window.defaultStatus = '';

function mouseout()
{
	window.defaultStatus = '';
}

function mouseover(text)
{
	window.defaultStatus = text;	 
}

function back()
{
	history.go(-1)
}

<!--
menu_status = new Array(); 
function showHide(theid){
    if (document.getElementById) {
    var switch_id = document.getElementById(theid);

        if(menu_status[theid] != 'show') {
           switch_id.className = 'show';
           menu_status[theid] = 'show';
        }else{
           switch_id.className = 'hide';
           menu_status[theid] = 'hide';
        }
    }
}

//-->