function over(n) {
	document.getElementById("item"+n+"_arrow").src="images/arrow_active.gif";
	document.getElementById("item"+n+"_text").style.color="#000000";
}

function out(n) {
	document.getElementById("item"+n+"_arrow").src="images/arrow_inactive.gif";
	document.getElementById("item"+n+"_text").style.color="#666642";
}

function m_over(n) {
	document.getElementById("item"+n+"_layer").style.background="#666666";
	MM_showHideLayers('subnavi_' + n,'','show');
}

function m_out(n) {
	document.getElementById("item"+n+"_layer").style.background="#b2b2b2";
	MM_showHideLayers('subnavi_' + n,'','hide');
}

function sub_m_over(n) {
	document.getElementById("item"+n+"_layer").style.background="#666666";
	MM_showHideLayers('subnavi_' + n,'','show');
}

function sub_m_out(n) {
	document.getElementById("item"+n+"_layer").style.background="#b2b2b2";
	MM_showHideLayers('subnavi_' + n,'','hide');
}

function over_profile(n) {
	document.getElementById("item"+n+"_arrow_profile").src="images/arrow_active.gif";
	document.getElementById("item"+n+"_text_profile").style.color="#000000";
}

function out_profile(n) {
	document.getElementById("item"+n+"_arrow_profile").src="images/arrow_inactive.gif";
	document.getElementById("item"+n+"_text_profile").style.color="#666642";
}

function set_cookie ( name, value) {
  	var cookie_string = name + "=" + escape ( value );
  	document.cookie = cookie_string;
}


function get_cookie ( cookie_name ) {
  	var results = document.cookie.match ( cookie_name + '=(.*?)(;|$)' );

  	if ( results )
  	  return ( unescape ( results[1] ) );
  	else
  	  return null;
}

function delete_cookie ( cookie_name ) {
  	var cookie_date = new Date ( );  // current date & time
  	cookie_date.setTime ( cookie_date.getTime() - 1 );
  	document.cookie = cookie_name += "=; expires=" + cookie_date.toGMTString();
}

function popup(url) {
 	var window2 = window.open(url,'window2','height=420,width=768,scrollbars=no,locationbar=no,menubar=no,resizable=no,statusbar=no');
}