function zapni_popis(){


	document.getElementById('popis').style.display='';
	document.getElementById('pribeh').style.display='none';
	
	document.getElementById('h2popis').className='popis aktivni';;
	document.getElementById('h2pribeh').className='pribeh';
	
}

function zapni_pribeh(){

	document.getElementById('popis').style.display='none';
	document.getElementById('pribeh').style.display='';

	document.getElementById('h2pribeh').className="pribeh aktivni";
	document.getElementById('h2popis').className="popis";
}

function kontrola_hm(hlaska){
	var m=document.kos.hm.value;
	
	if (m<50) {
		
		alert (hlaska);
		return false;
	}else {
		document.kos.submit();
		
		
	}
	
}





function keiko_over( id ){

	var str="";
	root=document.getElementById('keikomapa');
	for (i=0; c=root.childNodes[i]; i++){
	
		if (c.className=='keiko_stitky'){
		//	str+=c.id+ " ";	
			if (c.id==id){
				c.style.display="block";
				str=c.id;
			}	else{
				c.style.display="none";
			}
		}
		
	
	}
	//alert(str);
	//return false;
}

function keiko_out(){
	root=document.getElementById('keikomapa');
	for (i=0; c=root.childNodes[i]; i++){
		if (c.className=='keiko_stitky'){
			c.style.display="none";	
		}
	}
}