function calculate()
{
	 document.getElementById('decision').style.display = 'block';
}


function showTln(pid)
{
	if(pid == 1)
	{
		document.getElementById('tallinn').style.display = 'none';	 
		document.getElementById('tartu').style.display = 'block';
		document.getElementById('navi-in').innerHTML = '<a onClick="showTln(2);" id="tln" style="margin:0px 2px 0px 0px;">Tallinna kontor</a><a id="trt" class="on" onClick="showTln(1);">Tartu kontor</a>';
		//document.getElementById('navi').innerHTML = '<a onClick="showTln(1);" id="tln" style="margin:0px 2px 0px 0px;">Tallinna kontor</a><a id="trt" onClick="showTln(2);" class="on">Tartu kontor</a>';
		
	}
	else
	{
		document.getElementById('tallinn').style.display = 'block';	 
		document.getElementById('tartu').style.display = 'none';			
		document.getElementById('navi-in').innerHTML = '<a onClick="showTln(2);" id="tln" style="margin:0px 2px 0px 0px;" class="on">Tallinna kontor</a><a id="trt" onClick="showTln(1);">Tartu kontor</a>';
		//document.getElementById('navi').innerHTML = '<a onClick="showTln(1);" id="tln" style="margin:0px 2px 0px 0px;" class="on">Tallinna kontor</a><a id="trt" onClick="showTln(2);">Tartu kontor</a>';
	}
}



function showTln_ru(pid)
{
	if(pid == 1)
	{
		document.getElementById('tallinn').style.display = 'none';	 
		document.getElementById('tartu').style.display = 'block';
		document.getElementById('navi-in').innerHTML = '<a onClick="showTln_ru(2);" id="tln" style="margin:0px 2px 0px 0px;">Таллинн</a><a id="trt" class="on" onClick="showTln_ru(1);">Тарту</a>';
		//document.getElementById('navi').innerHTML = '<a onClick="showTln(1);" id="tln" style="margin:0px 2px 0px 0px;">Tallinna kontor</a><a id="trt" onClick="showTln(2);" class="on">Tartu kontor</a>';
		
	}
	else
	{
		document.getElementById('tallinn').style.display = 'block';	 
		document.getElementById('tartu').style.display = 'none';			
		document.getElementById('navi-in').innerHTML = '<a onClick="showTln_ru(2);" id="tln" style="margin:0px 2px 0px 0px;" class="on">Таллинн</a><a id="trt" onClick="showTln_ru(1);">Тарту</a>';
		//document.getElementById('navi').innerHTML = '<a onClick="showTln(1);" id="tln" style="margin:0px 2px 0px 0px;" class="on">Tallinna kontor</a><a id="trt" onClick="showTln(2);">Tartu kontor</a>';
	}
}