function $(id) {
	if (document.getElementById) return document.getElementById(id);
	else if (document.all) return document.all[id];
	else if (document.layers) return document.layers[id];
}
function ukryjElement(nazwa) {
	$(nazwa).style.display = 'none';
}
function PokazElement(nazwa) {
	$(nazwa).style.display = 'inline';
}

/* MENU */
function setMenuOver(ref, child) {
	ref.className='menu_top_over';
	child.style.color='#ffffff';
}
function setMenuOut(ref, child) {
	ref.className='menu_top';
	child.style.color='#000000';
}
function setMenuOverWspolpraca(ref, child) {
	ref.className='menu_top_wspolpraca_over';
	child.style.color='#000000';
	$('bok_rightcorner').style.backgroundImage='url(bitmaps/menu_bok_niebieski.jpg)';
}
function setMenuOutWspolpraca(ref, child) {
	ref.className='menu_top_wspolpraca';
	child.style.color='#ffffff';
	$('bok_rightcorner').style.backgroundImage='url(bitmaps/menu_bok_granat.jpg)';
}
function setAllMenuOut() {
	setMenuOut("menu_onas");
	setMenuOut("menu_oferta");
	setMenuOut("menu_serwis");
	setMenuOut("menu_raty");
	setMenuOut("menu_praca");
	setMenuOut("menu_kontakt");
}
/* MENU */



function obsadzFlasha(nazwa_pliku, szer, wys) {
	document.write('<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8" id="flash" width="'+szer+'" height="'+wys+'">');
  	document.write('<param name="movie" value="'+nazwa_pliku+'">');
	document.write('<param name="bgcolor" value="#FFFFFF">');
	document.write('<param name="quality" value="high">');
	document.write('<param name="allowscriptaccess" value="samedomain">');
	document.write('<param name="wmode" value="transparent">');
  	document.write('<embed type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" width="'+szer+'" height="'+wys+'" name="flash" src="'+nazwa_pliku+'" bgcolor="#FFFFFF" quality="high" swLiveConnect="true" wmode="transparent" allowScriptAccess="samedomain"></embed>');
	document.write('</object>');
}

function obsadzFlashaScrolltext(marquee) {
	document.write(' <object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0" width="640" height="20" id="Marquee" align="middle"><param name="allowScriptAccess" value="sameDomain" /><param name="movie" value="flash/marquee.swf" /><param name="quality" value="low" /><param name="wmode" value="transparent" /><param name="flashvars" value="receiverVar='+marquee+'"><embed src="flash/marquee.swf" quality="low" width="640" height="20" name="marquee" align="middle" allowScriptAccess="sameDomain" type="application/x-shockwave-flash" wmode="transparent" pluginspage="http://www.macromedia.com/go/getflashplayer" FlashVars="receiverVar='+marquee+'" /></object>');
	
}

function popupImage(url, width, height) {
		lok_hor=((screen.availWidth/2)-(width/2));
		lok_ver=((screen.availHeight/2)-(height/2));
        var Win = window.open(url,"enlarge",'width=' + (width+37) + ',height=' + (height+30) + ',resizable=1,scrollbars=auto,menubar=no,top='+lok_ver+',left='+lok_hor+',location=no');
		//var Win = window.open(url,"enlarge", 'resizable=1,scrollbars=1,menubar=no,top='+lok_ver+',left='+lok_hor+',location=no');
}

/* WALIDACJA */
function validateContacForm() {
	if( sprawdzCzyEmail($('email').value) && $('temat').value!='' && $('tresc').value!='')
	return true;
	else return false;
}

function sprawdzCzyEmail(string) {
	wzor=/^[a-zA-Z0-9ąęóńżźćśłĄĘÓŃŻŹĆŚŁ\.\-]{1,30}@[a-zA-Z0-9ąęóńżźćśłĄĘÓŃŻŹĆŚŁ\-]+(\.[a-zA-Z0-9ąęóńżźćśłĄĘÓŃŻŹĆŚŁ\-]+)+$/;
	if (string.match(wzor)) return true;
	else return false;
}

function popup_kalkulator() {
	window.open('popup_kalkulator.htm','kalkulator','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=no,width=400,height=244,screenX=150,screenY=150,top=100,left=100');
}
function popup_kontakt(referer) {
	window.open('popup_kontakt.php?referer='+referer,'kontakt','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=auto,resizable=yes,copyhistory=no,width=560,height=350,screenX=150,screenY=150,top=100,left=100');
}