| /* |
| Copyright (c) 2004-2009, The Dojo Foundation All Rights Reserved. |
| Available via Academic Free License >= 2.1 OR the modified BSD license. |
| see: http://dojotoolkit.org/license for details |
| */ |
| |
| |
| if(!dojo._hasResource["dojox.validate.isbn"]){ |
| dojo._hasResource["dojox.validate.isbn"]=true; |
| dojo.provide("dojox.validate.isbn"); |
| dojox.validate.isValidIsbn=function(_1){ |
| var _2,_3=0,_4; |
| if(!dojo.isString(_1)){ |
| _1=String(_1); |
| } |
| _1=_1.replace(/[- ]/g,""); |
| _2=_1.length; |
| switch(_2){ |
| case 10: |
| _4=_2; |
| for(var i=0;i<9;i++){ |
| _3+=parseInt(_1.charAt(i))*_4; |
| _4--; |
| } |
| var t=_1.charAt(9).toUpperCase(); |
| _3+=t=="X"?10:parseInt(t); |
| return _3%11==0; |
| break; |
| case 13: |
| _4=-1; |
| for(var i=0;i<_2;i++){ |
| _3+=parseInt(_1.charAt(i))*(2+_4); |
| _4*=-1; |
| } |
| return _3%10==0; |
| break; |
| } |
| return false; |
| }; |
| } |
