function anketa_show()
{
	var cb = document.getElementById("content-block");
	var elem = document.getElementById("anketa");
	elem.style.display = "block";
	elem.style.marginTop = (-cb.offsetHeight - 150) + "px";

	var net = document.getElementById("net");
	var Height = document.body.scrollHeight > document.body.offsetHeight ? document.body.scrollHeight : document.body.offsetHeight;
  Height+=700;
	net.style.height = Height + "px";
	net.style.width = "100%";  
	net.style.display = "block";
  
  switchControls("SELECT", "hidden");
	switchControls("OBJECT", "hidden");
	switchControls("EMBED", "hidden");
	switchControls("IFRAME", "hidden");
}

function anketa_hide()
{
	var elem = document.getElementById("anketa");
	elem.style.display = "none";

	var net = document.getElementById("net");
	net.style.display = "none";

	switchControls("SELECT", "visible");
	switchControls("OBJECT", "visible");
	switchControls("EMBED", "visible");
	switchControls("IFRAME", "visible");
}

function switchControls(tag, val)
{
	var sel = document.getElementsByTagName(tag);
	for (var i = 0; i < sel.length; i++)
	{
	  if (!CheckInNoHide(sel[i].id))
		  sel[i].style.visibility = val;
  }
}

function CheckInNoHide(id)
{
  var masNotHide = Array(12);
  masNotHide[0] = "ctl00_ContentPlaceHolder1_ddlCity_6";
  masNotHide[1] = "ctl00_ContentPlaceHolder1_ddlLanguageLevel1";
  masNotHide[2] = "ctl00_ContentPlaceHolder1_ddlLanguageLevel2";
  masNotHide[3] = "ctl00_ContentPlaceHolder1_ddlLanguageLevel3";
  masNotHide[4] = "ctl00_ContentPlaceHolder1_VacancyDetail1_Anketa1_ddlLanguageLevel1";
  masNotHide[5] = "ctl00_ContentPlaceHolder1_VacancyDetail1_Anketa1_ddlLanguageLevel2";
  masNotHide[6] = "ctl00_ContentPlaceHolder1_VacancyDetail1_Anketa1_ddlLanguageLevel3";
  masNotHide[7] = "ctl00_ContentPlaceHolder1_Anketa1_ddlCity_1";
  masNotHide[8] = "ctl00_ContentPlaceHolder1_Anketa1_ddlLanguageLevel1";
  masNotHide[9] = "ctl00_ContentPlaceHolder1_Anketa1_ddlLanguageLevel2";
  masNotHide[10] = "ctl00_ContentPlaceHolder1_Anketa1_ddlLanguageLevel3";
  masNotHide[11] = "ctl00_ContentPlaceHolder1_Anketa1_ddlBusinessHours";
    
  for (var i=0; i < masNotHide.length; i++)  
  {
    if (masNotHide[i] == id)
      return true;
  }  
  return false;
}