//Open Window

function externalLinks() {
if (!document.getElementsByTagName) return;
var anchors = document.getElementsByTagName("a");
for (var i=0; i<anchors.length; i++) {
var anchor = anchors[i];
if (anchor.getAttribute("href") &&
anchor.getAttribute("rel") == "external")
anchor.target = "_blank";
}
}

//Open Window touroku

if (window.addEventListener) { //for W3C DOM
  window.addEventListener("load", externalLinks, false);
} else if (window.attachEvent) { //for IE
  window.attachEvent("onload", externalLinks);
} else  {
  window.onload = externalLinks;
}


// 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 == 'imgover') {
			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);
			}
		}
	}
}

window.onload = initRollovers;


// Popup window

function subwin_s(url){
	sbwin=window.open(url,"sbwin","width=630,height=430,location=0,scrollbars=1,resizable=1,menubar=0,status=0");
}

function subwin_m(url){
	sbwin=window.open(url,"sbwin","width=630,height=520,location=0,scrollbars=1,resizable=1,menubar=0,status=0");
}

function subwin_l(url){
	sbwin=window.open(url,"sbwin","width=630,height=700,location=0,scrollbars=1,resizable=1,menubar=0,status=0");
}