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function firstnamevalidation(econtext) {
    var formContext = econtext.getFormContext();
    var reg = /^[a-zA-Z ]*$/;//allows space
    var firstval = formContext.getAttribute("firstname").getValue();
     if ((GetValue("firstname", econtext) != null) && (GetValue("xrm_enquirytype", econtext) != null)) {
 
         if (!(firstval.match(reg))) {
             //alert("No Numeric and Special Character is Allowed");
             AlertNew("Numeric and Special Character is Not Allowed");
             formContext.getAttribute("firstname").setValue(null);
         }
         else {
             return false;
         }
     }
}