Re: javascript functions passing arguments

Thanks Two-Bits,

I've applied your code to textareas etc and it works just fine 

I'm not quite sure about the following line, what is this line saying?

typeof(input.defaultValue)=="undefined"

Many thanks
Peter Newton

-----------------------------------------


> dont worry about form or input names...you can just pass "this" to the 
> function. also, try building off the input object to hold the original 
> value. try these generic functions:
> 
> <SCRIPT>
> <!--
> function hideDefault(input){
>   if(typeof(input.defaultValue)=="undefined")
>     input.defaultValue = input.value;
>   if(input.value == input.defaultValue)
>     input.value = "";
>   return true;
> }
> function showDefault(input){
>   if(input.value == "" && typeof(input.defaultValue)!="undefined")
>     input.value = input.defaultValue;
>   return true;
> }
> //-->
> </SCRIPT>
> 
> then your fields are as easy as this:
> 
> <FORM>
> <INPUT onFocus="return hideDefault(this);"
>        onBlur="return showDefault(this);"
>        value="Type your full name here"><BR>
> <INPUT onFocus="return hideDefault(this);"
>        onBlur="return showDefault(this);"
>        value="Type your full address here"><BR>
> </FORM>
> 
> Good luck - Two-Bits

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