String.prototype.find=function(what){
return(this.indexOf(what)>=0 ? true : false);
}

var corners = {
  r1:{margin: "0 3px",borderWidth: "0 2px"},
  r2:{margin:"0 2px"},
  r3:{margin:"0 1px"},
  r4:{height: "2px"},
  rb1:{margin: "0 8px",borderWidth:"0 2px"},
  rb2:{margin: "0 6px",borderWidth:"0 2px"},
  rb3:{margin: "0 5px"},
  rb4:{margin: "0 4px"},
  rb5:{margin: "0 3px"},
  rb6:{margin: "0 2px"},
  rb7:{margin: "0 1px",height:"2px"},
  rb8:{margin: "0",height:"2px"},
  rs1:{margin: "0 1px"},
  /*transparent inside*/
  t1:{borderWidth: "0 5px"},
  t2:{borderWidth: "0 3px"},
  t3:{borderWidth: "0 2px"},
  t4:{height: "2px"},
  tb1:{borderWidth: "0 10px"},
  tb2:{borderWidth: "0 8px"},
  tb3:{borderWidth: "0 6px"},
  tb4:{borderWidth: "0 5px"},
  tb5:{borderWidth: "0 4px"},
  tb6:{borderWidth: "0 3px"},
  tb7:{borderWidth: "0 2px",height:"2px"},
  tb8:{borderWidth: "0 1px",height:"2px"},
  ts1:{borderWidth: "0 2px"}
};

function Nifty(selector,options)
{
	var $ = function(id){
		return document.getElementById(id);
	};
	
	var setStyle = function(el, styles){
		if(!el.style)return;
		for(var s in styles){
			el.style[s] = styles[s];
		}
		return el;
	};
	
	var getStyle = function(el, style){
		if(el.currentStyle)
			return(el.currentStyle[style]);
		if(document.defaultView.getComputedStyle)
			return(document.defaultView.getComputedStyle(el,'')[style]);
		if(el.style)
			return el.style[style];
		return 0;
	};
	
	var each = function(a, func){
		for(var i=0;i<a.length;i++){
			func(a[i], i);
		}
	};
	
	var rounded = function(selector,options){
		var i,top="",bottom="",v=new Array();
		if(options!="")
		{
			var arr = [["left","tl bl"],["right","tr br"],["top","tr tl"],["bottom","br bl"],["transparent","alias"]];
			each(arr, function(item){
				options=options.replace(item[0],item[1]);
			});
			if(options.find("tl"))
				top="left";
			if(options.find("tr")) 
				top=(top=="left")?"both":"right";
			if(options.find("bl"))
				bottom="left";
			if(options.find("br")) 
				bottom=(bottom=="left")?"both":"right";
		}
		if(top=="" && bottom=="" && !options.find("none"))
		{
			top="both";
			bottom="both";
		}
		var els = $$(selector);
		each(els, function(v){
			fixIE(v);
			var d = [];
			if(top!="") d.push(addTopBottom(v,top,options,"Top"));
			if(bottom!="") d.push(addTopBottom(v,bottom,options,"Bottom"));
			v.oldSetStyle = v.setStyle;
			v.setStyle = function(obj){
				this.oldSetStyle(obj);
				this.updateColors();
			}
			v.updateColors = function(){
				for(i=0;i<d.length;i++){
					setColors(d[i],options.find("alias")); 
				}
			}
		});
	}
  
  var $$ = function(selector){
	var i,j,selid="",selclass="",tag=selector,tag2="",v2,k,f,a,s=[],objlist=[],c;
	if(selector.find("#")){
		if(selector.find(" ")){
			s=selector.split(" ");
			var fs=s[0].split("#");
			if(fs.length==1) return(objlist);
			f=$(fs[1]);
			if(f){
				v=f.getElementsByTagName(s[1]);
				for(i=0;i<v.length;i++) objlist.push(v[i]);
			}
			return(objlist);
        }else{
			s=selector.split("#");
			tag=s[0];
			selid=s[1];
			if(selid!=""){
				f=$(selid);
				if(f) objlist.push(f);
				return(objlist);
			}
        }
    }
		if(selector.find(".")){
			s=selector.split(".");
			tag=s[0];
			selclass=s[1];
			if(selclass.find(" ")){
				s=selclass.split(" ");
				selclass=s[0];
				tag2=s[1];
				}
			}
		var v=document.getElementsByTagName(tag);
		if(selclass==""){
			for(i=0;i<v.length;i++) objlist.push(v[i]);
			return(objlist);
			}
		for(i=0;i<v.length;i++){
			c=v[i].className.split(" ");
			for(j=0;j<c.length;j++){
				if(c[j]==selclass){
					if(tag2=="") objlist.push(v[i]);
					else{
						v2=v[i].getElementsByTagName(tag2);
						for(k=0;k<v2.length;k++) objlist.push(v2[k]);
						}
					}
				}
			}
		return(objlist);
	};
  
