	this.major = parseInt(navigator.appVersion);
	this.minor = parseFloat(navigator.appVersion);

	this.nav    = ((agt.indexOf('mozilla')!=-1) && ((agt.indexOf('spoofer')==-1) && (agt.indexOf('compatible') == -1)));
	this.nav4up = this.nav && (this.major == 4);
	this.nav6 	= this.nav && (this.major >= 5);

	this.navonly = (this.nav && (agt.indexOf(";nav") != -1));

	this.ie     = (agt.indexOf("msie") != -1);
	this.ie4up  = this.ie  && (this.major >= 4);
	this.ie5up  = this.ie && (navigator.appVersion.indexOf('compatible; MSIE 5.0') != -1)

	this.opera = (agt.indexOf("opera") != -1);

	this.ver4up = (this.ie4up || this.nav4up );
}
var browserVersion = new browserVersion();

function openNonscrolledWindow(theURL,winName,myWidth, myHeight, isCenter) { 
  if(window.screen)
	if(isCenter)
		if(isCenter=="true")
		{	var myLeft = (screen.width-myWidth)/2;
    			var myTop = (screen.height-myHeight)/2;
		window.open(theURL,winName,'location=0,directories=0,scrollbars=no,toolbar=0,menubar=0,resizable=0,status=0,width='+myWidth+',height='+myHeight+',left=' + myLeft+ ',top=' + myTop)
  }																		  
}
function openscrolledWindow(theURL,winName,myWidth, myHeight, isCenter) { 
  if(window.screen)
	if(isCenter)
		if(isCenter=="true")
		{	var myLeft = (screen.width-myWidth)/2;
    			var myTop = (screen.height-myHeight)/2;
		window.open(theURL,winName,'location=0,directories=0,scrollbars=yes,toolbar=0,menubar=0,resizable=0,status=0,width='+myWidth+',height='+myHeight+',left=' + myLeft+ ',top=' + myTop)
  }																		  
}

function okno_adresy(nazwa_pola,nazwa_pola2,lang){
	openscrolledWindow('admin/index.php?GOTO=adresy_link&LANG='+lang+'&np='+nazwa_pola+'&np2='+nazwa_pola2,'okno_01', 700, 550, 'true')
}
function okno_kod(nazwa_pola){
	openscrolledWindow('kod.php?np='+nazwa_pola,'okno_01', 700, 400, 'true')
}

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

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		o1 = newImage("images/arrow.png");
		o2 = newImage("images/arrow2.png");
		preloadFlag = true;
	}
}
function bookmarkit(){
	if (document.all){	
		window.external.addFavorite('http://www.amdar.pl','Amdar.pl - wszystko dla stomatologii');
	}

}