// JavaScript Document
function checkForm(id)
{
	form=document.getElementById(id);
	
	
	if(form.name.value=="Twoj imię:" || form.email.value=="E-mail:"  || form.message.value=="Wiadomość:")
	{
		show_error("error1");
		return false;
	}
	else
		hide_error("error1");
	var reg=/^.+@.+\..+$/;
	if(form.email.value.match(reg)==null)
		{
			
			show_error("error2");
			return false;
		}
		else
			form.submit();
	
}

function show_error(what)
{
	//var what="error_1";
	b=navigator.appName;
	
	this.frm = "";

	this.doc = "document.";
	this.vis = ".display=";
	
	if (b=="Microsoft Internet Explorer") {
		this.obj = "all['"+what+"']";
		this.st = ".style";
		this.make = "\"block\"";
	
	} else {
		this.obj = "getElementById('"+what+"')";
		this.st = ".style";
		this.make = "\"block\"";
	}
	eval(this.frm+this.doc+this.obj+this.st+this.vis+this.make);
}

function hide_error(what)
{
	b=navigator.appName;
	
	this.frm = "";

	this.doc = "document.";
	this.vis = ".display=";
	
	if (b=="Microsoft Internet Explorer") {
		this.obj = "all['"+what+"']";
		this.st = ".style";
		this.make = "\"none\"";
	
	} else {
		this.obj = "getElementById('"+what+"')";
		this.st = ".style";
		this.make = "\"none\"";
	}
	eval(this.frm+this.doc+this.obj+this.st+this.vis+this.make);
	
}