/*
 Author : http://www.yomotsu.net
 Licensed under the GNU Lesser General Public License version 2.1
*/

/* ie png
----------------------------------------*/

function yomotsuIePng(){
	if (document.all && !window.opera && !window.XMLHttpRequest && (typeof document.getElementsByTagName("body")[0].style.outline == "undefined"))/* IE+Opera - opera - ie7up - macIE */{
		for (var i = 0; i <document.getElementsByTagName("img").length; i++) { 
		
		if (document.getElementsByTagName("img")[i].getAttribute("src").lastIndexOf(".png") != -1){
			
			var pngSrc = document.getElementsByTagName("img")[i].getAttribute("src");
			var blankSrc = pngSrc.slice(0, pngSrc.lastIndexOf("/")+1) + "png-blank.gif";
			
			document.getElementsByTagName("img")[i].style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+pngSrc+"')";
			document.getElementsByTagName("img")[i].setAttribute("src",blankSrc);
			
			}
		}
	}
}

addEvent(window, 'load', yomotsuIePng);

/* Open new win
----------------------------------------*/


yomotsuOpenWinConf = {
	className : "external",//リンク先を別ウインドウで開きたいa要素につけるclass名
	fileTypes : ["pdf","doc","xls","ppt"]//リンク先を別ウインドウで開きたいファイルの拡張子
}

var fileTypesReg = "";
for(i = 0; i <yomotsuOpenWinConf.fileTypes.length; i++){
	fileTypesReg += "."+yomotsuOpenWinConf.fileTypes[i]+"|"
}
fileTypesReg=fileTypesReg.slice(0, -1);

function yomotsuOpenWin() {
var a = document.getElementsByTagName("a");
	for (i = 0; i <a.length; i++) {
		if (new RegExp("\\b" + yomotsuOpenWinConf.className + "\\b").exec(a[i].className)||
		(new RegExp(fileTypesReg).exec(a[i].getAttribute("href")))){

			a[i].onclick = function() {
				var href = this.getAttributeNode("href").value;
				this.setAttribute("href","javascript:;");	
				window.open(href, "", "toolbar=yes, location=yes, directories=yes, status=yes, menubar=yes, scrollbars=yes, resizable=yes, close=yes");
				this.setAttribute("href",href);
				return false;
			}
			a[i].onkeypress = function() {
				var href = this.getAttributeNode("href").value;
				this.setAttribute("href","javascript:;");	
				window.open(href, "", "toolbar=yes, location=yes, directories=yes, status=yes, menubar=yes, scrollbars=yes, resizable=yes, close=yes");
				this.setAttribute("href",href);
				return false;
			}
			
		}
	}
}

addEvent(window, 'load', yomotsuOpenWin);




/* add event
----------------------------------------*/

function addEvent(obj, evType, fn){
	if (obj.addEventListener){
		obj.addEventListener(evType, fn, false);
		return true;
	}
	else if (obj.attachEvent){
		var r = obj.attachEvent("on"+evType, fn);
		return r;
	}
	else {
		return false;
	}
}