function max(txarea)

{

total = 500;

tam = txarea.value.length;

str="";

str=str+tam;

Digitado.innerHTML = str;


if (tam > total){

aux = txarea.value;

txarea.value = aux.substring(0,total);

Digitado.innerHTML = total

}
}

function cleanMask(val) {
	var strCheck = "'[](){}<>=+-*/_|\~`!?@#$%^&:;,.";
	var aux="";
	var i;

	for(i=0; i<val.length; i++) {
		if(strCheck.indexOf(val.charAt(i))==-1) {
			aux+=val.charAt(i);
		}
	}
	return aux;
}

function maskCurrency(val, milSep, decSep) {
	var aux="";
	var aux2="";

	var i,j;

	len = val.length;
	if (len == 0) {
		aux = '';
	} else if (len == 1) {
		aux = '0'+ decSep + '0' + val;
	} else if (len == 2) {
		aux = '0'+ decSep + val;
	} else if (len > 2) {
		aux2 = '';

		for (j = 0, i = len - 3; i >= 0; i--) {
			if (j == 3) {
				aux2 += milSep;
				j = 0;
			}
			aux2 += val.charAt(i);
			j++;
		}
		aux = '';
		len2 = aux2.length;
		for (i = len2 - 1; i >= 0; i--) {
			aux += aux2.charAt(i);
		}
		aux += decSep + val.substr(len - 2, len);
	}
	return aux;
}
function mask(_mask, val) {
	var i, mki;
	var aux="";

	for(i=mki=0; i<val.length; i++, mki++) {
		if(_mask.charAt(mki)=='' || _mask.charAt(mki)=='#' || _mask.charAt(i)==val.charAt(i)) {
			aux+=val.charAt(i);
		} else {
			aux+=_mask.charAt(mki)+val.charAt(i);
			mki++;
		}
	}
	return aux;
}

function maskEvent(field, _mask, event) {
	var key ='';
	var aux='';
	var len=0;
	var i=0;
	var strCheck = '0123456789';
	var rcode = (window.Event) ? event.which : event.keyCode;

	if(rcode == 13 || rcode == 0 || field.value.length == _mask.length  ) {
		//Enter
		key=String.fromCharCode(rcode);

		if(rcode!=13 && rcode!=0) {
			return false;
		}

		return true;
	}

	//Get key value from key code
	key=String.fromCharCode(rcode);

	if(strCheck.indexOf(key)==-1) {
		//Not a valid key
		return false;
	}

	aux=field.value+key;
	//window.alert(aux);
	aux=mask(_mask,aux);
	//window.alert(aux);
	field.value=aux;
	return false;
}

function currencyFormat(fld, milSep, decSep, e) {
	var sep = 0;
	var key = '';
	var i = j = 0;
	var len = len2 = 0;
	var strCheck = '0123456789';
	var aux = aux2 = '';
	var whichCode = (window.Event) ? e.which : e.keyCode;

	if (whichCode == 13 || whichCode == 0) {		//Enter
		return true;
	}
	key = String.fromCharCode(whichCode);  // Get key value from key code
	if (strCheck.indexOf(key) == -1) {
		return false;  // Not a valid key
	}
	len = fld.value.length;
	for(i = 0; i < len; i++) {
		if ((fld.value.charAt(i) != '0') && (fld.value.charAt(i) != decSep)) {
			break;
		}
	}
	aux = '';
	for(; i < len; i++) {
		if (strCheck.indexOf(fld.value.charAt(i))!=-1) {
			aux += fld.value.charAt(i);
		}
	}
	aux += key;

	len = aux.length;
	if (len == 0) {
		fld.value = '';
	} else if (len == 1) {
		fld.value = '0'+ decSep + '0' + aux;
	} else if (len == 2) {
		fld.value = '0'+ decSep + aux;
	} else if (len > 2) {
		aux2 = '';

		for (j = 0, i = len - 3; i >= 0; i--) {
			if (j == 3) {
				aux2 += milSep;
				j = 0;
			}
			aux2 += aux.charAt(i);
			j++;
		}
		fld.value = '';
		len2 = aux2.length;
		for (i = len2 - 1; i >= 0; i--) {
			fld.value += aux2.charAt(i);
		}
		fld.value += decSep + aux.substr(len - 2, len);
	}
return false;
}

function SomenteNumeros(input)
	{
	if ((event.keyCode<48)||(event.keyCode>57))
		event.returnValue = false;
	}
function setStyle(x)
{
document.getElementById(x).style.background="#CDDBE0"
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}