javascript - How to disable pastdate in combodate.js? -

we using datepicker combodate.js,currently showing past date also,i want disable past date.so kindly give me best solution it.

code here: can find code here used us

http://code.google.com/p/rada-solutions/source/browse/trunk/proyectos/digip/temperatura/proyecto/digip+framework/app_theme_responsive/js/combodate/combodate.js?spec=svn211&r=178