// Global variable setting

	var ie4x = (document.all) ? true:false;
	var ns4x = (document.layers) ? true:false;
	var ns6x = ((document.getElementById) && (!ie4x)) ? true:false;

// Layer Change

function clayer() {
		var args = clayer.arguments;
		//i = 0;
		for (var i = 0; i < args.length; i += 2) {
			if (ie4x) document.all[args[i]].style.visibility = (args[i+1] == 'v') ? "visible":"hidden";
			if (ns6x) document.getElementById(args[i]).style.visibility = (args[i+1] == 'v') ? "visible":"hidden";
			else if (ns4x) document.layers[args[i]].visibility = (args[i+1] == 'v') ? "show":"hide";
		}
	}

function jump(URL) {
    document.location.href = URL;
}

function jumpToTop(URL) {
    parent.document.location.href = URL;
}