//ウィンドウバック
function WinBack(){
	history.back();
}

//スマートロールオーバー
//img_off -> 通常表示　img_on -> オンマウス

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);
}

//カンマ処理


function CommaAddRem(){	
	if(document.getElementsByClassName){
		var myComma = document.getElementsByClassName('comma');
		for(var k = 0; K < myComma.length; k++){
			myComma[k].onfocus = addComma(this.value);
			myComma[k].onblur = removeComma(this.value);
			
		}
	}
}
	
function addComma(value){
	    for(var j = 0; j < value.length/3; i++){
			alert(value);
 	       	value = value.replace(/^([+-]?\d+)(\d\d\d)/,"$1,$2");
	    }
	    return value;
	}
function removeComma(value) {
	alert(value);
    return value.split(",").join("");
	}

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