var hiliteClass = 'hilightedInputField';
var normalClass = 'inputField';
var hilitedElem = '';
var regExp = /INPUT|OPTION|SELECT|TEXTAREA/;

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

//Function to highlight form element
function hilite(evt){
	evt = evt ? evt : window.event;
	var currentElem = evt.srcElement ? evt.srcElement : evt.target || evt.currentTarget;
	if(currentElem.className && regExp.test(currentElem.tagName)){
		//if (ns6&&eventobj.nodeType==3)eventobj=eventobj.parentNode.parentNode
		if(hilitedElem)hilitedElem.className = normalClass;
		currentElem.className = hiliteClass;
		hilitedElem = currentElem;
	}
}
function removeHilite(evt){
	evt = evt ? evt : window.event;
	var currentElem = evt.srcElement ? evt.srcElement : evt.target || evt.currentTarget;
	if(currentElem.className && regExp.test(currentElem.tagName)){
		currentElem.className = normalClass;
	}
}

//mxm de carac
function max(txarea) 
{ 
total = 300; 
tam = txarea.value.length; 
str=""; 
str=str+tam; 
Digitado.innerHTML = str; 
Restante.innerHTML = total - str; 

if (tam > total){ 
aux = txarea.value; 
txarea.value = aux.substring(0,total); 
Digitado.innerHTML = total 
Restante.innerHTML = 0 
} 
}