// JavaScript Document
function onlynumbers(e) {
	if(window.event){
		key = e.keyCode;
	}else if(e.which) {
		key = e.which;
	}
	if (key!=8 || key < 48 || key > 57) return (((key > 47) && (key < 58)) || (key==8));
	{
		return true;
	}
}
 
function clearDefault(el) {
	if (el.defaultValue==el.value) el.value = ""
}
 
String.prototype.formatCurrency=formatamoney

function formatCurrency(number){
	var num = new String (number);
	if (num.indexOf (".") == -1){
		intLen = num.length;
		toEnd = intLen;
		var strLeft = new String (num.substring (0, toEnd));
		var strRight = new String ("00");
	}else {
		pos = eval (num.indexOf ("."));
		var strLeft = new String (num.substring (0, pos));
		intToEnd = num.length;
		intThing = pos + 1;
		var strRight = new String (num.substring (intThing, intToEnd));
		if (strRight.length > 2){
			nextInt = strRight.charAt(2);
			if (nextInt >= 5){
				strRight = new String (strRight.substring (0, 2));
				strRight = new String (eval ((strRight * 1) + 1));
				if((strRight * 1) >= 100){
				strRight = "00";
				strLeft = new String (eval ((strLeft * 1) + 1));
			}
			if (strRight.length <= 1){
				strRight = new String ("0" + strRight);
			}
		}else{
			strRight = new String (strRight.substring (0, 2));
		}
		}else{
			if (strRight.length != 2){
			strRight = strRight + "0";
			}
		}
	}
	if (strLeft.length > 3 && strLeft.length <13){
		var curPos = (strLeft.length - 3);
		while (curPos > 0){
			var remainingLeft = new String (strLeft.substring (0, curPos));
			var strLeftLeft = new String (strLeft.substring (0, curPos));
			var strLeftRight = new String (strLeft.substring (curPos, strLeft.length));
			strLeft = new String (strLeftLeft + "." + strLeftRight);
			curPos = (remainingLeft.length - 3);
		}
	}
	strWhole = strLeft + "," + strRight;
	finalValue = 'R$ '+ strWhole;
	return (finalValue);
}
 
documentall = document.all;
 
function formatamoney(c) {
	var t = this; if(c == undefined) c = 2;		
	var p, d = (t=t.split("."))[1].substr(0, c);
	for(p = (t=t[0]).length; (p-=3) >= 1;) {
		t = t.substr(0,p) + "." + t.substr(p);
	}
	return t+","+d+Array(c+1-d.length).join(0);
}
 
 
 
function demaskvalue(valor, currency){
	var val2 = '';
	var strCheck = '0123456789';
	var len = valor.length;
	if (len== 0){
		return 0.00;
	}
	
	if (currency ==true){	
		for(var i = 0; i < len; i++)
		if ((valor.charAt(i) != '0') && (valor.charAt(i) != ',')) break;
		
		for(; i < len; i++){
			if (strCheck.indexOf(valor.charAt(i))!=-1) val2+= valor.charAt(i);
		}
	
		if(val2.length==0) return "0.00";
		if (val2.length==1)return "0.0" + val2;
		if (val2.length==2)return "0." + val2;
		
		var parte1 = val2.substring(0,val2.length-2);
		var parte2 = val2.substring(val2.length-2);
		var returnvalue = parte1 + "." + parte2;
		return returnvalue;
	}
	else{
		val3 ="";
		for(var k=0; k < len; k++){
			if (strCheck.indexOf(valor.charAt(k))!=-1) val3+= valor.charAt(k);
		}			
		return val3;
	}
}
 
function reais(obj,event){
	var whichCode = (window.Event) ? event.which : event.keyCode;
	 
	if (whichCode == 8 && !documentall) {	
		if (event.preventDefault){ //standart browsers
			event.preventDefault();
		}else{ // internet explorer
			event.returnValue = false;
		}
		var valor = obj.value;
		var x = valor.substring(0,valor.length-1);
		obj.value= demaskvalue(x,true).formatCurrency();
		return false;
	}
	FormataReais(obj,'.',',',event);
}
  
function backspace(obj,event){
	var whichCode = (window.Event) ? event.which : event.keyCode;
	if (whichCode == 8 && documentall) {	
	var valor = obj.value;
	var x = valor.substring(0,valor.length-1);
	var y = demaskvalue(x,true).formatCurrency();
	
	obj.value ="";
	obj.value += y;
	
	if (event.preventDefault){
		event.preventDefault();
	}else{
		event.returnValue = false;
	}
	return false;
	
	}	
}
 
function FormataReais(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 == 0 ) return true;
	if (whichCode == 9 ) return true; //tecla tab
	if (whichCode == 13) return true; //tecla enter
	if (whichCode == 16) return true; //shift internet explorer
	if (whichCode == 17) return true; //control no internet explorer
	if (whichCode == 27 ) return true; //tecla esc
	if (whichCode == 34 ) return true; //tecla end
	if (whichCode == 35 ) return true;//tecla end
	if (whichCode == 36 ) return true; //tecla home
	
	if (e.preventDefault){
		e.preventDefault()
	}else{
		e.returnValue = false
	}
	
	var key = String.fromCharCode(whichCode);
	if (strCheck.indexOf(key) == -1) return false;
	
	fld.value += key;
	
	var len = fld.value.length;
	var bodeaux = demaskvalue(fld.value,true).formatCurrency();
	fld.value=bodeaux;
	
	if (fld.createTextRange) {
		var range = fld.createTextRange();
		range.collapse(false);
		range.select();
	}
	else if (fld.setSelectionRange) {
		fld.focus();
		var length = fld.value.length;
		fld.setSelectionRange(length, length);
	}
	return false;
}
 
function tamanhoTeste(obj,event){
	var v = obj.value;
	if(v.length < 12){
		reais(obj,event);
	}
}
 
// somente números
function isNumberKey(evt){
	var charCode = (evt.which) ? evt.which : event.keyCode
	if (charCode > 31 && (charCode < 48 || charCode > 57)){
		return false;
	}
	return true;
}

// números e vírgula
function isNumberKey2(evt){
	var charCode = (evt.which) ? evt.which : event.keyCode
	if (charCode > 31 && (charCode < 48 || charCode > 57)){
		if (charCode != 46){
			return false;
		}
	}
	return true;
}

// barras do campo data
function mascaraData(obj,evt){
	var charCode = (evt.which) ? evt.which : event.keyCode;
	
	if (charCode > 31 && (charCode < 48 || charCode > 57)){
		return false;
	}
	
	if (obj.value.length == 2 || obj.value.length == 5 ){
		obj.value = obj.value+"/";
	}
	
	return true;
}