function str_replace(e,n,o){var r="",t=0;for(i=o.indexOf(e);i>-1;i=o.indexOf(e,i))r+=o.substring(t,i),r+=n,i+=e.length,t=i;return r+o.substring(t,o.length)}function pinHelper(e,n){entirePincode=document.forms.pincodeForm.elements["pincode"+e].value,entirePincode=str_replace("-","",entirePincode),entirePincode=str_replace(".","",entirePincode),entirePincode=str_replace(" ","",entirePincode),10==entirePincode.length?(document.forms.pincodeForm.elements.pincode1.value=entirePincode.substring(0,4),document.forms.pincodeForm.elements.pincode2.value=entirePincode.substring(4,7),document.forms.pincodeForm.elements.pincode3.value=entirePincode.substring(7,10)):(document.forms.pincodeForm.elements["pincode"+e].value.length>n&&(document.forms.pincodeForm.elements["pincode"+e].value=entirePincode.substring(0,n)),document.forms.pincodeForm.elements["pincode"+e].value.length==n&&(3==e||document.forms.pincodeForm.elements["pincode"+(e+1)].focus()))}