first solution here ? http://www.the-art-of-web.com/javascript/doublesubmit/


>I have the following code on a button:
>
>

><input type="submit" name="LabelGenericRecall" value="Recall" onclick="document.Form1.View.value=0; ButtonOperation(this);"
> id="LabelGenericRecall" style="width:150px;" />
>

>
>The code of ButtonOperation() is this:
>
>

>function ButtonOperation(toButton,tcUrl,tcMessage)
>{
>   lcMessage=''
>   lcUrl=''
>   if (tcUrl==null)
>   {
>      lcUrl=''
>   }
>   else
>   {
>      lcUrl=tcUrl
>   }
>   if (tcMessage==null)
>   {
>      lcMessage=''
>   }
>   else
>   {
>      lcMessage=tcMessage
>      lcMessage=lcMessage.replace('\\','\\\\')
>      lcMessage=lcMessage.replace("'","\\'")
>      lcMessage=lcMessage.replace('"','\\"')
>   }
>   if (lcMessage.length>0)
>   {
>      if (confirm(lcMessage))
>      {
>         toButton.disabled=true
>         if (lcUrl.length>0)
>         {
>            location.href=lcUrl
>         }
>         else
>         {
>            loForm=document.getElementById("Form1")
>            loForm.submit()
>         }
>      }
>   }
>   else
>   {
>      toButton.disabled=true
>      if (lcUrl.length>0)
>      {
>         location.href=lcUrl
>      }
>      else
>      {
>         loForm=document.getElementById("Form1")
>         loForm.submit()
>      }
>   }
>}
>

>
>So, basically, in there, once the click is done, toButton.disabled becomes True.
>
>However, a user has succeeded to submit two transactions at the same time. So, this means he succeeded to click so fast that the second click was performed before toButton.disabled=true was executed.
>
>I tried to simulate that and was not able to. Anyone would have any idea on how he could have succeeded?