function otvor_okno (obrazok, sirka, vyska) {


if (window.popup_window && !window.popup_window.closed) {
  window.popup_window.resizeTo (sirka, vyska);
  }

var specifikacia = "location=no, scrollbars=no, menubars=no, toolbars=no, resizable=yes, left=0, top=0, width=" + sirka +", height=" + vyska;

var url = obrazok;

popup_window = window.open(url, "obrazok", specifikacia);

popup_window.onclick = function() {popup_window.close();}
popup_window.document.body.style.margin = "0px";
popup_window.focus();
  
}

function getObj(name) {
	var obj;

	if (document.getElementById) {
		obj = document.getElementById(name);

	} else if (document.all) {
		obj = document.all[name];

	} else if (document.layers) {
		obj = document.layers[name];

	}

	return obj;
}

function getWindowHeight() {
	var windowHeight = 0;

	if (typeof(window.innerHeight) == 'number') {
		windowHeight = window.innerHeight;

	} else {
		if ((document.documentElement) && (document.documentElement.clientHeight)) {
			windowHeight = document.documentElement.clientHeight;

		} else {
			if (document.body && document.body.clientHeight) {
				windowHeight = document.body.clientHeight;

			}
		}
	}



	return windowHeight;
}

function setHeightDependentContainers() {
	if (!getObj('stred_container')) return false;

	var uagent = navigator.userAgent.toLowerCase();

	if ( (uagent.indexOf('msie') != -1) && (uagent.indexOf('opera') == -1)  && (!(uagent.indexOf('safari') != -1 || navigator.vendor == "Apple Computer, Inc.")) && (uagent.indexOf('webtv') == -1) ) {
		h = 172;

	} else {
		h = 170;

	}

	var scrollableElement = getObj('stred_container');
    var windowHeight = getWindowHeight();
   
	var stredElement = getObj('stred');
	var spodokElement = getObj('spodok_obsah');
	var povodnaVyska = scrollableElement.scrollHeight;
	if (windowHeight > h) {
		
		scrollableElement.style.height = (windowHeight - h) + 'px';
		
		}
	
	
	//pausecomp(100);

	if ( (uagent.indexOf('msie') != -1) && (uagent.indexOf('opera') == -1)  && (!(uagent.indexOf('safari') != -1 || navigator.vendor == "Apple Computer, Inc.")) && (uagent.indexOf('webtv') == -1) ) {

	if (povodnaVyska > (windowHeight - h)) {
			stredElement.style.padding = '31px 0px 0px 150px';
			spodokElement.style.width = '650px';
	} else {
		stredElement.style.padding = '31px 0px 0px 130px';
		spodokElement.style.width = '640px';
		
		}
	
	} else {
		
		if (povodnaVyska > (windowHeight - h)) {
			stredElement.style.padding = '31px 0px 0px 150px';
			spodokElement.style.width = '640px';
	} else {
		spodokElement.style.width = '650px';
		//stredElement.style.padding = '18px 0px 0px 130px';
		}
		
		}

		

	
		


}



window.onload = function(){setHeightDependentContainers();}
window.onresize = function(){ setHeightDependentContainers(); window.setTimeout('setHeightDependentContainers();', 10); }