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 HideHackID(hackID)
{
   var v= document.getElementById(hackID);
   if(v != null)
   {
    v.style.display= "none";
   }
}

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);
}