//js - shop - nalada (iso-8859-2)
function check() { //kontrola formulare vyhledat
   if (window.document.getElementById('srch').value.length < 4) {
	   alert('Zadejte minimálně 4 znaky!');
	   return false;
   } else return true;
}

function checkvalue(i) { //kontrola hodnoty
   if (parseInt(i) < 1) {
	   alert('Zadejte kladné celé číslo!');
	   return false;
   } else return true;
}

function popitup(url,target) {
var iMyWidth;
var iMyHeight;
var WindowWidthh = 990;
var WindowHeightt = 500;
//half the screen width minus half the new window width (plus 5 pixel borders).
//iMyWidth = (window.screen.width/2) - (300);
//half the screen height minus half the new window height (plus title and status bars).
//iMyHeight = ((window.screen.height-900)/2) - (300);
iMyWidth = ((window.screen.width-WindowWidthh)/2);


	newwindow=window.open(url,target,'height='+WindowHeightt+',width='+WindowWidthh+',left=' + iMyWidth + ',top=155,screenX=' + iMyWidth + ',resizable=yes,scrollbars=yes,location=no');
	if (window.focus) {newwindow.focus();}
	return false;
}