// JavaScript Document
function changepart(partname,partnum,totalnum){
	bname=document.getElementById(partname+"_button"+partnum);
	pname=document.getElementById(partname+"_part"+partnum);
	if(bname.className=="button"){
		for(parti=1;parti<=totalnum;parti++){
			document.getElementById(partname+"_button"+parti).className="button";
			document.getElementById(partname+"_part"+parti).style.display="none";
		}
		bname.className="onbutton";
		pname.style.display="";
	}
}