/* Nifty Corners Cube - rounded corners with CSS and Javascript
Copyright 2006 Alessandro Fulciniti (a.fulciniti@html.it)

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/

var niftyOk=(document.getElementById && document.createElement && Array.prototype.push);
var niftyCss=false;

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

var oldonload=window.onload;
if(typeof(NiftyLoad)!='function') NiftyLoad=function(){};
if(typeof(oldonload)=='function')
    window.onload=function(){oldonload();AddCss();NiftyLoad()};
else window.onload=function(){AddCss();NiftyLoad()};

function AddCss(){
niftyCss=true;
var l=CreateEl("link");
l.setAttribute("type","text/css");
l.setAttribute("rel","stylesheet");
l.setAttribute("href","../assets/css/niftyCorners.css");
l.setAttribute("media","screen");
document.getElementsByTagName("head")[0].appendChild(l);
}

function unNifty(selector) {
	elm = getElementsBySelector(selector)[0];
	elm.removeChild(elm.firstChild);
	elm.style.paddingTop = "0px";
	elm.removeChild(elm.lastChild);
	elm.style.paddingBottom = "0px";
}

function Nifty(selector,options){
if(niftyOk==false) return;
if(niftyCss==false) AddCss();
var i,v=selector.split(","),h=0;
if(options==null) options="";
if(options.find("fixed-height"))
    h=getElementsBySelector(v[0])[0].offsetHeight;
for(i=0;i<v.length;i++)
    Rounded(v[i],options);
var j,opts=options.split(" ");
for(j=0;j<opts.length;j++) {
	if (opts[j].find("height=")) {
		h = opts[j].replace("height=","");
	}
}
if(options.find("height")) SameHeight(selector,h);
}

function Rounded(selector,options){
var i,top="",bottom="",v=new Array();
if(options!=""){
    options=options.replace("top_left","tl");
    options=options.replace("top_right","tr");
    options=options.replace("bottom_left","bl");
    options=options.replace("bottom_right","br");
    options=options.replace("left","tl bl");
    options=options.replace("right","tr br");
    options=options.replace("top","tl tr");
    options=options.replace("bottom","bl br");
    options=options.replace("transparent","alias");
    top="";
    if(options.find("tl")){
        top="left";
        if(options.find("tr")) top="both";
    } else if(options.find("tr")) top="right";
    if(options.find("bl")){
        bottom="left";
        if(options.find("br")) bottom="both";
    } else if(options.find("br")) bottom="right";
}
if(top=="" && bottom=="" && !options.find("none")){top="both";bottom="both";}
if(top=="" && !bottom=="") {top="none";}
if(!top=="" && bottom=="") {bottom="none";}
var j,opts=options.split(" "),topColor="",bktopColor="",botColor="",bkbotColor="";
for(j=0;j<opts.length;j++) {
	if (opts[j].find("tc=#")) {
		topColor = opts[j].replace("tc=#","#");
	}
	if (opts[j].find("bktc=#")) {
		bktopColor = opts[j].replace("bktc=#","#");
	}
	if (opts[j].find("bc=#")) {
		botColor = opts[j].replace("bc=#","#");
	}
	if (opts[j].find("bkbc=#")) {
		bkbotColor = opts[j].replace("bkbc=#","#");
	}
}
v=getElementsBySelector(selector);
for(i=0;i<v.length;i++){
    FixIE(v[i]);
    if(top!="") AddTop(v[i],top,options,topColor,bktopColor);
    if(bottom!="") AddBottom(v[i],bottom,options,botColor,bkbotColor);
    }
}

function AddTop(el,side,options,topColor,bktopColor){
var d=CreateEl("b"),lim=4,border="",bordar="",p,i,btype="r",bk,color,colar,bgimage="",bgpositionx="",bgpositiony="",bgrepeat="";
d.style.marginLeft="-"+getPadding(el,"Left")+"px";
d.style.marginRight="-"+getPadding(el,"Right")+"px";
if (topColor != "" && topColor != null && topColor != undefined) {
	color=topColor;
} else {
	color=getBk(el);
}
if (bktopColor != "" && bktopColor != null && bktopColor != undefined) {
	bk=bktopColor;
} else {
	bk=getParentBk(el);
}
if(options.find("alias") || color=="transparent"){
	if (bktopColor != "" && bktopColor != null && bktopColor != undefined) {
		border=bktopColor;
	} else {
		border=getParentBk(el);
	}
    color="transparent"; bk="transparent"; btype="t"; 
}
else{
    border=Mix(color,bk); bgimage=getBg(el); bgpositiony="TOP"; bgpositionx=getBgPosX(el); bgrepeat=getBgPosR(el);
}
//alert(el.id + " color="+color+" bk="+bk+" border="+border+" bgimage="+bgimage);
d.style.background = bk
d.className="niftycorners";
p=getPadding(el,"Top");
if(options.find("small")){
    d.style.marginBottom=(p-2)+"px";
    btype+="s"; lim=2;
    }
else if(options.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,bgimage,bgpositionx,bgpositiony,bgrepeat));
el.style.paddingTop="0px";
el.insertBefore(d,el.firstChild);
}

