function numbersonly(e){
	var key;
	var keychar;

	if(window.event)
		key = window.event.keyCode;
	else if(e)
		key = e.which;
	else
		return true;

	keychar = String.fromCharCode(key);

	// control keys
	if ((key==null) || (key==0) || (key==8) || (key==9) || (key==13) || (key==27) )
		return true;
	// numbers
	else if ((("0123456789").indexOf(keychar) > -1))
		return true;
	else
		return false;
};

function zobrazNahled(id_obrazek,filename_nahled,filename_velky){
	$('modelovarada_nahled').firstChild.href="./underwood/download/produkty/images/"+id_obrazek+"/velky/"+filename_nahled;
	$('modelovarada_nahled').firstChild.firstChild.src="./underwood/download/produkty/images/"+id_obrazek+"/nahled/"+filename_velky;
	return false;
};

function kosikPridatUpozorni(element){
	var pozice=Position.positionedOffset(element);
	$('notice').hide();
	$('notice').style.left=(pozice[0]+14)+'px';
	$('notice').style.top=(pozice[1]+36)+'px';
	$('notice').show();setTimeout('$(\'notice\').hide()',1.5*1000);
};

function kosikPridat(element,id,modelovarada){
	new Ajax.Request('./php/aac_kosik_pridat.php', { method:'get', parameters: {id: id, modelovarada: modelovarada}, onSuccess: function(transport) {kosikVypsat(); kosikPridatUpozorni(element.parentNode.parentNode.parentNode);}});
	return false;
};

function kosikPridatSestava(element,id,modelovarada){
	new Ajax.Request('./php/aac_kosik_pridat_sestava.php', { method:'get', parameters: {id: id, modelovarada: modelovarada}, onSuccess: function(transport) {kosikVypsat(); kosikPridatUpozorni(element.parentNode.parentNode);}});
	return false;
};

function kosikOdstranit(id){
	new Ajax.Request('./php/aac_kosik_odstranit.php', { method:'get', parameters: {id: id}, onSuccess: function(transport) {kosikVypsat()}});
	return false;
};

function kosikVypsat(){
	new Ajax.Updater('kosik', './php/aac_kosik_vypsat.php', { method: 'get' });
};

function kosikVyprazdnit(){
	if(confirm('opravdu smazat celý obsah košíku?')){
		new Ajax.Updater('kosik', './php/aac_kosik_vyprazdnit.php', { method: 'get' });
	};
	return false;
};

function eshopPridatUpozorni(element){
	var pozice=Position.positionedOffset(element);
	$('notice').hide();
	$('notice').style.left=(pozice[0]+14)+'px';
	$('notice').style.top=(pozice[1]+36)+'px';
	$('notice').show();setTimeout('$(\'notice\').hide()',1.5*1000);
};

function eshopPridat(element,id,modelovarada){
	new Ajax.Request('./php/aac_eshop_pridat.php', { method:'get', parameters: {id: id, modelovarada: modelovarada}, onSuccess: function(transport) {eshopVypsat(); eshopPridatUpozorni(element.parentNode.parentNode.parentNode);}});
	return false;
};

function eshopPridatSestava(element,id,modelovarada){
	new Ajax.Request('./php/aac_eshop_pridat_sestava.php', { method:'get', parameters: {id: id, modelovarada: modelovarada}, onSuccess: function(transport) {eshopVypsat(); eshopPridatUpozorni(element.parentNode.parentNode);}});
	return false;
};

function eshopOdstranit(id){
	new Ajax.Request('./php/aac_eshop_odstranit.php', { method:'get', parameters: {id: id}, onSuccess: function(transport) {eshopVypsat()}});
	return false;
};

function eshopVypsat(){
	new Ajax.Updater('eshop', './php/aac_eshop_vypsat.php', { method: 'get' });
};

function eshopVyprazdnit(){
	if(confirm('opravdu smazat celý obsah košíku?')){
		new Ajax.Updater('eshop', './php/aac_eshop_vyprazdnit.php', { method: 'get' });
	};
	return false;
};


function prodejciHledat(cesta,mesto){
	location.href=cesta+'/prodejci/hledat/'+mesto+'/';
	return false;
};

function changePriceLevel(element){
	$(element).blur();
	$$('.produkt_typbox .cena').each(function(item){
		if(item.hasClassName('cena'+element.value)){
			item.show();
		} else {
			item.hide();
		};
	});
	$$('#latky .latka').each(function(item){
		if(item.id=='latka'+element.value){
			item.show();
		} else {
			item.hide();
		};
	});	
};

function newWindow(url,width,height){
	//window.open(url,'jitona_popup','width='+width+',height='+height+'top='+((screen.height-height)/2)+',left='+((screen.width-width)/2));
	$('overlay').style.display='block';
	return false;
};


function hledatArtikl(form){
	new Ajax.Updater('pocet', './php/aac_katalog_pocet.php', { method: 'get',parameters: Form.serialize(form)});
};