/*
 Automatic, anti-aliased rounded corners.
 By Steven Wittens
 Based on http://pro.html.it/esempio/nifty/
 Thanks to Jacob from Oddlabs.com for fixing two nasty bugs.
*/
function NiftyCheck(){if(jQuery.browser.msie)return true;else return false;if(!document.getElementById||!document.createElement){return false;}var b=navigator.userAgent.toLowerCase();if(b.indexOf("msie 5")>0&&b.indexOf("opera")==-1){return false;}return true;}function Rounded(selector,bk,color,sizex,sizey){if(!NiftyCheck())return;var i;var v=jQuery(selector);var l=v.length;for(i=0;i<l;i++){var w=jQuery(v[i]).width();jQuery(v[i]).width(w).find('a').css('padding-top','0');AddTop(v[i],bk,color,sizex,sizey);}}Math.sqr=function(x){return x*x;};function Blend(a,b,alpha){var ca=Array(parseInt('0x'+a.substring(1,3)),parseInt('0x'+a.substring(3,5)),parseInt('0x'+a.substring(5,7)));var cb=Array(parseInt('0x'+b.substring(1,3)),parseInt('0x'+b.substring(3,5)),parseInt('0x'+b.substring(5,7)));r='0'+Math.round(ca[0]+(cb[0]-ca[0])*alpha).toString(16);g='0'+Math.round(ca[1]+(cb[1]-ca[1])*alpha).toString(16);b='0'+Math.round(ca[2]+(cb[2]-ca[2])*alpha).toString(16);return'#'+r.substring(r.length-2)+g.substring(g.length-2)+b.substring(b.length-2);}function AddTop(el,bk,color,sizex,sizey){var i,j;var d=document.createElement("div");d.className="rounded";var lastarc=0;for(i=1;i<=sizey;i++){var coverage,arc2,arc3;arc=Math.sqrt(1.0-Math.sqr(1.0-i/sizey))*sizex;var n_bg=sizex-Math.ceil(arc);var n_fg=Math.floor(lastarc);var n_aa=sizex-n_bg-n_fg;var x=document.createElement("div");var y=d;x.style.margin="0px "+n_bg+"px";for(j=1;j<=n_aa;j++){if(j==1){if(j==n_aa){coverage=((arc+lastarc)*.5)-n_fg;}else{arc2=Math.sqrt(1.0-Math.sqr(1.0-(n_bg+1)/sizex))*sizey;coverage=(arc2-(sizey-i))*(arc-n_fg-n_aa+1)*.5;}}else if(j==n_aa){arc2=Math.sqrt(1.0-Math.sqr((sizex-n_bg-j+1)/sizex))*sizey;coverage=1.0-(1.0-(arc2-(sizey-i)))*(1.0-(lastarc-n_fg))*.5;}else{arc3=Math.sqrt(1.0-Math.sqr((sizex-n_bg-j)/sizex))*sizey;arc2=Math.sqrt(1.0-Math.sqr((sizex-n_bg-j+1)/sizex))*sizey;coverage=((arc2+arc3)*.5)-(sizey-i);}y.appendChild(x);y=x;var x=document.createElement("div");x.style.margin="0px 1px";}y.appendChild(x);lastarc=arc;}el.insertBefore(d,el.firstChild);}function AddBottom(el,bk,color,sizex,sizey){var i,j;var d=document.createElement("div");d.className="rounded";d.style.backgroundColor=bk;var lastarc=0;for(i=1;i<=sizey;i++){var coverage,arc2,arc3;arc=Math.sqrt(1.0-Math.sqr(1.0-i/sizey))*sizex;var n_bg=sizex-Math.ceil(arc);var n_fg=Math.floor(lastarc);var n_aa=sizex-n_bg-n_fg;var x=document.createElement("div");var y=d;x.style.margin="0px "+n_bg+"px";for(j=1;j<=n_aa;j++){if(j==1){if(j==n_aa){coverage=((arc+lastarc)*.5)-n_fg;}else{arc2=Math.sqrt(1.0-Math.sqr(1.0-(n_bg+1)/sizex))*sizey;coverage=(arc2-(sizey-i))*(arc-n_fg-n_aa+1)*.5;}}else if(j==n_aa){arc2=Math.sqrt(1.0-Math.sqr((sizex-n_bg-j+1)/sizex))*sizey;coverage=1.0-(1.0-(arc2-(sizey-i)))*(1.0-(lastarc-n_fg))*.5;}else{arc3=Math.sqrt(1.0-Math.sqr((sizex-n_bg-j)/sizex))*sizey;arc2=Math.sqrt(1.0-Math.sqr((sizex-n_bg-j+1)/sizex))*sizey;coverage=((arc2+arc3)*.5)-(sizey-i);}x.style.backgroundColor=Blend(bk,color,coverage);y.insertBefore(x,y.firstChild);y=x;var x=document.createElement("div");x.style.margin="0px 1px";}x.style.backgroundColor=color;y.insertBefore(x,y.firstChild);lastarc=arc;}el.appendChild(d);}function getElementsBySelector(selector){var i;var s=[];var selid="";var selclass="";var tag=selector;var objlist=[];if(selector.indexOf(" ")>0){s=selector.split(" ");var fs=s[0].split("#");if(fs.length==1){return objlist;}return document.getElementById(fs[1]).getElementsByTagName(s[1]);}if(selector.indexOf("#")>0){s=selector.split("#");tag=s[0];selid=s[1];}if(selid!=""){objlist.push(document.getElementById(selid));return objlist;}if(selector.indexOf(".")>0){s=selector.split(".");tag=s[0];selclass=s[1];}var v=document.getElementsByTagName(tag);if(selclass==""){return v;}for(i=0;i<v.length;i++){if(v[i].className==selclass){objlist.push(v[i]);}}return objlist;}