splitting of name

I have wrote a Javascript using a external Html object and updated the name. Steps are following


function updateName() {

var me = AICC_Student_Name.getValue();

var a = me.substring(me.indexOf(',')+1, me.length);

var b = me.substring(0, me.indexOf(','));

VartempName = a+', '+b;

alert(VartempName);

}


the VartempName variable value is not getupdated outside the script. May I know the mistake in this code?


Thanks and Regards

Nidheesh

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