/*
		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 id="'+theform.toString()+'">'+thelimit+'</span>' //tady se to vypisuje
		if (document.all||ns6)
		document.write(limit_text)
		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); 
		}
		}