function formLoginCheck(formName){
  ValidOk = true;
  var count = 0;
  while(count < formName.elements.length){
    var fieldType = formName.elements[count].type;
    var theFieldName = formName.elements[count].name;
    var fieldName = formName.elements[formName.elements[count].name];
	switch(fieldType){
	  case 'text':
	    if(theFieldName == 'txtUsername')
		  strCheckEmpty(fieldName,1,'User Name');
		if(theFieldName == 'txtAccNo')
		  strCheckEmpty(fieldName,1,'Account Number');
	  break;
	  
	  case 'password':
		  if(theFieldName == 'txtPassword')
			strCheckEmpty(fieldName,1,'Password');
	}
	if(ValidOk == false){
	  break;
	}
	count++;
  }
  if (ValidOk == true){
    return true;
  }else{
  	return false;
  }
}