// set hidden/visible vars for Netscape 4 compatibility
if (document.layers) {
  var hidden = "hide";
  var visible = "show";
} else {
  var hidden = "hidden";
  var visible = "visible";
}
var toggle = "toggle";



function WM_checkIn(WM_id) { 
  var theObj,ss,sr,i,j,WM_layers=new Array();
  if (document.all) {
    if((document.all[WM_id].style.position != 'absolute') && (document.all[WM_id].style.position != 'relative')){
      for (ss=0 ; ss < document.styleSheets.length; ss++) {
        for (sr=0 ; sr < document.styleSheets(ss).rules.length; sr++) { 
          if (document.styleSheets(ss).rules(sr).selectorText == '#' + WM_id) {
            theObj = document.styleSheets(ss).rules(sr).style;
            break;
          }
        }
      }
    } else {
      theObj = document.all[WM_id].style;
    }
  } else if(document.layers) {
    WM_layers = new Array();
    with (document) {
      for (i=0; i<layers.length; i++) WM_layers[i]=layers[i]; {
        for (i=0; i<WM_layers.length; i++) {
          if (WM_layers[i].document && WM_layers[i].document.layers) {
            for (j=0; j<WM_layers[i].document.layers.length; j++) {
              WM_layers[WM_layers.length] = WM_layers[i].document.layers[j];
            }
            if(WM_layers[i].name == WM_id){
              theObj = WM_layers[i];
            }
          }
        }
      }
    }
  }
  return theObj;
}

function WM_changeVisibility() {
  if (document.layers || document.all) {
    var inc, endInc=arguments.length;
    for (inc=0; inc<endInc; inc+=2) {
      var daObj = WM_checkIn(arguments[inc]);
      if (arguments[inc+1] == hidden) {
        daObj.visibility = hidden;
      } else if (arguments[inc+1] == visible) {
        daObj.visibility = visible;
      } else if (arguments[inc+1] == toggle) {
        if (daObj.visibility == visible) {
          daObj.visibility = hidden;
        } else if (daObj.visibility == hidden) {
          daObj.visibility = visible;
        }
      }
    }
  }
}

function WM_moveTo(daObject, endLeft, endTop, numSteps, delay, endFunction) {
  var leftInc, topInc, daObj = new Object;
  if (typeof document.WM == 'undefined'){
    document.WM = new Object;
    document.WM.WM_moveTo = new Object;
  } else if (typeof document.WM.WM_moveTo == 'undefined') {
    document.WM.WM_moveTo = new Object;
  }
  if(endFunction) document.WM.WM_moveTo.endFunction = endFunction;
    if (daObject == "sameObj") {
      daObj = document.WM.WM_moveTo.daObj;
    } else {
      daObj = WM_checkIn(daObject);
      document.WM.WM_moveTo.daObj = daObj;
    }
  if (numSteps == 1) {
    daObj.left = endLeft;
    daObj.top = endTop;
    if(document.WM.WM_moveTo.endFunction) {
      daFunction = document.WM.WM_moveTo.endFunction;
      document.WM.WM_moveTo.endFunction = '';
      eval(daFunction);
    }
  } else {
    leftInc = (endLeft - parseInt(daObj.left)) / numSteps;
    topInc = (endTop - parseInt(daObj.top)) / numSteps;
    daObj.left = parseInt(daObj.left) + leftInc;
    daObj.top = parseInt(daObj.top) + topInc;
    numSteps--;
    setTimeout ('WM_moveTo(\'sameObj\', ' + endLeft + ', ' + endTop + ', ' + numSteps + ', ' + delay + ')', delay);
  }
}

function WM_imageSwap(daImage, daSrc){
  var objStr,obj;

  if(document.images){
    if (typeof(daImage) == 'string') {
      objStr = 'document.' + daImage;
      obj = eval(objStr);
      obj.src = daSrc;
    } else if ((typeof(daImage) == 'object') && daImage && daImage.src) {
      daImage.src = daSrc;
    }
  }
}
function WM_preloadImages() {
  if (document.images) {
    if (typeof(document.WM) == 'undefined'){
      document.WM = new Object();
    }
    document.WM.loadedImages = new Array();
    var argLength = WM_preloadImages.arguments.length;
    for(arg=0;arg<argLength;arg++) {
      document.WM.loadedImages[arg] = new Image();
      document.WM.loadedImages[arg].src = WM_preloadImages.arguments[arg];
    }
  }
}