js summary(1)

<input type="hidden" name="folderexist/" value="yes" id="folderexist"> 

<html:submit property="btnsubmit" value="OK" onkeypress="return isExist();" onclick="return isExist();" />

<script language="javascript">
 function   isExist()   //add by dustin to check the existence of the objective folder  07-03-21
 {  
  //"document.all.folderexist.value  " is exclusively for IE but the following is for both Mozilla and IE

  existence=document.getElementById("folderexist").value   

   
  if(existence=="yes")  

        //return true while "confirm" clicked and false while "cancel" clicked

        return window.confirm("You are submitting updates to the system. Please confirm.")       

 else  
  {
        alert("Objective directory does not exist,it may have been manually deleted.")   //always retrun true
        return false
   }
 } 
</script>