function getStyleObject(objectId) {
    if(document.getElementById && document.getElementById(objectId)) 
		return document.getElementById(objectId).style;
    else if (document.all && document.all(objectId))
		return document.all(objectId).style;
    else if (document.layers && document.layers[objectId])
		return document.layers[objectId];
	else
		return false;
}
function showObject(objectId) {
	var styleObject = getStyleObject(objectId);
    if(styleObject) {
		styleObject.visibility = 'visible';
		styleObject.display = 'block';
		return true;
    } 
	else
		return false;
}
function hideObject(objectId) {
	var styleObject = getStyleObject(objectId);
    if (styleObject) {
		styleObject.visibility = 'hidden';
		styleObject.display = 'none';
		return true;
    }
	else
		return false;
}
function getElemById(objectId) {
    if(document.getElementById && document.getElementById(objectId)) 
		return document.getElementById(objectId);
    else if (document.all && document.all(objectId))
		return document.all(objectId);
	else
		return false;
}
function getElemByName (elemName) {
	var list = false;
	if (document.getElementsByName) {
		list = document.getElementsByName(elemName);
	} else if (document.all) {
		list = document.all(elemName)
	}
	return list;
}
function getElemByTagName (elemName) {
	var list = false;
	if (document.getElementsByTagName) {
		list = document.getElementsByTagName(elemName);
	} else if (document.all && document.all.tags) {
		list = document.all.tags(elemName)
	} else if (document.all) {
		list = document.all(elemName)
	}
	return list;
}
function addEventHandler (target, eventName, handlerName) { 
    if (target.addEventListener)
        target.addEventListener(eventName, handlerName, false);
    else if (target.attachEvent)
        target.attachEvent("on" + eventName, handlerName);
    else
        target["on" + eventName] = handlerName;
}
function triggerEvent (elementID, eventName) {
	var txt = getElemById (elementID);

	if (txt.fireEvent)
		txt.fireEvent ("on" + eventName);

	if (document.createEvent) {
		var evt = document.createEvent ("HTMLEvents");
		if (evt.initEvent)
			evt.initEvent (eventName, true, true);
		if (txt.dispatchEvent)
			txt.dispatchEvent (evt);
	}
}
function correctPNG() // correctly handle PNG transparency in Win IE 5.5 & 6.
{
   var arVersion = navigator.appVersion.split("MSIE")
   var version = parseFloat(arVersion[1])
   if ((version >= 5.5) && (document.body.filters)) 
   {
	
      for(var i=0; i<document.images.length; i++)
      {
         var img = document.images[i]
         var imgName = img.src.toUpperCase()
         
         if (imgName.indexOf("arrow") != -1) alert(imgName);
         if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
         {
        	 
            var imgID = (img.id) ? "id='" + img.id + "' " : ""
            var imgClass = (img.className) ? "class='" + img.className + "' " : ""
            var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
            var imgStyle = "display:inline-block;" + img.style.cssText
            if (img.align == "left") imgStyle = "float:left;" + imgStyle
            if (img.align == "right") imgStyle = "float:right;" + imgStyle
            if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle
            var strNewHTML = "<span " + imgID + imgClass + imgTitle
            + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
            + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
            + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>"
            img.outerHTML = strNewHTML
            
            i = i-1
         }
      }
   }    
}