SHT21 sensor error at compling

sht21 sensor
#include<Wire.h>
#include<LibHumidity.h>
int H;
int T;
LibHumidity humidity = LibHumidity(0);
void setup()
{
Serial.begin(9600);
}

void loop()
{
H = (int) humidity.GetHumidity();
T = (int) humidity.GetTemperature();
Serial.print("Humidity:");
Serial.print(h);
Serial.print("Temp:");
Serial.println(t);
}

sketch_jul09a:5: error: ‘LibHumidity’ does not name a type
sketch_jul09a.ino: In function ‘void loop()’:
sketch_jul09a:13: error: ‘humidity’ was not declared in this scope
sketch_jul09a:16: error: ‘h’ was not declared in this scope
sketch_jul09a:18: error: ‘t’ was not declared in this scope
sketch_jul09a:18: error: expected `}' at end of input

I try to compile but I could
can please someone help me with this problem ???

http://www.liquidware.com/shop/show/SEN-SHT/Humidity+and+Temperature+Sensor

My best guess is that you are missing the library?

I couldn't find it though

Check these links:

http://www.arduino.cc/playground/Code/Sensirion

I used a SHT11. Anyway this should help.

Cheers