function UB_showHideObject() { //v2.0
  var i,p,v,obj,args=UB_showHideObject.arguments;
  for (i=0; i<(args.length-1); i+=2) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+1];
    if (obj.style) { obj=obj.style; v=(v=='off')?'none':(v=='on')?'block':v; }
    obj.display=v; }
}
function UB_changeClass() { //v1.0
	var i,myObj,myClass,args=UB_changeClass.arguments;
	for (i=0; i<(args.length-1); i+=2) {
		myObj=MM_findObj(args[i]);
		myObj.className=args[i+1];
	}
}
function UB_genPop(myUrl,myWinName,myWidth,myHeight,myPars) { //v2.0
	var winLeft=(screen.availWidth-myWidth)/2;
	var winTop=(screen.availHeight-myHeight)/2;
	var winParameters=myPars+'';
	if (winParameters=='') { winParameters = ',toolbar=no,location=no,status=no,menubar=no,scrollbars=no,resizable=no'; }
	newWin=window.open(myUrl,myWinName,'width='+ myWidth +',height='+ myHeight +',left='+ winLeft +',top='+ winTop + winParameters);
	newWin.focus();
}
function UB_credits(myCredits) { //v2.0
	newWinCredits=window.open(myCredits,'credits','width=230,height=134,left='+ (screen.availWidth-320) +',top='+ (screen.availHeight-240) +',toolbar=no,location=no,status=no,menubar=no,scrollbars=no,resizable=no');
	newWinCredits.focus();
}