function NiftyCheck(){
	if(!document.getElementById || !document.createElement)
		return(false);
	var b=navigator.userAgent.toLowerCase();
	if(b.indexOf("msie 5")>0 && b.indexOf("opera")==-1)
		return(false);
	return(true);
}

function Rounded(selector,bk,color,size){
	var i;
	var v=getElementsBySelector(selector);
	var l=v.length;
	for(i=0;i<l;i++){
		AddTop(v[i],bk,color,size);
		AddBottom(v[i],bk,color,size);
		}
}

function RoundedTop(selector,bk,color,size){
	var i;
	var v=getElementsBySelector(selector);
	for(i=0;i<v.length;i++)
		AddTop(v[i],bk,color,size);
}

function RoundedBottom(selector,bk,color,size){
	var i;
	var v=getElementsBySelector(selector);
	for(i=0;i<v.length;i++)
		AddBottom(v[i],bk,color,size);
}

function AddTop(el,bk,color,size){
	var i;
	var d=document.createElement("b");
	var cn="r";
	var lim=4;
	if(size && size=="small"){ cn="rs"; lim=2}
	d.className="rtop";
	d.style.backgroundColor=bk;
	for(i=1;i<=lim;i++){
		var x=document.createElement("b");
		x.className=cn + i;
		x.style.backgroundColor=color;
		d.appendChild(x);
		}
	el.insertBefore(d,el.firstChild);
}

function AddBottom(el,bk,color,size){
	var i;
	var d=document.createElement("b");
	var cn="r";
	var lim=4;
	if(size && size=="small"){ cn="rs"; lim=2}
	d.className="rbottom";
	d.style.backgroundColor=bk;
	for(i=lim;i>0;i--){
		var x=document.createElement("b");
		x.className=cn + i;
		x.style.backgroundColor=color;
		d.appendChild(x);
		}
	el.appendChild(d,el.firstChild);
}

function getElementsBySelector(selector){
	var i;
	var s=[];
	var selid="";
	var selclass="";
	var tag=selector;
	var objlist=[];
		if(selector.indexOf(" ")>0){  //descendant selector like "tag#id tag"
			s=selector.split(" ");
			var fs=s[0].split("#");
			if(fs.length==1) return(objlist);
			return(document.getElementById(fs[1]).getElementsByTagName(s[1]));
		}
		if(selector.indexOf("#")>0){ //id selector like "tag#id"
			s=selector.split("#");
			tag=s[0];
			selid=s[1];
		}
		if(selid!=""){
			objlist.push(document.getElementById(selid));
			return(objlist);
		}
		if(selector.indexOf(".")>0){  //class selector like "tag.class"
			s=selector.split(".");
			tag=s[0];
			selclass=s[1];
		}
		var v=document.getElementsByTagName(tag);  // tag selector like "tag"
		if(selclass=="")
			return(v);
		for(i=0;i<v.length;i++){
			if(v[i].className==selclass){
				objlist.push(v[i]);
			}
		}
	return(objlist);
}