// JavaScript Document
function updateSubnavigation(text){
  document.getElementById('subnavigation').innerHTML=text;
}
function printSub(array,pre){
  pom = "";
  for(i in array){
    if(array[i]!=""){
        pom = "<a href='"+pre+i+"' class='sub'>"+array[i]+"</a>" +pom;
    }
  }
  updateSubnavigation(pom);
}

function printSubBlank(array){
  pom = "";
  for(i in array){
    if(array[i]!=""){
      pom = "<a href='"+i+"' target='_blank' class='sub'>"+array[i]+"</a>" + pom;
    }
  }
  updateSubnavigation(pom);
}
function printStartSub(){
    switch(location.pathname){
        case '/index.php': 
          printSub(news,'article.php?id=');
          setHover('n1');
          break;
        case '/': 
          printSub(news,'article.php?id=');
          setHover('n1');
          break;
        case '/art_news.php': 
          printSub(news,'art_news.php?id=');
          setHover('n1');
          break;  
        case '/projects.php': 
          printSub(projects,'art_project.php?id=');
          setHover('n2');
          break;
        case '/art_project.php': 
          printSub(projects,'art_project.php?id=');
          setHover('n2');
          break;  
        case '/pages.php': 
          printSubBlank(pages);
          setHover('n3');
          break;
        case '/info.php': 
          printSub(info,'art_info.php?id=');
          setHover('n4');
          break;
        case '/art_info.php': 
          printSub(info,'art_info.php?id=');
          setHover('n4');
          break;          
      }
}
function setHover(id){
  document.getElementById('n1').style.backgroundImage = 'none';
  document.getElementById('n2').style.backgroundImage = 'none';
  document.getElementById('n3').style.backgroundImage = 'none';
  document.getElementById('n4').style.backgroundImage = 'none';
  document.getElementById(id).style.backgroundImage = 'url(deasign/bc2.jpg)';
}