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++) {
		if (v[i] != null) {
	    	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);
}