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);

}