function ow(html) {
if (html != "") {
w = window.open(html, "win1", "top=20,left=20,scrollbars=yes,resizable=yes");
w.focus();
return false;
}
}


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);
}




function eraseTA(obj){
if (obj.value == obj.defaultValue) obj.value = "";
}


function ch_type(sel){
// onchangeでウィンドウを開く方法を選択
var form=document.form1;
var open_type=sel.options[sel.selectedIndex].value;
if(open_type==1){form.target="_blank";}
else{form.target="";}
}