function isEmpty(field){
 var foundChar=false;
 var i=0;
 if (field.value != ""){
    while (i<=field.value.length-1 && !(foundChar)){
     if (field.value.charAt(i)!=" ")
       foundChar=true;
     i++;
    }//while
  if (foundChar)
   return false;
  else{
   alert(field.name +" required");
   return true;
  }// else if fountChar
  }//  if field.value!=""
 else{
   alert(field.name +" required");
   return true; 
 }// if field.value==""
}//isEmpty

function isNumber(field){
 if (!(isNaN(field.value))){
  return true;
  }// if number
 else{
  alert (field.name+" must be a number")
 return false; 
 } // if isNaN
}//isNumber

function transform(form){
 for (i=0;i<=form.elements.length-1;i++){
   form.elements[i].value= form.elements[i].value.replace(/'/g,"`")
}
}// transform



function matchField(field1,field2){
   if (field1.value.length==field2.value.length)
     if (field1.value.search(field2.value)!=-1)
      return true;
     else
      alert("Password and the Confirm password fields are not the same \n please re-enter your password")
     else
      alert("Password and the Confirm password fields are not the same \n please re-enter your password")
}// matchField