function NiftyCheck(){
if(!document.getElementById || !document.createElement)
    return(false);
isXHTML=/html\:/.test(document.getElementsByTagName('body')[0].nodeName);
if(Array.prototype.push==null){Array.prototype.push=function(){
      this[this.length]=arguments[0]; return(this.length);}}
return(true);
}

function Rounded(selector,wich,bk,color,opt){
var i,prefixt,prefixb,cn="r",ecolor="",edges=false,eclass="",b=false,t=false;

if(color=="transparent"){
    cn=cn+"x";
    ecolor=bk;
    bk="transparent";
    }
else if(opt && opt.indexOf("border")>=0){
    var optar=opt.split(" ");
    for(i=0;i<optar.length;i++)
        if(optar[i].indexOf("#")>=0) ecolor=optar[i];
    if(ecolor=="") ecolor="#666";
    cn+="e";
    edges=true;
    }
else if(opt && opt.indexOf("smooth")>=0){
    cn+="a";
    ecolor=Mix(bk,color);
    }
if(opt && opt.indexOf("small")>=0) cn+="s";
prefixt=cn;
prefixb=cn;
if(wich.indexOf("all")>=0){t=true;b=true}
else if(wich.indexOf("top")>=0) t="true";
else if(wich.indexOf("tl")>=0){
    t="true";
    if(wich.indexOf("tr")<0) prefixt+="l";
    }
else if(wich.indexOf("tr")>=0){
    t="true";
    prefixt+="r";
    }
if(wich.indexOf("bottom")>=0) b=true;
else if(wich.indexOf("bl")>=0){
    b="true";
    if(wich.indexOf("br")<0) prefixb+="l";
    }
else if(wich.indexOf("br")>=0){
    b="true";
    prefixb+="r";
    }
var v=getElementsBySelector(selector);
var l=v.length;
for(i=0;i<l;i++){
    if(edges) AddBorder(v[i],ecolor);
    if(t) AddTop(v[i],bk,color,ecolor,prefixt);
    if(b) AddBottom(v[i],bk,color,ecolor,prefixb);
    }
}

function AddBorder(el,bc){
var i;
if(!el.passed){
    if(el.childNodes.length==1 && el.childNodes[0].nodeType==3){
        var t=el.firstChild.nodeValue;
        el.removeChild(el.lastChild);
        var d=CreateEl("span");
        d.style.display="block";
        d.appendChild(document.createTextNode(t));
        el.appendChild(d);
        }
    for(i=0;i<el.childNodes.length;i++){
        if(el.childNodes[i].nodeType==1){
            el.childNodes[i].style.borderLeft="1px solid "+bc;
            el.childNodes[i].style.borderRight="1px solid "+bc;
            }
        }
    }
el.passed=true;
}

function getPadding(el) {
	if(document.defaultView && document.defaultView.getComputedStyle) {
		pL = document.defaultView.getComputedStyle(el, null).paddingLeft;
		pR = document.defaultView.getComputedStyle(el,null).paddingRight;
		pT = document.defaultView.getComputedStyle(el,null).paddingTop;
		pB = document.defaultView.getComputedStyle(el,null).paddingBottom;
	} else if(el.currentStyle) {
		pL = el.currentStyle.paddingLeft;
		pR = el.currentStyle.paddingRight;
		pT = el.currentStyle.paddingTop;
		pB = el.currentStyle.paddingBottom;
	} else {
		pL = el.style.paddingLeft;
		pR = el.style.paddingRight;
		pT = el.style.paddingTop;
		pB = el.style.paddingBottom;
	}
	
	pLuom = pL.substring( pL.indexOf(parseInt(pL)) + (parseInt(pL)+'').length );
	pRuom = pR.substring( pR.indexOf(parseInt(pR)) + (parseInt(pR)+'').length );
	pTuom = pT.substring( pT.indexOf(parseInt(pT)) + (parseInt(pT)+'').length );
	pBuom = pB.substring( pB.indexOf(parseInt(pB)) + (parseInt(pB)+'').length );
															   
	return {
		left: { int:parseInt(pL), uom:pLuom, value:pL },
		right: { int:parseInt(pR), uom:pRuom, value:pR },
		top: { int:parseInt(pT), uom:pTuom, value:pT },
		bottom: { int:parseInt(pB), uom:pBuom, value:pB }
	}
}
    
function AddTop(el,bk,color,bc,cn){
var i,lim=4,d=CreateEl("b");

if(cn.indexOf("s")>=0) lim=2;
if(bc) d.className="artop";
else d.className="rtop";
d.style.backgroundColor=bk;

for(i=1;i<=lim;i++){
    var x=CreateEl("b");
    x.className=cn + i;
    x.style.backgroundColor=color;
    if(bc) x.style.borderColor=bc;
    d.appendChild(x);
    }

pad = getPadding(el);

el.style.paddingTop=0;
el.insertBefore(d,el.firstChild);

d.style.marginLeft = (-1*pad.left.int) + pad.left.uom;
d.style.marginRight = (-1*pad.right.int) + pad.right.uom;
d.style.marginBottom = (pad.top.int - d.offsetHeight) + pad.top.uom;
}

function AddBottom(el,bk,color,bc,cn){
var i,lim=4,d=CreateEl("b");

if(cn.indexOf("s")>=0) lim=2;
if(bc) d.className="artop";
else d.className="rtop";
d.style.backgroundColor=bk;
for(i=lim;i>0;i--){
    var x=CreateEl("b");
    x.className=cn + i;
    x.style.backgroundColor=color;
    if(bc) x.style.borderColor=bc;
    d.appendChild(x);
    }

pad = getPadding(el);

el.style.paddingBottom=0;
el.appendChild(d);

d.style.marginLeft = (-1*pad.left.int) + pad.left.uom;
d.style.marginRight = (-1*pad.right.int) + pad.right.uom;
d.style.marginTop = (pad.bottom.int - d.offsetHeight) + pad.bottom.uom;
}

function CreateEl(x){
if(isXHTML) return(document.createElementNS('http://www.w3.org/1999/xhtml',x));
else return(document.createElement(x));
}

function getElementsBySelector(selector){
var i,selid="",selclass="",tag=selector,f,s=[],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);
    f=document.getElementById(fs[1]);
    if(f) return(f.getElementsByTagName(s[1]));
    return(objlist);
    }
if(selector.indexOf("#")>0){ //id selector like "tag#id"
    s=selector.split("#");
    tag=s[0];
    selid=s[1];
    }
if(selid!=""){
    f=document.getElementById(selid);
    if(f) objlist.push(f);
    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);
	nr = new RegExp("(^|\\s)" + selclass + "(\\s|$)");
for(i=0;i<v.length;i++){
    if(v[i].className.match(nr)){
        objlist.push(v[i]);
        }
    }
return(objlist);
}

function Mix(c1,c2){
var i,step1,step2,x,y,r=new Array(3);
if(c1.length==4)step1=1;
else step1=2;
if(c2.length==4) step2=1;
else step2=2;
for(i=0;i<3;i++){
    x=parseInt(c1.substr(1+step1*i,step1),16);
    if(step1==1) x=16*x+x;
    y=parseInt(c2.substr(1+step2*i,step2),16);
    if(step2==1) y=16*y+y;
    r[i]=Math.floor((x*50+y*50)/100);
    }
return("#"+r[0].toString(16)+r[1].toString(16)+r[2].toString(16));
}