/*
Form field Limiter script- By Dynamic Drive
For full source code and more DHTML scripts, visit http://www.dynamicdrive.com
This credit MUST stay intact for use
*/

var ns6 = document.getElementById&&!document.all

function restrictinput(maxlength, e, placeholder)
{
    if (window.event&&event.srcElement.value.length>=maxlength)
        return false
    else if (e.target&&e.target==eval(placeholder)&&e.target.value.length>=maxlength)
    {
        var pressedkey=/[a-zA-Z0-9\.\,\/]/ //detect alphanumeric keys
        if (pressedkey.test(String.fromCharCode(e.which)))
            e.stopPropagation()
    }
}

function countlimit(maxlength,e,placeholder)
{
    var theform=eval(placeholder)
    var lengthleft=maxlength-theform.value.length
    var placeholderobj=document.all? document.all[placeholder] : document.getElementById(placeholder)
    
    if (window.event || e.target && e.target==eval(placeholder))
    {
        if (lengthleft<0)
            theform.value=theform.value.substring(0,maxlength)
        
        placeholderobj.innerHTML=lengthleft
    }
}

function displaylimit(thename, theid, thelimit)
{
    var theform = theid!=""? document.getElementById(theid) : thename
    var limit_text='<span class="formText"><b><span id="'+theform.toString()+'">'+thelimit+'</span></b> characters remaining on your input limit</span>'
   
    if (document.all||ns6)
        document.write(limit_text)
   
    DisplayOnPostBack(thelimit, theform);
   
    if (document.all)
    {
        eval(theform).onkeypress=function(){ return restrictinput(thelimit,event,theform)}
        eval(theform).onkeyup=function(){ countlimit(thelimit,event,theform)}
    }
    else if (ns6)
    {
        document.body.addEventListener('keypress', function(event) { restrictinput(thelimit,event,theform) }, true); 
        document.body.addEventListener('keyup', function(event) { countlimit(thelimit,event,theform) }, true); 
    }
}

//Hyro custom function..
function DisplayOnPostBack(maxlength, placeholder)
{
    var theform = eval(placeholder);    
    var lengthleft = maxlength-theform.value.length;    
    var placeholderobj = document.getElementById(placeholder); ////var placeholderobj=document.all? document.all[placeholder] : document.getElementById(placeholder)
        
    if (lengthleft < 0)
        theform.value = theform.value.substring(0,maxlength);
    
    if (placeholderobj != null)
        placeholderobj.innerHTML=lengthleft;
}