var fromIsSelected=0;

function selectCity(x1, y1, sName)
{
    var city, from=0;
    if(fromIsSelected==0)
    {
        city=document.getElementById('cityFrom');
        fromIsSelected=1;
        from=1;
    }
    else
    {
        city=document.getElementById('cityTo');
    }
    city.style.left=x1;
    city.style.top=from==1?y1-490:y1-502;
    city.innerHTML=sName;
}
function resetSelection(div)
{
    div.innerHTML='';
    if(div.id=='cityFrom') fromIsSelected=0;
}
function invokeSearch()
{
    var from, to;
    from=document.getElementById('cityFrom');
    to=document.getElementById('cityTo');
    location.href='search.aspx?.t=searchroutes&orig='+from.innerHTML+'&dest='+to.innerHTML;
}