function changeSrc(el,img){
	if(el!=null){
		el.src=img;
	}
}

function changeTlo(el,tlo){
	if(el!=null){
		el.className=tlo;
	}
}

function czy_usun(linkp,komunikat){
	if(confirm(komunikat)){
		location.href=linkp;
	}
}


function zaznacz_checkboxy(formularz,tablica,statusel) {
	var elts=(typeof(formularz.elements[tablica+'[]'])!= 'undefined') ? formularz.elements[tablica+'[]'] : '';
	var elts_cnt = (typeof(elts.length) != 'undefined') ? elts.length : 0;
	if (elts_cnt){
		for (var i = 0; i < elts_cnt; i++){ 
		 	elts[i].checked=statusel;
		}
  } else { 
		elts.checked = statusel;
	}
}


function dodajtag(FormName,FieldName,tag,prompttext) {
	if (tag=='b'){ tag_prompt='bold'; }
	if (tag=='i'){ tag_prompt='italic'; }
	inserttext = prompt(prompttext+'\n<'+tag+'>xxx</'+tag+'>','');
	if ((inserttext != null) && (inserttext != '')) {
		document.forms[FormName].elements[FieldName].value += '<'+tag+'>'+inserttext+'</'+tag+'>';
	}
	document.forms[FormName].elements[FieldName].focus();
}

function emotikony_obrazek(pole,znaczek) {
  emotikony_pole=document.getElementById(pole);
  emotikony_pole.value=emotikony_pole.value+znaczek;
  emotikony_pole.focus();
}


function popup_image(okno,imageURL,imageTitle,w,h,margines){

	if(margines==''){
		$margines=0;
	}

	w=w+(2*margines);
	h=h+(2*margines);
	
	PositionY=(screen.height-h)/2; 
	if (PositionY<0){
		PositionY=0;
	}
	
	PositionX=(screen.width-w)/2; 
	if (PositionY<0){
		PositionY=0;
	}	
	
	
  var imgWin = window.open('',okno,'scrollbars=no,resizable=1,width='+w+',height='+h+',left='+PositionX+',top='+PositionY);
	//popup blockers should not cause errors
  if( !imgWin ) { 
		return true; 
	}

	imgWin.moveTo(PositionX,PositionY);
	imgWin.resizeTo(w,h);	
  imgWin.document.write('<html><head><title>'+imageTitle+'<\/title><\/head><body style="margin:0px; padding:0px; text-align:center"><div style="padding:'+margines+'px">'+'<img src="'+imageURL+'" alt=\"\" style=\"cursor:pointer\" onclick=\"window.close();\" />'+'<\/div><\/body><\/html>');
	
	imgWin.document.close();	
	
  if( imgWin.focus ) { 
		imgWin.focus(); 
	}

}

function popup_open(okno,adres,w,h,margines) {

	if(margines==''||!margines||margines=='undefined'||isNaN(margines)){
		margines=0;
	}

	w=w+margines;
	h=h+margines;

	top_okno=(screen.height-h)/2; 
	if (top_okno<0){
		top_okno=0;
	}
	left_okno=(screen.width-w)/2; 
	
	if (left_okno<0){
		left_okno=0;
	}

	imgWin=window.open(adres,okno,'top='+top_okno+',left='+left_okno+',width='+w+',height='+h+',toolbar=no,menubar=no,location=no,directories=no,alwaysRaised=no,status=no,scrollbars=no,resizable=yes,fullscreen=0');
	
	imgWin.moveTo(left_okno,top_okno);
	imgWin.resizeTo(w,h);	
			
	//popup blockers should not cause errors
  if( !imgWin ) { 
		return true; 
	}		
	
  if( imgWin.focus ) { 
		imgWin.focus(); 
	}

} 

function spr_email(email){
	var forma_email=/^(?:(?:\w\-*)+\.?)*\w+@(?:(?:\w\-*)+\.)+\w{1,4}$/;
	return forma_email.test(email);
}

String.prototype.trim=function(){
	return this.replace(/^\s*|\s*$/g,"");
}
function dodajfavorite() {

 var tytul = 'Kuria Płock';
 var adres = 'http://www.kuria.pl/';

 //FireFox
 if (window.sidebar) {
 window.sidebar.addPanel(tytul, adres, "");

 //IE
 } else if (window.external) {
 window.external.AddFavorite(adres, tytul);

 //Opera
 } else if (window.opera && window.print) {
 var a = document.createElement('a'); a.setAttribute('href', adres); a.setAttribute('title', tytul); a.setAttribute('rel','sidebar'); a.click();
 }

}


/*------------------------------------------------------------
	Document Text Sizer- Copyright 2003 - Taewook Kang.  All rights reserved.
	Coded by: Taewook Kang (txkang.REMOVETHIS@hotmail.com)
	Web Site: http://txkang.com
	Script featured on Dynamic Drive (http://www.dynamicdrive.com)

	Please retain this copyright notice in the script.
	License is granted to user to reuse this code on
	their own website if, and only if,
	this entire copyright notice is included.
--------------------------------------------------------------*/

//Specify affected tags. Add or remove from list:
var tgs = new Array( 'div','td','tr','p','span');

//Specify spectrum of different font sizes:
var szs = new Array( '10px','11px','12px','15px','18px','20px','24px' );
var szlh = new Array( '100%','110%','130%','150%','160%','180%','190%' );
var startSz = 2;

function ts(trgt,inc,wt) {
	if (!document.getElementById) return
	var d = document,cEl = null,sz = startSz,i,j,cTags;

	wt=parseInt(wt);

	if(wt){
		sz=wt;
	} else {
		sz += inc;
	}

	sz=parseInt(sz);

	if ( sz < 0 ) sz = 0;
	if ( sz > 6 ) sz = 6;
	startSz = sz;

	if (!(cEl = d.getElementById( trgt ))) {
		cEl = d.getElementsByTagName( trgt )[ 0 ];
	}

	cEl.style.fontSize = szs[ sz ];

	for ( i = 0 ; i < tgs.length ; i++ ) {
		cTags = cEl.getElementsByTagName( tgs[ i ] );
		for ( j = 0 ; j < cTags.length ; j++ )
                {
                    cTags[ j ].style.fontSize = szs[ sz ];
                    cTags[ j ].style.lineHeight = szlh[ sz ];
                }
	}
}
