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);
		}