code: function isVersionAtLeast(dottedVersion, major, minor, patch){
  	var i, v, t,
  		verParts = $.map($.trim(dottedVersion).split("."), function(e){ return parseInt(e, 10); }),
  		testParts = $.map(Array.prototype.slice.call(arguments, 1), function(e){ return parseInt(e, 10); });
  
  	for( i = 0; i < testParts.length; i++ ){
  		v = verParts[i] || 0;
  		t = testParts[i] || 0;
  		if( v !== t ){
  			return ( v > t );
  		}
  	}
  	return true;
  }
docs: Return true if dotted version string is equal or higher than requested version.
  
  See http://jsfiddle.net/mar10/FjSAN/