var niftyOk=(doc.getElementById&&doc.createElement&&Array.prototype.push);
var niftyCss=false;
String.prototype.find=function(what){return(this.indexOf(what)>=0?true:false);}
function Nifty(sr,o){
if(niftyOk==false) return;
if(niftyCss==false) AddCss();
var i,v=sr.split(","),h=0;
if(o==null) o="";
if(o.find("fixed-height")) h=getElementsBySelector(v[0])[0].offsetHeight;
for(i=0;i<v.length;i++)
    Rounded(v[i],o);
if(o.find("height")) SameHeight(sr,h);
}
function AddCss(){
niftyCss=true;
var l=CreateEl("link");
l.setAttribute("type","text/css");
l.setAttribute("rel","stylesheet");
l.setAttribute("href","niftycorners.css");
l.setAttribute("media","screen");
doc.getElementsByTagName("head")[0].appendChild(l);
}
function Rounded(sr,o){
var i,top="",bottom="",v=new Array();
if(o!=""){
    o=o.replace("left","tl bl");
    o=o.replace("right","tr br");
    o=o.replace("top","tr tl");
    o=o.replace("bottom","br bl");
    o=o.replace("transparent","alias");
    if(o.find("tl")){
        top="both";
        if(!o.find("tr")) top="left";
    }else if(o.find("tr")) top="right";
    if(o.find("bl")){
        bottom="both";
        if(!o.find("br")) bottom="left";
    }else if(o.find("br")) bottom="right";
}
if(top==""&&bottom==""&&!o.find("none")){top="both";bottom="both";}
v=getElementsBySelector(sr);
for(i=0;i<v.length;i++){
    FixIE(v[i]);
    if(top!="") AddTop(v[i],top,o);
    if(bottom!="") AddBottom(v[i],bottom,o);
}
}
function AddTop(el,side,o){
var d=CreateEl("b"),lim=4,border="",p,i,btype="r",bk,color;
d.style.marginLeft="-"+getPadding(el,"Left")+"px";
d.style.marginRight="-"+getPadding(el,"Right")+"px";
if(o.find("alias")||(color=getBk(el))=="transparent"){
    color="transparent";bk="transparent";border=getParentBk(el);btype="t";
    }
else{bk=getParentBk(el);border=Mix(color,bk);}
d.style.background=bk;
d.className="niftycorners";
p=getPadding(el,"Top");
if(o.find("small")){
    d.style.marginBottom=(p-2)+"px";
    btype+="s";lim=2;
}else if(o.find("big")){
    d.style.marginBottom=(p-10)+"px";
    btype+="b";lim=8;
}else d.style.marginBottom=(p-5)+"px";
for(i=1;i<=lim;i++)
    d.appendChild(CreateStrip(i,side,color,border,btype));
el.style.paddingTop="0";
el.insertBefore(d,el.firstChild);
}
function AddBottom(el,side,o){
var d=CreateEl("b"),lim=4,border="",p,i,btype="r",bk,color;
d.style.marginLeft="-"+getPadding(el,"Left")+"px";
d.style.marginRight="-"+getPadding(el,"Right")+"px";
if(o.find("alias")||(color=getBk(el))=="transparent"){color="transparent";bk="transparent";border=getParentBk(el);btype="t";}
else{bk=getParentBk(el);border=Mix(color,bk);}
d.style.background=bk;
d.className="niftycorners";
p=getPadding(el,"Bottom");
if(o.find("small")){
    d.style.marginTop=(p-2)+"px";
    btype+="s";lim=2;
}else if(o.find("big")){
    d.style.marginTop=(p-10)+"px";
    btype+="b";lim=8;
}else d.style.marginTop=(p-5)+"px";
for(i=lim;i>0;i--)
    d.appendChild(CreateStrip(i,side,color,border,btype));
el.style.paddingBottom=0;
el.appendChild(d);
}
function CreateStrip(index,side,color,border,btype){
var x=CreateEl("b");
x.className=btype+index;
x.style.backgroundColor=color;
x.style.borderColor=border;
if(side=="left"){
    x.style.borderRightWidth="0";
    x.style.marginRight="0";
}else if(side=="right"){
    x.style.borderLeftWidth="0";
    x.style.marginLeft="0";
}
return(x);
}
function CreateEl(x){
return(doc.createElement(x));
}
function FixIE(el){
if(el.currentStyle!=null&&el.currentStyle.hasLayout!=null&&el.currentStyle.hasLayout==false)
    el.style.display="inline-block";
}
function SameHeight(sr,maxh){
	var i,v=sr.split(","),t,j,els=[],gap;
	for(i=0;i<v.length;i++){
	    t=getElementsBySelector(v[i]);
	    els=els.concat(t);
	}
	for(i=0;i<els.length;i++){
	    if(els[i].offsetHeight>maxh) maxh=els[i].offsetHeight;
	    els[i].style.height="auto";
	}
	for(i=0;i<els.length;i++){
	    gap=maxh-els[i].offsetHeight;
	    if(gap>0){
	        t=CreateEl("b");t.className="niftyfill";t.style.height=gap+"px";
	        nc=els[i].lastChild;
	        if(nc.className=="niftycorners") els[i].insertBefore(t,nc);
	        else {els[i].appendChild(t);}
	    }
	}
}
function getElementsBySelector(sr){
var i,j,selid="",selclass="",tag=sr,tag2="",v2,k,f,a,s=[],objlist=[],c;
if(sr.find("#")){
    if(sr.find(" ")){
        s=sr.split(" ");
        var fs=s[0].split("#");
        if(fs.length==1) return(objlist);
        f=doc.getElementById(fs[1]);
        if(f){
            v=f.getElementsByTagName(s[1]);
            for(i=0;i<v.length;i++) objlist.push(v[i]);
        }
        return(objlist);
    }else{
        s=sr.split("#");
        tag=s[0];
        selid=s[1];
        if(selid!=""){
            f=doc.getElementById(selid);
            if(f) objlist.push(f);
            return(objlist);
        }
    }
}
if(sr.find(".")){
    s=sr.split(".");
    tag=s[0];
    selclass=s[1];
    if(selclass.find(" ")){
        s=selclass.split(" ");
        selclass=s[0];
        tag2=s[1];
    }
}
var v=doc.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);
}
function getParentBk(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);
}
function getBk(x){
var c=getStyleProp(x,"backgroundColor");
if(c==null||c=="transparent"||c.find("rgba(0, 0, 0, 0)"))
    return("transparent");
if(c.find("rgb")) c=rgb2hex(c);
return(c);
}
function getPadding(x,side){
var p=getStyleProp(x,"padding"+side);
if(p==null||!p.find("px")) return(0);
return(parseInt(p));
}
function getStyleProp(x,prop){
if(x.currentStyle) return(x.currentStyle[prop]);
if(doc.defaultView.getComputedStyle) return(doc.defaultView.getComputedStyle(x,'')[prop]);
return(null);
}
function rgb2hex(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);
}
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);
    r[i]=r[i].toString(16);
    if(r[i].length==1) r[i]="0"+r[i];
    }
return("#"+r[0]+r[1]+r[2]);
}