if (document.getElementById && document.createTextNode){canDOM=true}
function collapse(id){
	if (canDOM && document.getElementById(id)){
		elm=document.getElementById(id);
		elm.style.display=elm.style.display=='none'||elm.style.display==''?'block':'none';
	}
}
if (canDOM){
	document.write('<style type="text/css">.pinglist{display:none;}.write{display:none;}</style>')
}
if (canDOM){
	document.write('<style type="text/css">#pinglist5{display:none;}.write{display:none;}</style>')
}