Effect.Corner=Class.create();Object.extend(Object.extend(Effect.Corner.prototype,Effect.Base.prototype),{hex2:function(s){var s=parseInt(s).toString(16);return(s.length<2)?'0'+s:s;},gpc:function(node){for(;node&&node.nodeName.toLowerCase()!='html';node=node.parentNode){var v=Element.getStyle(node,'backgroundColor');if(v.indexOf('rgb')>=0){rgb=v.match(/\d+/g);return'#'+this.hex2(rgb[0])+this.hex2(rgb[1])+this.hex2(rgb[2]);}
if(v&&v!='transparent')
return v;}
return'#ffffff';},getW:function(i){switch(this.fx){case'round':return Math.round(this.width*(1-Math.cos(Math.asin(i/this.width))));case'cool':return Math.round(this.width*(1+Math.cos(Math.asin(i/this.width))));case'sharp':return Math.round(this.width*(1-Math.cos(Math.acos(i/this.width))));case'bite':return Math.round(this.width*(Math.cos(Math.asin((this.width-i-1)/this.width))));case'slide':return Math.round(this.width*(Math.atan2(i,this.width/i)));case'jut':return Math.round(this.width*(Math.atan2(this.width,(this.width-i-1))));case'curl':return Math.round(this.width*(Math.atan(i)));case'tear':return Math.round(this.width*(Math.cos(i)));case'wicked':return Math.round(this.width*(Math.tan(i)));case'long':return Math.round(this.width*(Math.sqrt(i)));case'sculpt':return Math.round(this.width*(Math.log((this.width-i-1),this.width)));case'dog':return(i&1)?(i+1):this.width;case'dog2':return(i&2)?(i+1):this.width;case'dog3':return(i&3)?(i+1):this.width;case'fray':return(i%2)*this.width;case'notch':return this.width;case'bevel':return i+1;}},initialize:function(element,o){element=$(element);o=(o||"").toLowerCase();var keep=/keep/.test(o);var cc=((o.match(/cc:(#[0-9a-f]+)/)||[])[1]);var sc=((o.match(/sc:(#[0-9a-f]+)/)||[])[1]);this.width=parseInt((o.match(/(\d+)px/)||[])[1])||10;var re=/round|bevel|notch|bite|cool|sharp|slide|jut|curl|tear|fray|wicked|sculpt|long|dog3|dog2|dog/;this.fx=((o.match(re)||['round'])[0]);var edges={T:0,B:1};var opts={TL:/top|tl/.test(o),TR:/top|tr/.test(o),BL:/bottom|bl/.test(o),BR:/bottom|br/.test(o)};if(!opts.TL&&!opts.TR&&!opts.BL&&!opts.BR)
opts={TL:1,TR:1,BL:1,BR:1};var strip=document.createElement('div');strip.style.overflow='hidden';strip.style.height='1px';strip.style.backgroundColor=sc||'transparent';strip.style.borderStyle='solid';var pad={T:parseInt(Element.getStyle(element,'paddingTop'))||0,R:parseInt(Element.getStyle(element,'paddingRight'))||0,B:parseInt(Element.getStyle(element,'paddingBottom'))||0,L:parseInt(Element.getStyle(element,'paddingLeft'))||0};if(/MSIE/.test(navigator.userAgent))element.style.zoom=1;if(!keep)element.style.border='none';strip.style.borderColor=cc||this.gpc(element.parentNode);var cssHeight=Element.getHeight(element);for(var j in edges){var bot=edges[j];strip.style.borderStyle='none '+(opts[j+'R']?'solid':'none')+' none '+(opts[j+'L']?'solid':'none');var d=document.createElement('div');var ds=d.style;bot?element.appendChild(d):element.insertBefore(d,element.firstChild);if(bot&&cssHeight!='auto'){if(Element.getStyle(element,'position')=='static')
element.style.position='relative';ds.position='absolute';ds.bottom=ds.left=ds.padding=ds.margin='0';if(/MSIE/.test(navigator.userAgent))
ds.setExpression('width','this.parentNode.offsetWidth');else
ds.width='100%';}
else{ds.margin=!bot?'-'+pad.T+'px -'+pad.R+'px '+(pad.T-this.width)+'px -'+pad.L+'px':(pad.B-this.width)+'px -'+pad.R+'px -'+pad.B+'px -'+pad.L+'px';}
for(var i=0;i<this.width;i++){var w=Math.max(0,this.getW(i));var e=strip.cloneNode(false);e.style.borderWidth='0 '+(opts[j+'R']?w:0)+'px 0 '+(opts[j+'L']?w:0)+'px';bot?d.appendChild(e):d.insertBefore(e,d.firstChild);}}}});