// ---------------------- RollOverScript ----------------------

function smartRollover() {
	if(document.getElementsByTagName) {
		var images = document.getElementsByTagName("img");

		for(var i=0; i < images.length; i++) {
			if(images[i].getAttribute("src").match("_off."))
			{
				images[i].onmouseover = function() {
					this.setAttribute("src", this.getAttribute("src").replace("_off.", "_on."));
				}
				images[i].onmouseout = function() {
					this.setAttribute("src", this.getAttribute("src").replace("_on.", "_off."));
				}
			}
		}
	}
}

if(window.addEventListener) {
	window.addEventListener("load", smartRollover, false);
}
else if(window.attachEvent) {
	window.attachEvent("onload", smartRollover);
}

// ---------------------- Language switch ----------------------

function LangChange(lang){

	var checknum;
	var replacenum;
	var locnum;
	var urlnum=document.URL;
	
	if(lang == 'ja'){
		checknum = '/en/';
		replacenum = '/ja/';
	}else if(lang == 'en'){
		checknum = '/ja/';
		replacenum = '/en/';
	}else{
		//return null;
	}
	
	if(urlnum.match(checknum) != null){
		locnum = urlnum.replace(checknum,replacenum);
		location.href = locnum;
	}else{
		//return null;
	}
}

// ---------------------- sidemenu switch ----------------------

function sidemenu_switch(categorynum){

		var urlnum=document.URL;
		var checknum = '/'+categorynum;
		
	if(urlnum.match(checknum) != null){
		var searchnum = urlnum.indexOf(checknum,0) + categorynum.length +1;
		var pagenum = urlnum.slice(searchnum,searchnum+1);
		var btname = categorynum + pagenum + "bt";
		
		if(document.images[btname].src.match("_off.")){
			var herenum = document.images[btname].src.replace("_off.", "_here.");
			document.images[btname].src = herenum;
		}

	}else{
		return null;
	}
	
}

function sidemenu_switch_cms(btnId){	
	var btname = btnId;
	if(document.images[btname].src.match("_off.")){
		var herenum = document.images[btname].src.replace("_off.", "_here.");
		document.images[btname].src = herenum;
	}else{
		return null;
	}
	
}

// ---------------------- footer switch ----------------------

function text_switch(linkId){
	var targetStr = linkId;
	var targetElem = document.getElementById(targetStr);
	if(targetElem){
		targetElem.style.color = "#7F0019";
	}else{
		return false;
	}
}