/* Nifty for jQuery is a modified and optimized version of Nifty Corners Cube.
 * The new one has been programmed by Paul Bakaus (paul.bakaus@gmail.com), read below
 * for further copyright information.
 */

/* 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
*/

jQuery(document).ready(function() {
 var l= document.createElement("link");
 jQuery(l).attr("type","text/css");
 jQuery(l).attr("rel","stylesheet");
 jQuery(l).attr("href","nifty.css");
 jQuery(l).attr("media","screen");
 jQuery("head").append(l);
});


jQuery.fn.nifty = function(options){
 if((document.getElementById && document.createElement && Array.prototype.push) == false) return;

 options = options || "";
 h = (options.indexOf("fixed-height") >= 0) ? this.offsetHeight : 0;

 this.each(function(){
 var i,top="",bottom="";
 if(options != ""){
 options=options.replace("left","tl bl");
 options=options.replace("right","tr br");
 options=options.replace("top","tr tl");
 options=options.replace("bottom","br bl");
 options=options.replace("transparent","alias");
 if(options.indexOf("tl") >= 0) { top="both"; if(options.indexOf("tr") == -1) top="left"; } else if(options.indexOf("tr") >= 0) top="right";
 if(options.indexOf("bl") >= 0) { bottom="both"; if(options.indexOf("br") == -1) bottom="left"; } else if(options.indexOf("br") >= 0) bottom="right";
 }
 if(top=="" && bottom=="" && options.indexOf("none") == -1){top="both";bottom="both";}

 // IE Fix
 if(this.currentStyle!=null && this.currentStyle.hasLayout!=null && this.currentStyle.hasLayout==false)
 jQuery(this).css("display","inline-block");

 if(top!="") {
 //add top
 var d=document.createElement("b"),lim=4,border="",p,i,btype="r",bk,color;
 jQuery(d).css("marginLeft","-"+_niftyGP(this,"Left")+"px");
 jQuery(d).css("marginRight","-"+_niftyGP(this,"Right")+"px");
 if(options.indexOf("alias") >= 0 || (color=_niftyBC(this))=="transparent"){
 color="transparent";bk="transparent"; border=_niftyPBC(this);btype="t";
 }
 else{
 bk=_niftyPBC(this); border=_niftyMix(color,bk);
 }
 jQuery(d).css("background",bk);
 d.className="niftycorners";
 p=_niftyGP(this,"Top");
 if(options.indexOf("small") >= 0){
 jQuery(d).css("marginBottom",(p-2)+"px");
 btype+="s"; lim=2;
 }
 else if(options.indexOf("big") >= 0){
 jQuery(d).css("marginBottom",(p-10)+"px");
 btype+="b"; lim=8;
 }
 else jQuery(d).css("marginBottom",(p-5)+"px");
 for(i=1;i<=lim;i++)
 jQuery(d).append(CreateStrip(i,top,color,border,btype));
 jQuery(this).css("paddingTop", "0px");
 jQuery(this).prepend(d);
 }
 if(bottom!="") {
 //add bottom
 var d=document.createElement("b"),lim=4,border="",p,i,btype="r",bk,color;
 jQuery(d).css("marginLeft","-"+_niftyGP(this,"Left")+"px");
 jQuery(d).css("marginRight","-"+_niftyGP(this,"Right")+"px");
 if(options.indexOf("alias") >= 0 || (color=_niftyBC(this))=="transparent"){ color="transparent";bk="transparent"; border=_niftyPBC(this);btype="t"; } else { bk=_niftyPBC(this); border=_niftyMix(color,bk); }
 jQuery(d).css("background",bk);
 d.className="niftycorners";
 p=_niftyGP(this,"Bottom");
 if(options.indexOf("small") >= 0){
 jQuery(d).css("marginTop",(p-2)+"px");
 btype+="s"; lim=2;
 }
 else if(options.indexOf("big") >= 0){
 jQuery(d).css("marginTop",(p-10)+"px");
 btype+="b"; lim=8;
 }
 else jQuery(d).css("marginTop",(p-5)+"px");
 for(i=lim;i>0;i--)
 jQuery(d).append(CreateStrip(i,bottom,color,border,btype));
 jQuery(this).css("paddingBottom", "0");
 jQuery(this).append(d);
 };
 });

 if(options.indexOf("height") >= 0)
 {
 this.each(function(){
 if(this.offsetHeight>h) h=this.offsetHeight;
 jQuery(this).css("height", "auto");

 var gap=h-this.offsetHeight;
 if(gap>0)
 {
 var t=document.createElement("b");t.className="niftyfill";jQuery(t).css("height",gap+"px");
 nc=this.lastChild;
 nc.className=="niftycorners" ? this.insertBefore(t,nc) : jQuery(this).append(t);
 }
 });
 }
}

function CreateStrip(index,side,color,border,btype){
 var x=document.createElement("b");
 x.className=btype+index;
 jQuery(x).css("backgroundColor", color).css("borderColor", border);
 if(side=="left") jQuery(x).css("borderRightWidth", "0").css("marginRight", "0");
 else if(side=="right") jQuery(x).css("borderLeftWidth", "0").css("marginLeft", "0");
 return(x);
}

function _niftyPBC(x){
 var el=x.parentNode,c;
 while(el.tagName.toUpperCase()!="HTML" && (c=_niftyBC(el))=="transparent")
 el=el.parentNode;
 if(c=="transparent") c="#FFFFFF";
 return(c);
}

function _niftyBC(x){
 var c=jQuery(x).css("backgroundColor");
 if(c==null || c=="transparent" || c.indexOf("rgba(0, 0, 0, 0)") >= 0) return("transparent");
 if(c.indexOf("rgb") >= 0) {
 var hex="";
 var regexp=/([0-9]+)[, ]+([0-9]+)[, ]+([0-9]+)/;
 var h=regexp.exec(c);
 for(var i=1;i<4;i++){
 var v=parseInt(h[i]).toString(16);
 if(v.length==1) hex+="0"+v; else hex+=v;
 }
 c = "#"+hex;
 }
 return(c);
}

function _niftyGP(x,side){
 var p=jQuery(x).css("padding"+side);
 if(p==null || p.indexOf("px") == -1) return(0);
 return(parseInt(p));
}

function _niftyMix(c1,c2){
 var i,step1,step2,x,y,r=new Array(3);
 c1.length==4 ? step1=1 : step1=2;
 c2.length==4 ? step2=1 : 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]);
}