// JavaScript Document
var interval = 0;

function docId(id) { return document.getElementById(id); }
function docStyle(id) { return docId(id).style; }

var projectscategories = [];
function toggleProjects(id) {
  if(projectscategories.length == 0) {
    var projectsdivs = document.getElementsByTagName("div");
    for (i = 0; i < projectsdivs.length; i++)
      if (projectsdivs[i].className == "projectssection") projectscategories.push(projectsdivs[i].id);
  }
  for (i = 0; i < projectscategories.length; i++) {
    if (projectscategories[i] != id) { 
      if (docStyle(projectscategories[i] + "subcategory").display == "inline") {
        docStyle(projectscategories[i]).background = "url(/img/btn-upArrow.gif) no-repeat";
        // docStyle(newscategories[i] + "link").color = "";
        docStyle(projectscategories[i] + "subcategory").display = "none";
      }
    }  
  }
  if (docStyle(id + "subcategory").display != "inline") {
    docStyle(id + "subcategory").display = "inline";
    // docStyle(id + "link").color = "#7a0916";
    docStyle(id).background = "url(/img/btn-downArrow.gif) no-repeat";
  } else {
    docStyle(id + "subcategory").display = "none";
    // docStyle(id + "link").color = "";
    docStyle(id).background = "url(/img/btn-upArrow.gif) no-repeat";
  }
}