window.onload = function(){
	var cookie_value = cookie.read("fontsizeclass");
	var rootNode = document.getElementById("fsize");
	var imgTag = rootNode.getElementsByTagName("img");
	var fs = "fsize_s";
	var fm = "fsize_m";
	var fl = "fsize_l";
	var flag;

	var rootjsr = document.getElementById("point_area_jsr");
	var rootjsredi = document.getElementById("edi_area");
	if (rootjsr != null||rootjsredi != null) {
		var aTag = rootjsr.getElementsByTagName("a");
		var eaTag = rootjsredi.getElementsByTagName("a");
		aTag[0].onclick = function(){openwin()}
		eaTag[0].onclick = function(){openwin()}
	}

	function openwin(){
		window.open('/service/jsr/jsr_edi_list.html','','width=600,height=860,scrollbars=yes');return false;
	}

	if(cookie_value == ""||cookie_value == fs){
		changesize(fs,"0");
	}else if(cookie_value == fm){
		changesize(fm,"1");
	}else if(cookie_value == fl){
		changesize(fl,"2");
	}

	for (var i=0; i<imgTag.length; i++){
		imgTag[i].onmouseover = function(){
			var check = this.src.indexOf("_on.gif");
			if(check == -1){
				this.src = this.src.split(".gif")[0]+"_on.gif";
			}
		}
		imgTag[i].onmouseout = function(){
			var check = this.src.indexOf("_on.gif");
			if(check != -1&&this.src != flag){
				this.src = this.src.split("_on.gif")[0]+".gif";
			}
		}
	}

	function changesize(data,btnum){
		bodyclass = document.getElementsByTagName("body");
		bodyclass[0].className = data;
		cookie.write("fontsizeclass",data);

		for (var i=0; i<imgTag.length; i++){
			var sentence = imgTag[i].src;
			var sentence_point = sentence.indexOf("_on.gif");
			if(sentence_point != -1){
				imgTag[i].src = imgTag[i].src.split("_on.gif")[0]+".gif";
			}
		}
		imgTag[btnum].src = imgTag[btnum].src.split(".gif")[0]+"_on.gif";
		flag = imgTag[btnum].src;
		//alert(flag);
	}
		

	document.getElementById("small").onclick = function (){changesize(fs,"0");}
	document.getElementById("middle").onclick = function (){changesize(fm,"1");}
	document.getElementById("large").onclick = function (){changesize(fl,"2");}

	//JSR-POSページのリンク
	//aTag[0].onclick = function(){
	//		window.open('jsr_edi_list.html','','width=600,height=860,scrollbars=yes');return false;
	//}


}
	
var cookie = {

	write : function (theName,theValue){
		if ((theName != null) && (theValue != null)){
			var expDay = "Wed, 01 Jan 2020 18:56:35 GMT";	//　指定されない場合とりあえず2020年
				var setDay = new Date();
				setDay.setTime(setDay.getTime()+(30*1000*60*60*24));
				expDay = setDay.toGMTString();
				//var roott = "/";
			//document.cookie = theName + "="+escape(theValue)+"; path="+escape(roott)+"; expires="+expDay;
			document.cookie = theName + "="+escape(theValue)+"; path=/; expires="+expDay;
			//document.cookie = theName + "="+escape(theValue)+"; expires="+expDay;
			//alert(document.cookie);
			return true;
		}
		return false;
	},
	read : function (theName){
		theName += "=";	//　=を追加して検索の手抜きをする
		theCookie = document.cookie+";";	//　検索時最終項目で-1になるのを防ぐ
		start = theCookie.indexOf(theName);	//　指定された名前を検索する
		if (start != -1){
			end = theCookie.indexOf(";",start);
			return unescape(theCookie.substring(start+theName.length,end));
		}
		return false;
	}

}