jQuery.fn.corner = function(o) { function hex2(s) { var s = parseInt(s).toString(16); return ( s.length < 2 ) ? '0'+s : s;}; function gpc(node) { for ( ; node && node.nodeName.toLowerCase() != 'html'; node = node.parentNode ) { var v = jQuery.css(node,'backgroundColor'); if ( v.indexOf('rgb') >= 0 ) { rgb = v.match(/\d+/g); return '#'+ hex2(rgb[0]) + hex2(rgb[1]) + hex2(rgb[2]);}
if ( v && v != 'transparent' )
return v;}
return '#ffffff';}; function getW(i) { switch(fx) { case 'round': return Math.round(width*(1-Math.cos(Math.asin(i/width)))); case 'cool': return Math.round(width*(1+Math.cos(Math.asin(i/width)))); case 'sharp': return Math.round(width*(1-Math.cos(Math.acos(i/width)))); case 'bite': return Math.round(width*(Math.cos(Math.asin((width-i-1)/width)))); case 'slide': return Math.round(width*(Math.atan2(i,width/i))); case 'jut': return Math.round(width*(Math.atan2(width,(width-i-1)))); case 'curl': return Math.round(width*(Math.atan(i))); case 'tear': return Math.round(width*(Math.cos(i))); case 'wicked': return Math.round(width*(Math.tan(i))); case 'long': return Math.round(width*(Math.sqrt(i))); case 'sculpt': return Math.round(width*(Math.log((width-i-1),width))); case 'dog': return (i&1) ? (i+1) : width; case 'dog2': return (i&2) ? (i+1) : width; case 'dog3': return (i&3) ? (i+1) : width; case 'fray': return (i%2)*width; case 'notch': return width; case 'bevel': return i+1;}
}; 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]); var 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/; var 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'; return this.each(function(index){ var pad = { T: parseInt(jQuery.css(this,'paddingTop'))||0, R: parseInt(jQuery.css(this,'paddingRight'))||0, B: parseInt(jQuery.css(this,'paddingBottom'))||0, L: parseInt(jQuery.css(this,'paddingLeft'))||0
}; if (jQuery.browser.msie) this.style.zoom = 1; if (!keep) this.style.border = 'none'; strip.style.borderColor = cc || gpc(this.parentNode); var cssHeight = jQuery.curCSS(this, 'height'); 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 ? this.appendChild(d) : this.insertBefore(d, this.firstChild); if (bot && cssHeight != 'auto') { if (jQuery.css(this,'position') == 'static')
this.style.position = 'relative'; ds.position = 'absolute'; ds.bottom = ds.left = ds.padding = ds.margin = '0'; if (jQuery.browser.msie)
ds.setExpression('width', 'this.parentNode.offsetWidth'); else
ds.width = '100%';}
else { ds.margin = !bot ? '-'+pad.T+'px -'+pad.R+'px '+(pad.T-width)+'px -'+pad.L+'px' :
(pad.B-width)+'px -'+pad.R+'px -'+pad.B+'px -'+pad.L+'px';}
for (var i=0; i < width; i++) { var w = Math.max(0,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);}
}
});};