window.onload=function()
{
    expandone();
    displayNavigation();

	var sel = document.getElementById("sel");
    if (sel != null) 
    {
      sel.onchange=expandone;
    }
}

function displayNavigation()
{
	var scriptnav = document.getElementById("scriptnav");
    if (scriptnav != null)
    {
	  document.getElementById("scriptnav").style.display="block";
    }
    var pagenav = document.getElementById("pagenav");
    if (pagenav != null)
    {
      document.getElementById("pagenav").style.display="none";
    }
}

function sel_page(combo_id)
{
	var combo = document.getElementById(combo_id);
	window.location = combo.value;
}

function expandone()
{
	var sel = document.getElementById("sel");
    if (sel != null)
    {
	  document.getElementById("cont1").style.display="none";
	  document.getElementById("cont2").style.display="none";
		
	  document.getElementById("cont"+sel.value).style.display="block";
    }
}

function openmypage1()
{
	var infowin=dhtmlwindow.open("Info", "iframe", "tabs/languages_tabs.htm", "Info", "width=390px,height=350px,resize=0,scrolling=1,center=1")
}