function externalLinks() {
	if (!document.getElementsByTagName) return;
	var anchors = document.getElementsByTagName("a");
	for (var i=0; i<anchors.length; i++) {
		var anchor = anchors[i];
		if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "external") anchor.target = "_blank";
	}
} 

function changeActionPost(obj){
		formLogin = document.getElementById('formLoginPost');
		//alert(obj.value);
		formLogin.action= obj.value;
		if(obj.value == "http://test.qwe.cz"){
			formLogin.method= "get";
		}else{
			formLogin.method= "post";
		}
		//alert(formLogin.action);
	}
function setUvodVase(){
	document.getElementById('formLoginPost').target = '_blank';
	document.getElementById('formSearch').target = '_blank';
	var screenWidth=screen.width;var screenHeght=screen.height;document.getElementById('rozliseni').innerHTML = 'Rozlišení: '+screenWidth+'x'+screenHeght+'<br />';
	if(FlashDetect.installed){
		document.getElementById('flashVersion').innerHTML = 'Flash Player: '+' v'+FlashDetect.major+'<br />';    	
	}	
}
function tabUvod(act,span,pocet){
	span.innerHTML = StripTags(span.innerHTML);
	var active = 'tab'+act;var deactive = '';
	document.getElementById(active).className = 'active';
	document.getElementById(active+"_data").style.display = '';
	for(var i = 1;i <= pocet;i++){
		if(i != act){
			deactive = 'tab'+i;
			document.getElementById(deactive).className = '';
			document.getElementById(deactive+"_data").style.display = 'none';
		}
	}
}
function StripTags(strMod){
    if(arguments.length<3) strMod=strMod.replace(/<\/?(?!\!)[^>]*>/gi, '');
    else{
        var IsAllowed=arguments[1];
        var Specified=eval("["+arguments[2]+"]");
        if(IsAllowed){
            var strRegExp='</?(?!(' + Specified.join('|') + '))\b[^>]*>';
            strMod=strMod.replace(new RegExp(strRegExp, 'gi'), '');
        }else{
            var strRegExp='</?(' + Specified.join('|') + ')\b[^>]*>';
            strMod=strMod.replace(new RegExp(strRegExp, 'gi'), '');
        }
    }
    return strMod;
}

//funkce pro header menu
var predClass;
function actmenu(id){
	predClass = document.getElementById(id).className;
	document.getElementById(id).className = 'aktiv'; 
}
function deactmenu(id){
	document.getElementById(id).className = predClass; 
}

function clearAll(id){
	var id_sel = '';
	for(var i = 1;i< pocetLiStr;i++){
		id_sel = "menu_li_"+i;
		if(id != id_sel && activeLiStr != id_sel){
			document.getElementById(id_sel).className = ''; 
		}
	}
}
var reload = false;
var theTop = '0';
function show_map(){
	show_iframe('img=mapa');
}
function show_iframe(values){
	scrollset();
	var iframe = document.getElementById('frame_up');
	var iframeReal = document.getElementById('frame_up_real');
	iframe.style.display = 'block';	
	if(navigator.appName == "Opera"){iframe.style.background = 'transparent';}	
	iframeReal.style.display = 'block';
	var realframe = document.getElementById('data_iframe');
	html='<iframe frameborder="0" src="./iframe.php?'+values+'"></iframe>';
	realframe.innerHTML = html;
	document.getElementById('body').style.overflow = 'hidden';
	document.getElementById('body').onscroll= "scrollTo(0,0)";
	document.getElementById('id_html').style.overflow = 'hidden';
	window.scroll(0, 0) ;
}
function unshow_iframe(){
	var iframe = document.getElementById('frame_up');
	var realframe = document.getElementById('data_iframe');
	var iframeReal = document.getElementById('frame_up_real');
	iframe.style.display = 'none';
	iframeReal.style.display = 'none';
	realframe.innerHTML = "";
	document.getElementById('body').style.overflow = 'auto';
	document.getElementById('id_html').style.overflow = 'auto';
	document.getElementById('body').onscroll= "";
	window.scroll(0, theTop) ;	
	if(reload == true){
		location.href = location.href;
	}
}

function scrollset(){	
		if (document.documentElement && document.documentElement.scrollTop){
			theTop = document.documentElement.scrollTop;
		}else if(document.body){ 
			theTop = document.body.scrollTop;
		}
		
}

/*kalendarik*/
 	var casovac;
 	function zrus_zmiz(){
 		clearTimeout(casovac);
 	}
     function nastav_datum(datett,id_object){
    	document.getElementById(id_object).value = datett;
    	obj = document.getElementById('od_iframe');
    	obj2 = document.getElementById('do_iframe');
   		obj.style.display = 'none';
   		obj2.style.display = 'none'; 
    }
    function display_kalendar(id_object,zmiz){
    	obj = document.getElementById(id_object);
    	if(zmiz == '1'){
    		casovac = setTimeout("obj.style.display = 'none'", 500);
    	}else
    	if(obj.style.display == 'block'){
    		obj.style.display = 'none';
    	}else{
    		obj.style.display = 'block';
    	}
    }
	function nastav_if_smaller_datum(get_date,id_object){
		var obj = document.getElementById(id_object);
		var result1=get_date.split(",");
		var result2=obj.value.split(",");
		var doIt = false;
		if(result1[2] > result2[2]){
			doIt = true;
		}else if(result1[2] == result2[2]){
			if(result1[1] > result2[1]){
				doIt = true;
			}else if(result1[1] == result2[1]){
				if(result1[0] > result2[0]){
					doIt = true;
				}
			}
		}
		if(doIt == true){
			nastav_datum(get_date,id_object);
		}
	}