function uiCheck()
{
	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);
}