/*--------------------------------------------------------------------------*
 *  
 *  alphafilter JavaScript Library beta13
 *  
 *  MIT-style license. 
 *  http://blog.webcreativepark.net/2007/02/01-233315.html
 * 
 *  2007-2009 Kazuma Nishihata 
 *  http://www.to-r.net
 *  
 *--------------------------------------------------------------------------*/
new function(){
try{
if (navigator.userAgent.indexOf("MSIE")!= -1 && navigator.appVersion.indexOf("6.0")!= -1) {//for old ie
var elements = getElementsByClassName("alphafilter");
for (var i=0; i<elements.length; i++) {
var element = elements[i];
if(element.nodeName=="IMG"){
var newimg           = document.createElement("b");
for(var key in element.currentStyle){
newimg.style[key]=element.currentStyle[key];
}
newimg.className     = element.className;
newimg.style.display = "inline-block";
newimg.style.zoom = "1";
newimg.style.width   = element.width;
newimg.style.height  = element.height;
newimg.style.styleFloat   = element.align;
newimg.style.filter  = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src="+element.src+",sizingMethod='scale')";
newimg.originalSrc = element.src;
if (element.parentNode.tagName == "A") {
element.parentNode.style.cursor = "pointer";
element.parentNode.style.position="relative";
newimg.style.cursor = "pointer";
}
newimg.images = new Image();
newimg.images.src = element.src;
element.className.split(/\s+/);

element.parentNode.insertBefore(newimg,element)
element.style.display="none";
}else{
var anchors = element.getElementsByTagName("a");
for (var j=0; j<anchors.length; j++) {
var anchor = anchors[j];
anchor.style.position="relative";
anchor.style.cursor="pointer";
}
var iputs = element.getElementsByTagName("input");
for (var j=0; j<iputs.length; j++) {
var iput = iputs[j];
iput.style.position="relative";
}
var iputs = element.getElementsByTagName("textarea");
for (var j=0; j<iputs.length; j++) {
var iput = iputs[j];
iput.style.position="relative";
}
var iputs = element.getElementsByTagName("select");
for (var j=0; j<iputs.length; j++) {
var iput = iputs[j];
iput.style.position="relative";
}
var  newimg = element.currentStyle.backgroundImage || element.style.backgroundImage;
newimg.match(/^url[("']+(.*\.png)[)"']+$/i)
var newimg = RegExp.$1;
element.style.filter ="progid:DXImageTransform.Microsoft.AlphaImageLoader(src="+newimg+",sizingMethod='scale')";
element.style.background = "none";
}
}
}
}catch(e){}
function imageReplace(){
var btnClassName = "btn";
var objAll = document.getElementsByTagName ? document.getElementsByTagName("*") : document.all;
for (var i = 0; i < objAll.length; i++) {
var btn=false;
var eltClass = objAll[i].className.split(/\s+/);
for (var j = 0; j < eltClass.length; j++) {
if (eltClass[j] == btnClassName)btn = true;
}
if(btn == true){
if(objAll[i].originalSrc){
objAll[i].rolloverSrc = objAll[i].originalSrc.replace(/(\.gif|\.jpg|\.png)$/,"_on$1");
objAll[i].onmouseover = function(){
this.style.filter ="progid:DXImageTransform.Microsoft.AlphaImageLoader(src="+this.rolloverSrc+",sizingMethod='scale')";
}
objAll[i].onmouseout = function(){
this.style.filter ="progid:DXImageTransform.Microsoft.AlphaImageLoader(src="+this.originalSrc+",sizingMethod='scale')";
}
}else{
if(objAll[i].nodeName=="IMG"){
objAll[i].originalSrc = objAll[i].src
objAll[i].rolloverSrc = objAll[i].src.replace(/(\.gif|\.jpg|\.png)$/,"_on$1")
objAll[i].onmouseover = function(){
this.src = this.rolloverSrc;
}
objAll[i].onmouseout = function(){
this.src = this.originalSrc;
}
}
}
}
}
}
function getElementsByClassName(className){
var i, j, eltClass;
var objAll = document.getElementsByTagName ? document.getElementsByTagName("*") : document.all;
var objCN = new Array();
for (i = 0; i < objAll.length; i++) {
eltClass = objAll[i].className.split(/\s+/);
for (j = 0; j < eltClass.length; j++) {
if (eltClass[j] == className) {
objCN.push(objAll[i]);
break;
}
}
}
return objCN;
}
function addEvent(elm,listener,fn){
try{
elm.addEventListener(listener,fn,false);
}catch(e){
elm.attachEvent("on"+listener,fn);
}
}
addEvent(window,"load",imageReplace)
}