function unsetText(x){
    if(document.getElementById(x).value=="Google"){
        document.getElementById(x).value="";
    }
}

function setText(x){
    if(document.getElementById(x).value.length==0){
        document.getElementById(x).value="Google";
        document.getElementById(x).blur()
    }
}

function unsetTextGeneric(x, compareParameter){
    if(document.getElementById(x).value==compareParameter){
        document.getElementById(x).value="";
    }
}

function setTextGeneric(x, compareParameter){
    if(document.getElementById(x).value.length==0){
        document.getElementById(x).value=compareParameter;
        document.getElementById(x).blur()
    }
}

function changeSearchProvider(searchprovider) {
    var text = "";
    /*if(document.getElementById('q').value != 'Google'){
        text = document.getElementById('q').value;
    }
    else*/ if(document.getElementById('p').value != 'TDC Play'){
        text = document.getElementById('p').value;
    }
    else if(document.getElementById('r1').value != 'Rejs fra'){
        text = document.getElementById('r1').value;
    }
    
    var imgPath = "graphics/searchbox/";
    var googleButtonSrc;
    var rejseplanenButtonSrc;
    var playButtonSrc;
        
    /*if(searchprovider=="google"){
        googleButtonSrc = (imgPath + "google_icon_selected.png");
        document.getElementById(searchprovider).style.display = "table-row";  
        if(text != ""){
            document.getElementById('q').value=text;
        }            
    }
    else{
        googleButtonSrc = (imgPath + "google_icon.png");
        document.getElementById("google").style.display="none";
        document.getElementById('q').value="Google";
    }*/
    
    if(searchprovider=="rejseplanen"){
        rejseplanenButtonSrc = (imgPath + "rejseplanen_icon_selected.png");
        document.getElementById(searchprovider).style.display="table-row";
        if(text != ""){
            document.getElementById('r1').value=text;
        }
    }
    else{
        rejseplanenButtonSrc = (imgPath + "rejseplanen_icon.png");
        document.getElementById("rejseplanen").style.display="none";
        document.getElementById('r1').value="Rejs fra";
    }           
    
    if(searchprovider=="play"){
        playButtonSrc = (imgPath + "play_icon_selected.png");
        document.getElementById(searchprovider).style.display="table-row";
        if(text != ""){
            document.getElementById('p').value=text;
        }
    }
    else{
        playButtonSrc = (imgPath + "play_icon.png");
        document.getElementById("play").style.display="none";
        document.getElementById('p').value="TDC Play";
    }
    
    //document.getElementById("googlebutton").src = googleButtonSrc;
    document.getElementById("rejseplanenbutton").src = rejseplanenButtonSrc;
    document.getElementById("playbutton").src = playButtonSrc;
}