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++) Bottom(v[i],bk,color,size);
}

function AddTop(el,bk,color,size){
	var i;
	var d = document.createElement("b");
	var cn = "r";
	var lim = 10;
	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 = 10;
	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);
}
function makecorners() {
	if(!NiftyCheck()) return;
	Rounded("div.infobox","#585858","#ECECEC");
}