function cvtcv(){
    var a;
    a = new Array();
      if(document.form1.Q2.value.indexOf(" ")<0){
        split(document.form1.Q2.value, " ", a);  //arrange
      }else{
        split(document.form1.Q2.value, " ", a);
      }
    return a;
}


function split(str, deli, arr) {
    var prepos = 0;
    var index = 0;
    var deli_length = deli.length;
    //str to deli roop
    while((pos = str.indexOf(deli, prepos)) != -1) {
        arr[index++] = str.substring(prepos, pos);
        prepos = pos + deli_length;
    }
    arr[index] = str.substring(prepos);
}