function check_it()
{
//Create objects
var sname = document.getElementById('sname').value;
var sepost = document.getElementById('sepost').value;
var pnum = document.getElementById('pnum').value;

var errormsg = '';
var sepostfeil = false;
var mepostfeil = false;

if(sname.length < 3)
{
	errormsg = errormsg + 'You have to fill in your name.\n';
}

if(pnum.length < 3)
{
	errormsg = errormsg + 'You have to fill in your zipcode.\n';
}
								
if(sepost.indexOf("@") == -1)
{
	sepostfeil = true;
}
else
{
	var splitter = sepost.split("@");
	
	if(splitter[1].indexOf(".") == -1)
	{
		sepostfeil = true;
	}
}
							
if(sepostfeil)
{
	errormsg = errormsg + 'Your e-mail is incorrect.\n';
}

if(mepostfeil)
{
	errormsg = errormsg + 'Receivers e-mail is incorrect.\n';
}

if(errormsg.length > 0)
{
	alert(errormsg);
	return false;
}
else
{
	return true;
}				
}

function switch_color(color,id)
{
	var tdObj = document.getElementById(id);
	tdObj.style.backgroundColor = color;
}

function activate_link(id,color)
{
	var linkObj = document.getElementById(id);
	linkObj.style.color = color;	
}

var oldin = 0;
var output = "";

function typewriter(texten,inn,inn2,sw)
{
	
	var typeObj = document.getElementById('typewrite');
	var textar = texten.split("|");
	inn2 = inn2 -0;
	inn = inn -0;
	var a = textar.length;
	a = a - 0;
	if(sw == 1)
	{
		sw = 0;
		tbit = "_";
	}
	else
	{
		sw = 1;
		tbit = "";
	}
	if(inn < a)
	{
		if(oldin < textar[inn].length)
		{	
			w_text = textar[inn];		
			output = output + w_text.substring(inn2,inn2+1);
			if(output.length > 60)
			{
				output = output.substring((output.length-60),output.length);
			}
			typeObj.innerHTML = output+tbit
			oldin = inn2 +1;
			time = setTimeout("typewriter('"+texten+"',"+inn+","+(inn2+1)+","+sw+")",80);		
		}	
		else
		{
			w_text = textar[inn];		
			output = output + w_text.substring(inn2,inn2+1);
			if(output.length > 60)
			{
				output = output.substring((output.length-60),output.length);
			}
			typeObj.innerHTML = output;
			output = "";
			inn = inn - 0 + 1;
			oldin = 0;
			time = setTimeout("typewriter('"+texten+"',"+inn+",0,0)",1000);	
		}
	}
	else
	{
		oldin = 0;
		time = setTimeout("typewriter('"+texten+"',0,0,0)",1000);		
	}
}

function check_letter()
	{
		var text = document.getElementById('epost').value;
		
		var errormsg = false;
		
		if(text.length < 6)
		{
			errormsg = true;
		}
		
		if(text.indexOf("@") == -1)
		{
			errormsg = true;
		}		
		else
		{
			textsplit = text.split("@")
			if(textsplit[1].indexOf(".") == -1)
			{
				errormsg = true;
			}			
		}
		
		if(errormsg)
		{
			alert('Your e-mail is incorrect.\n');
			return false;
		}
		else
		{
	
			return true;
		}		
	}
	
function nl_remove()
{
	var nlForm = document.getElementById('nlform');
	nlForm.action = 'newsletteradd.asp?m=off';
	var send = check_letter();
	if(send)
	{
		nlForm.submit();
	}
}