getStyle = function(obj, name) {
		if (obj.currentStyle) {
			return obj.currentStyle[name];
		} else if (window.getComputedStyle) {
			return window.getComputedStyle(obj, null)[name];
		}
	}
Returns a given computed style of a DOM element.

	@method getStyle
	@static
	@param {Object} obj DOM element like object.
	@param {String} name Style you want to get from the DOM element