function popupPokaz( id ) {
	document.getElementById( id ).style.display = 'block';
}

function popupUkryj( id ) {
	document.getElementById( id ).style.display = 'none';
}

function powieksz( id ) {
	if( document.getElementById( 'powiekszenie' ).parentNode.style.display != 'block' ) {
		document.getElementById( 'powiekszenie' ).src = '/images/loading.gif';
		document.getElementById( 'powiekszenie' ).src = '/images/stories/'+id+'_large.jpg';
		document.getElementById( 'powiekszenie' ).parentNode.style.display = 'block';
	}
	else {
		document.getElementById( 'powiekszenie' ).parentNode.style.display = 'none';
		document.getElementById( 'powiekszenie' ).src = '/images/loading.gif';
	}
}
//podświetlanie ostatnio klikniętego wiersza
function formularze() {
	if(arkusz = document.getElementById('ark_zamow')){
	var wiersze = arkusz.getElementsByTagName('tr');
	for (i=0;i<wiersze.length;i++){
		var wiersz=wiersze[i];
		wiersz.className='nonactive';
		wiersz.onclick=function(){
			for(ii=0;ii<wiersze.length;ii++){wiersze[ii].className='nonactive';}
			this.className='active';
		}
	}
}}
// formularze chowane
function initShow(){
	if(document.getElementsByClassName) {
	hiddables = document.getElementsByClassName('form2');
	for (i=0;i<hiddables.length;i++){
		var hid = hiddables[i];
//		document.getElementById('footer').textContent+=(';'+hid+';');
		var hidParent = hid.previousElementSibling;
		hid.style.display='none';
		hidParent.className='link';
		hidParent.onclick = function(){
			if (this.nextElementSibling.style.display=='block'){
				this.nextElementSibling.style.display='none';
			}else{
				this.nextElementSibling.style.display='block';
			}
		}
	}
	}
	formularze();
}

// addLoadEvent()
// Adds event to window.onload without overwriting currently assigned onload functions.
// Function found at Simon Willison's weblog - http://simon.incutio.com/

function addLoadEventShow(func)
{	
	var oldonload = window.onload;
	if (typeof window.onload != 'function'){
    	window.onload = func;
	} else {
		window.onload = function(){
		oldonload();
		func();
		}
	}

}

addLoadEventShow(initShow);	// run init onLoad