/* 
  ------------------------------------------------
  PVII Equal CSS Columns scripts -Version 2
  Copyright (c) 2005 Project Seven Development
  www.projectseven.com
  Version: 2.1.0
  ------------------------------------------------
*/
function P7_colH2(){ //v2.1.0 by PVII-www.projectseven.com
 var i,oh,h=0,tg,el,np,dA=document.p7eqc,an=document.p7eqa;if(dA&&dA.length){
 for(i=1;i<dA.length;i+=2){dA[i+1].style.paddingBottom='';}for(i=1;i<dA.length;i+=2){
 oh=dA[i].offsetHeight;h=(oh>h)?oh:h;}for(i=1;i<dA.length;i+=2){oh=dA[i].offsetHeight;
 if(oh<h){np=h-oh;if(!an&&dA[0]==1){P7_eqA2(dA[i+1].id,0,np);}else{
 dA[i+1].style.paddingBottom=np+"px";}}}document.p7eqa=1;
 document.p7eqth=document.body.offsetHeight;
 document.p7eqtw=document.body.offsetWidth;}
}
function P7_eqT2(){ //v2.1.0 by PVII-www.projectseven.com
 if(document.p7eqth!=document.body.offsetHeight||document.p7eqtw!=document.body.offsetWidth){P7_colH2();}
}
function P7_equalCols2(){ //v2.1.0 by PVII-www.projectseven.com
 var c,e,el;if(document.getElementById){document.p7eqc=new Array();
 document.p7eqc[0]=arguments[0];for(i=1;i<arguments.length;i+=2){el=null;
 c=document.getElementById(arguments[i]);if(c){e=c.getElementsByTagName(arguments[i+1]);
 if(e){el=e[e.length-1];if(!el.id){el.id="p7eq"+i;}}}if(c&&el){
 document.p7eqc[document.p7eqc.length]=c;document.p7eqc[document.p7eqc.length]=el}}
 setInterval("P7_eqT2()",10);}
}
function P7_eqA2(el,p,pt){ //v2.1.0 by PVII-www.projectseven.com
 var sp=10,inc=20,g=document.getElementById(el);np=(p>=pt)?pt:p;
 g.style.paddingBottom=np+"px";if(np<pt){np+=inc;
 setTimeout("P7_eqA2('"+el+"',"+np+","+pt+")",sp);}
}

var urlRoot = '/';

function vote(form, idInquiry, ajaxPath)
{
   var selected = false; 
   for (var i = 0; i < form.inquiryradio.length; i++) {
      if (form.inquiryradio[i].checked == true) {
         selected = true;
         idAnswer = form.inquiryradio[i].value;
         break;
      }
   }
   
   if (typeof(idAnswer) == 'undefined') {
      alert('Prosím, nezapomeňte vybrat svoji odpověď.');
   } else {
   
      var options = {
         method: 'post',
         onSuccess: function(response) {
            if ('!IP!' != trim(response.responseText)) {
               var hodnoty = response.responseText.split(/\//);
               // zmenime velikost pruhu s odpovedi
               var odpovedi = document.getElementsByClassName('graphb', $('inquiry-' + idInquiry));
               for (var i = 0; i < odpovedi.length; i++) {
                  // oddelime procenta od celkovych poctu
                  var hodnotyTmp = hodnoty[i].split(/#/);
                  odpovedi[i].style.width = hodnotyTmp[0] + '%';
               }
               // zmenime text
               var procentoText = document.getElementsByClassName('graphn', $('inquiry-' + idInquiry));
               for (var i = 0; i < odpovedi.length; i++) {
                  // oddelime procenta od celkovych poctu
                  var hodnotyTmp = hodnoty[i].split(/#/);
                  procentoText[i].innerHTML = hodnotyTmp[0] + '% (' + hodnotyTmp[1] + ')';
               }
               
               // nastavime text
               $('inquiry-result-' + idInquiry).innerHTML = 'Děkujeme za Váš hlas.';

                // nastavime cookie ze uz uzivatel hlasoval
                createCookie('anketa-' + idInquiry,'yes',180);
            } else {
               // nastavime text
               $('inquiry-result-' + idInquiry).innerHTML = 'Děkujeme za Váš hlas, nebude ovšem započítán, protože máte pouze jeden pro každou anketu.';
            }
            
            // vypneme hlasovaci buttony
            var radioButtony = document.getElementsByClassName('inquiry-radio', $('inquiry-' + idInquiry));
            for (var i = 0; i < radioButtony.length; i++) {
               radioButtony[i].style.display = 'none';
            }
         }
      }
      
      var update = new Ajax.Request(urlRoot + 'ajax/vote/' + idAnswer + '/' + idInquiry, options);
   }
}

/**
 * Popup okno
 *
 */
function popup (url, width, height)
{
   var windowParams = ('width=' + width + ',height=' + height + ',resizable=no, scrollbars=no');
   var okno = open(url + '/', 'newWindow', windowParams);
   okno.focus();
}

function editContent(id)
{
   popup(id, 700, 600);
}

/**
 * Odstranuje netisknutelne znaky z konce a zacatku stringu
 *
 * @param string string k osetreni
 * @return string upraveny text
 */
function trim (string)
{
 return string.replace( /^\s*|\s*$/g, '');
}

/**
 * odkaz na otevirani odkazu do novych oken
 * k odkazu se prida atribut rel="external"
 */
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";
      }
   }
}
window.onload = externalLinks;

/* zobrazit element dle ID */
function show(show) {
	var show = document.getElementById(show);
	show.style.display = 'block';
}