function ChangeDir(obj)
	{
		var status="";
		if (res==-1) {
			status = document.getElementById("files" + obj).style.display;
			if ( status=="block" ) {
				document.getElementById("files" + obj).style.display = "none";
				document.getElementById("dir" + obj).style.backgroundImage = "url('images/dir-close.gif')";
			} else {
				document.getElementById("files" + obj).style.display = "block";
				document.getElementById("dir" + obj).style.backgroundImage = "url('images/dir-open.gif')";
			}
		} else {
			eval("status = document.all.files" + obj + ".style.display;");
			if ( status=="block" ) {
				eval("document.all.files" + obj + ".style.display = \"none\";");
				eval("document.all.dir" + obj + ".style.backgroundImage = \"url('images/dir-close.gif')\";");
			} else {
				eval("document.all.files" + obj + ".style.display = \"block\";");
				eval("document.all.dir" + obj + ".style.backgroundImage = \"url('images/dir-open.gif')\";");
			}
		} //IF
	}