  var setColors = function(d,alias){
  	el = d.parentNode;
  	var color,bk,border="";
  	if(alias || (color=getBk(el))=="transparent")
    {
      color="transparent";
  	  bk="transparent";
  	  border=getParentBk(el);
    }
  	else
    {
      bk=getParentBk(el);
  	  border=mix(color,bk);
    }
  	setStyle(d, {background:bk});
  	setStripColors(d, color, border);
  }
    
  var setStripColors = function(d, color, border){
  	each(d.getElementsByTagName("b"), function(b){
  		setStyle(b, {backgroundColor:color,borderColor:border});
	  });
  }
  
  var addTopBottom = function(el,side,options,type){
  	isTop = (type == "Top");
    var d=document.createElement("b"),lim=4,border="",p,i,btype="r",bk,color;
    setStyle(d, {marginLeft:"-"+getPadding(el,"Left")+"px"});
    setStyle(d, {marginRight:"-"+getPadding(el,"Right")+"px"});
    if(options.find("alias") || (color=getBk(el))=="transparent")
    {
    	btype="t";
    }
    setStyle(d, {display:"block"});
    d.className="niftycorners";
    p=getPadding(el,type);
    var st = {};
    var field = (isTop)?"marginBottom":"marginTop"; 
    if(options.find("small"))
    {
    	st[field] = (p-2)+"px";
      btype+="s";
      lim=2;
    }
    else if(options.find("big"))
    {
    	st[field] = (p-10)+"px";
      btype+="b";
      lim=8;
    }
    else
    {
    	st[field] = (p-5)+"px";
    }
    setStyle(d, st);
    var strips = [];
    for(i=1;i<=lim;i++)
    {
    	j = (isTop)?i:lim-i+1;
      d.appendChild(createStrip(j,side,btype));
    }
    if(isTop)
    {
      setStyle(el, {paddingTop:0});
      el.insertBefore(d,el.firstChild);
    }
    else
    {
      setStyle(el, {paddingBottom:0});
      el.appendChild(d);
    }
    setColors(d,options.find("alias"));
    return d;
  }
  
  var createStrip = function(index,side,btype){
    var x=setStyle(document.createElement("b"), {display:"block",height:"1px",lineHeight:"1px",fontSize: "1px",
                                         overflow:"hidden",borderStyle:"solid",borderWidth:"0 1px"});
    setStyle(x, corners[btype+index]);
    if(side=="left")
    {
      setStyle(x, {borderRightWidth:"0",marginRight:"0"});
    }
    else if(side=="right")
    {
      setStyle(x, {borderLeftWidth:"0",marginLeft:"0"});
    }
    return(x);
  }
  
  var fixIE = function(el){
    if(el.currentStyle && el.currentStyle.hasLayout!=null && el.currentStyle.hasLayout==false)
      setStyle(el, {display:"inline-block"});
  }
  
  var sameHeight = function(selector,maxh){
    var i,v=$A(selector.split(",")),t,j,els=[],gap;
    each(v, function(item){
    	each($$(item), function(el){
			if(el.offsetHeight>maxh) maxh=els[i].offsetHeight;
			setStyle(el, {height:"auto"});
						
			gap=maxh-el.offsetHeight;
			if(gap>0)
			{
			  t=setStyle(document.createElement("b"), {height:gap+"px",display:"block"});
			  nc=el.lastChild;
			  if(nc.className=="niftycorners")
				el.insertBefore(t,nc);
			  else 
				el.appendChild(t);
			}
    	});
    });
  }
  
  var getParentBk = function(x){
    var el=x.parentNode,c;
    while(el.tagName.toUpperCase()!="HTML" && (c=getBk(el))=="transparent")
      el=el.parentNode;
    if(c=="transparent")
      c="#FFFFFF";
    return(c);
  }
  
  var getBk = function(x){
    var c = getStyle(x, "backgroundColor");
    if( !c || c=="transparent" || c.find("rgba(0, 0, 0, 0)"))
      return("transparent");
    if(c.find("rgb"))
      c=rgb2hex(c);
    return(c);
  }
  
  var getPadding = function(x,side){
    var p = getStyle(x, "padding"+side)||"0";
    return(parseInt(p));
  }
  
  var rgb2hex = function(value){
    var hex="",v,h,i;
    var regexp=/([0-9]+)[, ]+([0-9]+)[, ]+([0-9]+)/;
    var h=regexp.exec(value);
    for(i=1;i<4;i++)
    {
      v=parseInt(h[i]).toString(16);
      if(v.length==1)
        hex+="0"+v;
      else
        hex+=v;
    }
    return("#"+hex);
  }
  
  var mix = function(c1,c2){
    var i,x,y,r=new Array(3);
    var step1 = (c1.length==4)?1:2;
    var step2 = (c2.length==4)?1:2;
    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);
      r[i]=r[i].toString(16);
      if(r[i].length==1)
        r[i]="0"+r[i];
    }
    return("#"+r[0]+r[1]+r[2]);
  }
  
  var i,v=selector.split(","),h=0;
  var options=options || "";
  if(options.find("fixed-height"))
      h=$$(v[0])[0].offsetHeight;
  for(i=0;i<v.length;i++)
      rounded(v[i],options);
  if(options.find("height")) sameHeight(selector,h);

}