excluding a attribute from json strigify
function replacer(key,value)
{
if (key=="privateProperty1") return undefined;
else if (key=="privateProperty2") return undefined;
else return value;
}
var x = {
x:0,
y:0,
divID:"xyz",
privateProperty1: 'foo',
privateProperty2: 'bar'
};
alert(JSON.stringify(x, replacer));