// Functions for celaning input data.

    function replaceChars(field) 
    //KK removes all non-numeric characters with no prompt to user..
    {
    var str;
    str=field.value;
   for (var i=0; i<field.value.length; i++) {   
    //str=str.replace( /\D/,"");
    str=str.replace( /[^0-9-]/ ,"");
    
    
    text=str;
   }
      field.value=text;
      text="";
    }
    
function alltrim(field) {
 // remove leading and training spaces
 var str;
 str=field.value;
     
 str=str.replace(/^\s+|\s+$/g, '');
 field.value=str;
}