//** Form field Limiter v2.0- (c) Dynamic Drive DHTML code library: http://www.dynamicdrive.com
//** Feb 25th, 09'- Script creation date
//** This notice must stay intact for legal use
var fieldlimiter={
defaultoutput: "[int] characters remaining in your input limit.", //default message that gets output to statusid element
uncheckedkeycodes: /(8)|(13)|(16)|(17)|(18)/, //keycodes that are not checked, even when limit has been reached. See http://www.javascriptkit.com/jsref/eventkeyboardmouse.shtml for avail keycodes
limitinput:function(e, config){
var e=window.event || e
var thefield=config.thefield
var keyunicode=e.charCode || e.keyCode
if (!this.uncheckedkeycodes.test(keyunicode)){
if (thefield.value.length>=config.maxlength){
if (e.preventDefault)
e.preventDefault()
return false
}
}
},
showlimit:function(config){
var thefield=config.thefield
var statusids=config.statusids
var charsleft=config.maxlength-thefield.value.length
if (charsleft<0) //if user has exceeded input limit (possible if cut and paste text into field)
thefield.value=thefield.value.substring(0, config.maxlength) //trim input
for (var i=0; i0){
var target=targetarr.shift()
if (target.addEventListener)
target.addEventListener(tasktype, functionref, false)
else if (target.attachEvent)
target.attachEvent('on'+tasktype, function(){return functionref.call(target, window.event)})
this.addEvent(targetarr, functionref, tasktype)
}
},
setup:function(config){
if (config.thefield){ //if form field exists
config.onkeypress=config.onkeypress || function(){}
config.thefield.value=config.thefield.value
this.showlimit(config)
this.addEvent([window], function(e){fieldlimiter.showlimit(config)}, "load")
this.addEvent([window], function(e){fieldlimiter.cleanup(config)}, "unload")
this.addEvent([config.thefield], function(e){return fieldlimiter.limitinput(e, config)}, "keypress")
this.addEvent([config.thefield], function(){fieldlimiter.showlimit(config)}, "keyup")
}
}
}