Calculate translation from transform matrix

jquery.fn.translation.js

function translation(elem) {
	var	cssPrefixes = ["", "-webkit-", "-moz-", "-o-"],
		cStyle = window.getComputedStyle(elem, null),
		translation = {
			x: 0,
			y: 0
		};
		
	for (var i = cssPrefixes.length - 1; i >= 0; i--){
		var transform = cStyle.getPropertyValue(cssPrefixes[i] + "transform");
		if (transform && (/matrix/i).test(transform)) {
			var explodedMatrix = transform.replace(/^matrix\(/i, '').split(/, |\)$/g);
			translation = {
				x: explodedMatrix[4],
				y: explodedMatrix[5]
			};
			
			break;
		}
	}
	
	return translation;
};