function popupWindow(url) {
	window.open(url,'popupWindow','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width=320,height=240,screenX=150,screenY=150,top=150,left=150');
}

function tree_zmena(objLI, objIMG){
	objLI = document.getElementById(objLI);
	objIMG = document.getElementById(objIMG);
	if (objIMG.className == 'plus') {
		objIMG.className = 'minus';
		objLI.style.display = 'block';
	} else {
		objIMG.className = 'plus'
		objLI.style.display = 'none';
	}
}

function vyrobce(formular){
	window.location.href = document.form2.search.options[formular.selectedIndex].value;
}

function popupCalc(url) {
	window.open(url,'popupCalc','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no,copyhistory=no,width=600,height=500,screenX=100,screenY=100,top=100,left=100');
}

function popupSplatky(url) {
	window.open(url,'popupSplatky','toolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width=700,height=500,screenX=50,screenY=50,top=50,left=50');
}