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 RoundedInput(selector, bk, color, size) {
    var i;
    var v = getElementsBySelector(selector);
    var l = v.length;
    for (i = 0; i < l; i++) {	
		//var tab = document.createElement("table");
		var div = document.createElement("div");
		//tab.appendChild(div);
		v[i].parentNode.insertBefore(div, v[i]);
		div.appendChild(v[i]);	
        AddImputTop(v[i], bk, color, size);
        AddImputBottom(v[i], bk, color, size);		
    }
}

function RoundedInputRight(selector, bk, color, size) {
    var i;
    var v = getElementsBySelector(selector);
    var l = v.length;
    for (i = 0; i < l; i++) {	
		//var tab = document.createElement("table");
        var div = document.createElement("div");
        try
        {
            if (v[i] != null && v[i].parentNode != null) {
                var parWidth = v[i].parentNode.clientWidth;
                if (parWidth == 0) parWidth = v[i].parentNode.offsetWidth;
                
                var margin = parWidth - v[i].clientWidth;
                div.style.padding = "0px 0px 0px " + margin + "px";
                //tab.appendChild(div);
                v[i].parentNode.insertBefore(div, v[i]);
                div.appendChild(v[i]);
                AddImputTop(v[i], bk, color, size);
                AddImputBottom(v[i], bk, color, size);
            }
        }
        catch(err)
        {
            return null;
        }
    }
}

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

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

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);
}