//====================setup

function setup() {
initRollovers();
}

//====================/setup

//------ Daniel Nolan's rollover
function initRollovers() {

	if (!document.getElementById) return
	
	var aPreLoad = new Array();
	var sTempSrc;
	var aImages = document.getElementsByTagName('img');

	for (var i = 0; i < aImages.length; i++) {		
		if (aImages[i].className == 'img_o') {
			var src = aImages[i].getAttribute('src');
			var ftype = src.substring(src.lastIndexOf('.'), src.length);
			var hsrc = src.replace(ftype, '_o'+ftype);

			aImages[i].setAttribute('hsrc', hsrc);
			
			aPreLoad[i] = new Image();
			aPreLoad[i].src = hsrc;
			
			aImages[i].onmouseover = function() {
				sTempSrc = this.getAttribute('src');
				this.setAttribute('src', this.getAttribute('hsrc'));
			}	
			
			aImages[i].onmouseout = function() {
				if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('_o'+ftype, ftype);
				this.setAttribute('src', sTempSrc);
			}
		}
	}
}

var yomotsuOpenWin = {
	
	conf : {
		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
	},

	main : function(){
		var fileTypesReg = "";
		for(i = 0; i <yomotsuOpenWin.conf.fileTypes.length; i++){
			fileTypesReg += "."+yomotsuOpenWin.conf.fileTypes[i]+"|"
		}
		fileTypesReg=fileTypesReg.slice(0, -1);
	
		var a = document.links;
		for (i = 0; i <a.length; i++) {
			if (new RegExp("\\b" + yomotsuOpenWin.conf.className + "\\b").exec(a[i].className)||
		    	(new RegExp(fileTypesReg).exec(a[i].getAttribute("href")))){
				a[i].onclick = yomotsuOpenWin.openWin;
				a[i].onkeypress = yomotsuOpenWin.openWin;
			}
		}
	},
		
	openWin : function(){
		var uri = this.href;
		window.open(uri, "", "toolbar=yes, location=yes, directories=yes, status=yes, menubar=yes, scrollbars=yes, resizable=yes, close=yes");
		this.href = uri;
		return false;
	},
	
	addEvent : function(){
		try {
			window.addEventListener('load', yomotsuOpenWin.main, false);
		} catch (e) {
			window.attachEvent('onload', yomotsuOpenWin.main);
		}
	}
	
}

yomotsuOpenWin.addEvent();