//ISPS menu 

function expCatMenu(){
	if(document.layers){
		return;
	}
	var obj = arguments[0];    //Hikisu 
	var objImg = obj + "_img"; //Icon ID Shutoku
	var objTitle = obj + "_title"; //Icon ID Shutoku
	var objImgSrc = "cat03";//Icon Gazou Namae Shutoku
	var path = document.getElementById(objImg).src;
	end = path.lastIndexOf("/");
	path = path.substring(0,end+1);//Icon Gazou Path Shutoku

	if(document.getElementById(obj).style.display != "block"){
		document.getElementById(obj).style.display = "block";
		document.getElementById(objImg).src = path + objImgSrc + "_minus.gif";
		document.getElementById(objTitle).className = "opened";
	}else{
		document.getElementById(obj).style.display = "none";
		document.getElementById(objImg).src = path + objImgSrc + "_plus.gif";
		document.getElementById(objTitle).className = "ex";
	}
	return;
}