/*--------------------------------------------------------------------------*

 *  

 *  alphafilter JavaScript Library beta10

 *  

 *  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 (typeof document.body.style.maxHeight == "undefined") {//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.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')";

					if (element.parentNode.tagName == "A") {

						element.parentNode.style.cursor = "pointer";

						element.parentNode.style.position="relative";

						newimg.style.cursor = "pointer";

					}

					//element.parentNode.replaceChild(newimg,element);

					element.parentNode.appendChild(newimg);

					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 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;

	}

}