function xmlhttplocal(){
	var oxmlhttplocal;
	try{
		if (window.XMLHttpRequest){ 
			oxmlhttplocal = new XMLHttpRequest();
		}
	}
	catch (e){
		oxmlhttplocal = false;
	}

	try{
		if (window.ActiveXObject){
			oxmlhttplocal = new ActiveXObject("Microsoft.XMLHTTP");	
		}
	}
	catch (e){
		oxmlhttplocal = false;
	}
	return (oxmlhttplocal);
}

function trim(s){
	var r = "";
	for (var i = 1; i <= s.length; i++)
		r += s.substring(i, i-1).replace(" ", "");
	return r;
}

function checa_email(campo) {
	var result = true;
	var email = campo.match(/(\w+)@(.+)\.(\w+)$/);
	if (email == null)
		result = false;
	return result;
}

function soNumero(e){
	var tecla = (window.event)?event.keyCode:e.which;
	if(tecla > 47 && tecla < 58) 
		return true;
	else{
		if (tecla != 8 && tecla != 0) 
			return false;
		else 
			return true;
	}
}

function spl_return(value, spl){
	var arr = value.split(spl);
	var rst = "";
	for (i = 0; i < arr.length; i++)
		rst += arr[i] + "\n";
	return rst;
}	

function abre_janela(width, height, nome, scrollbars) {
	var top; var left;
	top = ( (screen.height/2) - (height/2) )
	left = ( (screen.width/2) - (width/2) )
	window.open('', nome, 'width='+width+',height='+height+',scrollbars='+scrollbars+',toolbar=no,location=no,status=no,menubar=no,resizable=no,left='+left+',top='+top);
}

function abre_janela_url(url, width, height, nome, scrollbars) {
	var top; var left;
	top = ( (screen.height/2) - (height/2) )
	left = ( (screen.width/2) - (width/2) )
	return window.open(url, nome, 'width='+width+',height='+height+',scrollbars='+scrollbars+',toolbar=no,location=no,status=no,menubar=no,resizable=no,left='+left+',top='+top);
}

function abre_janela_revista(url, nome, scrollbars) {
	var top; var left; var height; var width;
	height = screen.height; 
	width = screen.width;
	top = ( (screen.height/2) - (height/2) )
	left = ( (screen.width/2) - (width/2) )
	return window.open(url, nome, 'width='+width+',height='+height+',scrollbars='+scrollbars+',toolbar=no,location=no,status=no,menubar=no,resizable=no,left='+left+',top='+top);
}

function indexOf(str, p){
	var vstr = p.split(":");
	for (i = 0; i < vstr.length; i++)
		if (str.indexOf(vstr[i]) != -1) return true; 
	return false;
}

function soNumero(e){
	var tecla = (window.event)?event.keyCode:e.which;
	if(tecla> 47 && tecla < 58) 
		return true;
	else{
		if (tecla != 8 && tecla != 0) 
			return false;
		else 
			return true;
	}
}

function saltaCampo(oF, oS, length){
	if (oF.value.length == length) oS.select();
}

function open_window(url, name, wd, ht, scr, tb, lc, st, mb, rz){
	var par =  "width=" + wd + ", height=" + ht + 
				", scrollbars=" + scr + ", toolbar=" + tb + 
				", location=" + lc + ", status=" + st + ",menubar=" + mb + ",resizable=" + rz
	window.open(url, name, par);
}