Andrej Cimperšek - diploma

/*

        Copyright (c) 2004-2010, 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;

};

}