function openKarta(url) {
		h = ((screen.availHeight - 450) / 4);
		l = ((screen.availWidth - 710) / 2);
		param = "menubar=0, status=0, toolbar=0, location=0, scrollbars=1, resizable=0, copyhistory=0, left=" + l + "px, top=" + h + "px, width=710px, height=450px"; 
		var ret = window.open(url, "rkarta", param);
}

function OpenPlochaI(url) {
		if (url.indexOf('?',0) < 0) 
		{	url = url + "?avail=" + screen.availHeight;
		}
		else
		{	url = url + "&avail=" + screen.availHeight;
		}
		window.open(url, "plocha");
}

function OpenPlocha(url) {
		if (url.indexOf('?',0) < 0) 
		{	url = url + "?avail=" + screen.availHeight;
		}
		else
		{	url = url + "&avail=" + screen.availHeight;
		}
		window.open(url, "rplocha");
}

function Najdi(lang) {
		var url = "./dendro1.php?lang=" + lang + "&vyraz=" + this.document.all.Fvyraz.value + "&pole=" + this.document.all.Fpole.value;
		OpenPlocha(url);
}