if(document.getElementById("plink")){
	var la=document.getElementById("plink").getElementsByTagName("A"),pic=document.getElementsByName("picimg");
	function none(){for(var j=1;j<la.length-1;j++){la[j].className="";pic[j-1].style.display="none";}}
	function prev(){
		for(var i=1;i<la.length-1;i++){if(la[i].className=="focus") break;}
		if(i<=1) i=la.length-1;
		none();
		la[i-1].className="focus";pic[i-2].style.display="block";
	}
	function next(){
		for(var i=1;i<la.length-1;i++){if(la[i].className=="focus") break;}
		if(i>=la.length-2) i=0;
		none();
		la[i+1].className="focus";pic[i].style.display="block";
	}
	for(var i=1;i<la.length-1;i++) la[i].onclick=function(){
		none();
		this.className="focus";
		this.blur();
		for(var i=1;i<la.length-1;i++)	pic[i-1].style.display=la[i].className=="focus"?"block":"none";
		return false;
	}
}