function show(toShow) {
	showWhat=document.getElementById(toShow);
	showWhat.style.display='block';
}

function hide(toHide) {
	hideWhat=document.getElementById(toHide);
	hideWhat.style.display='none';
}

function showpic(pic) {		
	show("hiddenpicwrapper");
	show("hiddenpic");
	show("detailpic");
	
	obrazek=document.getElementById("detailpic");
	newpic = new Image();
	newpic.src=pic;
	obrazek.src=newpic.src;
	actualpic=pic;
}
	
function hidepicdiv() {
	obrazek=document.getElementById("detailpic");
	newpic = new Image();
	newpic.src="img/whitepic.gif";
	obrazek.src=newpic.src;
	
	hide("detailpic");
	hide("hiddenpic");
	hide("hiddenpicwrapper");		
}


function showhide(idprvku) {
	showhidebtn=document.getElementById('frm_control');	
	testWhat=document.getElementById(idprvku);
	
	if(testWhat.style.display=='none') {
		testWhat.style.display='block';
		showhidebtn.innerHTML='SKRÝT VYHLEDÁVACÍ FORMULÁŘ';
	} else {
		testWhat.style.display='none';
		showhidebtn.innerHTML='ZOBRAZIT VYHLEDÁVACÍ FORMULÁŘ';
	}
}