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;
			
	val = val.replace(",", "");
	val = val.replace(".", "");
	var valx =  Number(val);
	val = valx.toString();
	if (val == "0")
	{
		val = "";
	}
	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
	if (window.event)
	{
		rcode = event.keyCode;
	}
	else if (event.which)
	{
		rcode = event.which;
	}
	
	if(rcode == 13 || rcode == 0) {
		//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;
	}

	field.maxLength = _mask.length;
	aux=field.value;
	if (aux.length < _mask.length)
	{
		aux=field.value+key;
		//window.alert(aux);
		aux=mask(_mask,aux);
		//window.alert(aux);
		field.value=aux.slice(0,aux.length-1);
	}
	return true;
}

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 formata_cep(campo)
{
	var fcampo = campo.value;
	var fncampo = "";
	for(var i = 0; i < fcampo.length; i++)
	{
		if (!isNaN(fcampo.substr(i, 1)))
		{
			fncampo = fncampo + fcampo.substr(i, 1);
			if (fncampo.length == 5)
			{
				fncampo = fncampo + "-";
			}
		}
	}
	if (fcampo != fncampo)
	{
		campo.value = fncampo;
	}
}