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) 
{

    return getElementsByClass(selector);  // class selector like "class"

}

function getElementsByClass(theClass) {
    var classTags = []
    var allPageTags = document.getElementsByTagName("*");
    for (i = 0; i < allPageTags.length; i++) {
        //Pick out the tags with our class name  
        if (allPageTags[i].className == theClass) {
            classTags[classTags.length] = allPageTags[i]
        }
    }
    return classTags
}