/*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 Licence as published by the Free Software Foundation; either version 2 of the Licence, 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 Licence for more details. You should have received a copy of the GNU General Public Licence 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);
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();NiftyLoad()};else window.onload=function(){NiftyLoad()};
function Nifty(selector,options){if(niftyOk==false) return;var i,v=selector.split(","),h=0;if(options==null) options="";for(i=0;i<v.length;i++) Rounded(v[i],options);}
function Rounded(selector,options){var i,top="",bottom="",v=new Array();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");if(options.find("tl")){top="both";if(!options.find("tr")) top="left";}else if(options.find("tr")) top="right";if(options.find("bl")){bottom="both";if(!options.find("br")) bottom="left";}else if(options.find("br")) bottom="right";}if(top=="" && bottom=="" && !options.find("none")){top="both";bottom="both";}v=getElementsBySelector(selector);for(i=0;i<v.length;i++){FixIE(v[i]);if(top!="") AddTop(v[i],top,options);if(bottom!="") AddBottom(v[i],bottom,options);}}
function AddTop(el,side,options){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(options.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(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));el.style.paddingTop="0";el.insertBefore(d,el.firstChild);}
function AddBottom(el,side,options){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(options.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(options.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(document.createElement(x));}
function FixIE(el){tempstyle=0;if(el.currentStyle!=null && el.currentStyle.hasLayout!=null && el.currentStyle.hasLayout==false) {if(el.style.display=="none") {tempstyle=1;} else {tempstyle=0;};el.style.display="inline-block";if (tempstyle==1) {el.style.display="none";}}}
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;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(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=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(".")){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);}
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(document.defaultView.getComputedStyle)return(document.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]);}
window.onload=prepare_elements;
function prepare_elements() {var headerspopup=document.getElementsByTagName("button");for (var i=0; i<headerspopup.length; i++) {if ((headerspopup[i].className=="feedback")||(headerspopup[i].className=="help")||(headerspopup[i].className=="review")) {headerspopup[i].onclick=function () {var next=getNextSibling(this);var next_again=getNextSibling(next);toggle(this);toggle(next);toggle(next_again);next.focus();};} if ((headerspopup[i].className=="hidefeedback")||(headerspopup[i].className=="hidehelp")||(headerspopup[i].className=="hidereview")) {headerspopup[i].onclick=function () {var prev=getPrevSibling(this);var next=getNextSibling(this);toggle(this);toggle(prev);toggle(next);prev.focus();};}}Nifty("div#outer,div.feedbackanswer","big");Nifty("div.helpanswer","big");Nifty("div.reviewbox","big");Nifty("h2.act","tl tr big");Nifty("div.activities","big bl br");}
function toggle(x){if (x.style.display=="none") {x.style.display="";}else{x.style.display="none";}}
function getNextSibling(startBrother){endBrother=startBrother.nextSibling;while(endBrother.nodeType!=1){endBrother=endBrother.nextSibling;}return endBrother;}
function getPrevSibling(startBrother){endBrother=startBrother.previousSibling;while(endBrother.nodeType!=1){endBrother=endBrother.previousSibling;} return endBrother;}