function sfObj(o,d){return o==null?null:typeof (o)=='object'?o:d?d.getElementById(o):document.getElementById(o);}
function sfaddClass(e,name)		{	e=sfObj(e);	try { var cn = ''+e.className;if ( cn.indexOf(name) == -1 ){cn = cn.replace(/  /g,' ');e.className = cn + ' ' + name;}	}catch(error){}}
function sfremoveClass(e,name)	{	e=sfObj(e);	try { var f=0,cn = ''+e.className;	while ( cn.indexOf(name) >= 0 )	{f=1;cn = cn.replace(name,'');	}if ( f== 1 ){cn = cn.replace(/  /g,' ');e.className = cn;}	}catch(error){}}
function sfToggleDiv(o,anker){
try {	var x=sfObj(o); 	if ( x.style.display == 'none' )	{		x.style.display='block';		if ( anker )			sfaddClass(anker,'sfActiveLink');	}	else {		x.style.display='none';		if ( anker )			sfremoveClass(anker,'sfActiveLink');	}}catch ( e ){}}
function sfReplaceImg(o,path){try {var x=sfObj(o);	x.src=path;}catch ( e ){}}