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	function supports3d() {
		// borrowed from modernizr
		var div = document.createElement('div'),
			ret = false,
			properties = ['perspectiveProperty', 'WebkitPerspective'];
		for (var i = properties.length - 1; i >= 0; i--){
			ret = ret ? ret : div.style[properties[i]] != undefined;
		};
        
        // webkit has 3d transforms disabled for chrome, though
        //   it works fine in safari on leopard and snow leopard
        // as a result, it 'recognizes' the syntax and throws a false positive
        // thus we must do a more thorough check:
        if (ret){
            var st = document.createElement('style');
            // webkit allows this media query to succeed only if the feature is enabled.    
            // "@media (transform-3d),(-o-transform-3d),(-moz-transform-3d),(-ms-transform-3d),(-webkit-transform-3d),(modernizr){#modernizr{height:3px}}"
            st.textContent = '@media (-webkit-transform-3d){#test3d{height:3px}}';
            document.getElementsByTagName('head')[0].appendChild(st);
            div.id = 'test3d';
            document.body.appendChild(div);
            
            ret = div.offsetHeight === 3;
            
            st.parentNode.removeChild(st);
            div.parentNode.removeChild(div);
        }
        return ret;
	}