/* 
* jQuery css clip animation support -- Jim Palmer 
* version 0.1.2b 
* idea spawned from jquery.color.js by John Resig 
* Released under the MIT license. 
*/ 
(function(jQuery) { 
jQuery.fx.step.clip = function(fx) { 
if (fx.state == 0) { 
/*	handle three valid possibilities 
*	val val val val 
*	val, val, val, val 
*	val,val,val,val 
*/ 
var cRE = /rect\(([0-9]{1,})(px|em)[,\s]+([0-9]{1,})(px|em)[,\s]+([0-9]{1,})(px|em)[,\s]+([0-9]{1,})(px|em)\)/; 
//	no longer replace commas - they may not exist and the regex compensates for them anyway 
//grab the curent clip region of the element 
$elem = $(fx.elem); 
var clip = cRE.test(fx.elem.style.clip) ? fx.elem.style.clip : 'rect(0px ' + $elem.width() + 'px ' + $elem.height() + 'px 0px)'; 
fx.start = cRE.exec(clip.replace(/,/g, " ")); 
//	handle the fx.end error 
try { 
fx.end = cRE.exec(fx.end.replace(/,/g, '')); 
} catch (e) { 
return false; 
} 
} 
var sarr = new Array(), earr = new Array(), spos = fx.start.length, epos = fx.end.length, 
emOffset = fx.start[ss + 1] == 'em' ? (parseInt($(fx.elem).css('fontSize')) * 1.333 * parseInt(fx.start[ss])) : 1; 
for (var ss = 1; ss < spos; ss += 2) { sarr.push(parseInt(emOffset * fx.start[ss])); } 
for (var es = 1; es < epos; es += 2) { earr.push(parseInt(emOffset * fx.end[es])); } 
fx.elem.style.clip = 'rect(' + 
parseInt((fx.pos * (earr[0] - sarr[0])) + sarr[0]) + 'px ' + 
parseInt((fx.pos * (earr[1] - sarr[1])) + sarr[1]) + 'px ' + 
parseInt((fx.pos * (earr[2] - sarr[2])) + sarr[2]) + 'px ' + 
parseInt((fx.pos * (earr[3] - sarr[3])) + sarr[3]) + 'px)'; 
} 
})(jQuery);