function AddBottom(el,side,options,botColor,bkbotColor){
var d=CreateEl("b"),lim=4,border="",bordar="",p,i,btype="r",bk,color,colar,bgimage="",bgpositionx="",bgpositiony="",bgrepeat="";
d.style.marginLeft="-"+getPadding(el,"Left")+"px";
d.style.marginRight="-"+getPadding(el,"Right")+"px";
if (botColor != "" && botColor != null && botColor != undefined) {
	color=botColor;
} else {
	color=getBk(el);
}
if (bkbotColor != "" && bkbotColor != null && bkbotColor != undefined) {
	bk=bkbotColor;
} else {
	bk=getParentBk(el);
}
if(options.find("alias") || color=="transparent"){
	if (bkbotColor != "" && bkbotColor != null && bkbotColor != undefined) {
		border=bkbotColor;
	} else {
		border=getParentBk(el);
	}
	color="transparent"; bk="transparent"; btype="t"; 
}
else{
    border=Mix(color,bk); bgimage=getBg(el); bgpositiony="BOTTOM"; bgpositionx=getBgPosX(el); bgrepeat=getBgPosR(el);
    }
//alert("color="+color+" bk="+bk+" border="+border+" bgimage="+bgimage);
d.style.background=bk;
d.className="niftycorners";
p=getPadding(el,"Bottom");
if(options.find("small")){
    d.style.marginTop=(p-2)+"px";
    btype+="s"; lim=2;
    }
else if(options.find("big")){
    d.style.marginTop=(p-10)+"px";
    btype+="b"; lim=8;
    }
else { d.style.marginTop=(p-5)+"px"; }
if(side=="none"){
    d.style.marginTop=(p)+"px";
    btype="rn"; lim=0;
    }
for(i=lim;i>0;i--)
    d.appendChild(CreateStrip(i,side,color,border,btype,bgimage,bgpositionx,bgpositiony,bgrepeat));
el.style.paddingBottom="0px";
el.appendChild(d);
}

function CreateStrip(index,side,color,border,btype,bgimage,bgpositionx,bgpositiony,bgrepeat){
var x=CreateEl("b");
x.className=btype+index;
if (bgimage!="" && bgimage!=undefined && bgimage!="none") {
	x.style.backgroundImage=bgimage;
	x.style.backgroundPositionX=bgpositionx;
	x.style.backgroundPositionY=bgpositiony;
	x.style.backgroundRepeat=bgrepeat;
	x.style.background=bgimage+" "+bgrepeat+" "+bgpositionx+" "+bgpositiony;
} else {
	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";
  	} 
else if(side=="none"){
    x.style.borderRightWidth="0";
    x.style.marginRight="0";
    x.style.borderLeftWidth="0";
    x.style.marginLeft="0";
	}
return(x);
}

function CreateEl(x){
return(document.createElement(x));
}

function FixIE(el){
if(el.currentStyle!=null && el.currentStyle.hasLayout!=null && el.currentStyle.hasLayout==false)
    el.style.display="inline-block";
}

function SameHeight(selector,maxh){
var i,v=selector.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;
    if (els[i].id.find("MenuBar") || els[i].id.find("MenuSubBar")) {
    	els[i].style.width=els[i].offsetWidth;
    	els[i].style.height=els[i].offsetHeight;
    } else {
        els[i].style.height="auto";
  	}
//	alert(els[i].id + " - offsetHeight=" + els[i].offsetHeight + " - Height=" + els[i].style.height + " - offsetWidth=" + els[i].offsetWidth + " - Width=" + els[i].style.width);
}
for(i=0;i<els.length;i++){
	gap=maxh-els[i].offsetHeight;
//	alert(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(selector){
var i,j,selid="",selclass="",tag=selector,tag2="",v2,k,f,a,s=[],objlist=[],c;
if(selector.find("#")){ //id selector like "tag#id"
    if(selector.find(" ")){  //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){
            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=document.getElementById(selid);
            if(f) objlist.push(f);
            return(objlist);
            }
        }
    }
if(selector.find(".")){      //class selector like "tag.class"
    s=selector.split(".");
    tag=s[0];
    selclass=s[1];
    if(selclass.find(" ")){   //descendant selector like tag1.classname tag2
        s=selclass.split(" ");
        selclass=s[0];
        tag2=s[1];
        }
    }
var v=document.getElementsByTagName(tag);  // tag selector like "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 getBg(x){
	var c=getStyleProp(x,"backgroundImage");
	if(c==null || c=="" ) return("");
	return(c);
}
function getBgPosX(x){
	var c=getStyleProp(x,"backgroundPositionX");
	if(c==null || c=="" || c==undefined ) return("right");
	return(c);
}

function getBgPosR(x){
	var c=getStyleProp(x,"backgroundRepeat");
	if(c==null || c=="" ) return("");
	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(document.defaultView.getComputedStyle)
    return(document.defaultView.getComputedStyle(x,'')[prop]);
return(null);
}

function getStyle(x){
if(x.currentStyle)
    return(x.currentStyle);
if(document.defaultView.getComputedStyle)
    return(document.defaultView.getComputedStyle(x,''));
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]);
}