function _ge(a){return document.getElementById?document.getElementById(a):null}

function _trim(a){return a.replace(/^\s*|\s*$/g,"")}

function _tgl(a){
	if(!a)return;
	if(a.style.display==""||a.style.display=="block"){a.style.display="none"}
	else if(a.style.display=="none"){a.style.display="block"}}

function _chi(a,b,c,d){
	var e=_ge(a);
	e.innerHTML="<a href=\""+d+"\"><img src=\""+b+"\" alt=\""+c+"\" border=\"0\"/></a>";
}

function _rci(a,b){
	var s=_ge(a);
	var t=Math.floor(Math.random()*b.length);
	s.innerHTML="<a href=\""+b[t].uri+"\"><img src=\""+b[t].img+"\" alt=\""+b[t].alt+"\"/></a>";
}