/*
son of suckerfish menu script from:
http://www.htmldog.com/articles/suckerfish/dropdowns/
 */
 
 /*
sfHover = function() {
  var sfEls = document.getElementById("nav").getElementsByTagName("LI");
  for (var i=0; i<sfEls.length; i++) {
    sfEls[i].onmouseover=function() {
      this.className+=" sfhover";
      this.style.zIndex=200; //this line added to force flyout to be above relatively positioned stuff in IE
    }
    sfEls[i].onmouseout=function() {
      this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
    }
  }
}

if (window.attachEvent) window.attachEvent("onload", sfHover);

*/

function dropmenu(menuItem) {
  var tsubmenuItem = menuItem.getElementsByTagName('ul');
  var submenuItem = '';
  for (var i = 0; i < tsubmenuItem.length; i++ ) {
    if (tsubmenuItem[i].className != '') {
      submenuItem = tsubmenuItem[0];
      break;
    }
  }
  if (menuItem.className == 'topnav-off') {
    menuItem.className = 'topnav-on';
    submenuItem.className = 'topsubnav-on';
  } else if(menuItem.className == 'topnav-on') {
    menuItem.className = 'topnav-off';
    submenuItem.className = 'topsubnav-off';
  }
}

function buttonHov(btn, from, to) {
  if (btn.src == 'img/sys/button-' + to + '.gif') {
    btn.src = 'img/sys/button-' + from + '.gif';
  } else {
    btn.src = 'img/sys/button-' + to + '.gif';
  }
}

//function contentsFill() {
//  red = document.getElementById('cont-right').offsetHeight;
//  green = document.getElementById('wrap-cont').offsetHeight;
//  blue = document.getElementById('cont-left').offsetHeight;
//  h = red - green;
//  if (h > 0) {
//    h += blue - 2;
//    document.getElementById('cont-left').style.height = h + "px";
//  } else {
//    if (navigator.appName != 'Microsoft Internet Explorer') {
//      document.getElementById('cont-left').style.height = "auto";
//    }
//  }
//}

//window.onresize = contentsFill;