function showHide(id, toggle){
	eval("document.getElementById(id).style.visibility = \"" + toggle + "\"");
}
function newMenuOn(){
	showHide('newmenu','visible')
	}
function newMenuOff(){
	showHide('newmenu','hidden')
	}
function usedMenuOn(){
	showHide('usedmenu','visible')
	}
function usedMenuOff(){
	showHide('usedmenu','hidden')
	}
function saleenMenuOn(){
	showHide('saleenmenu','visible')
	}
function saleenMenuOff(){
	showHide('saleenmenu','hidden')
	}