function preloadImages ()
{
	var args = preloadImages.arguments;
	var imageArray = new Array(args.length);
	
	for (i = 0; i < args.length; i++)
	{
		imageArray[i] = new Image;
		imageArray[i].src = args[i];
	}
}



function setNumChars (curValue)
{
	$('chars_left').innerHTML = (300-(curValue.length));
}


function textareaMaxChars (tValue, MaxLen)
{
  if (tValue.length >= MaxLen)
  {  	$('content_notice').value = tValue.substr(0,299);
  }
}



function setFocusLogin ()
{
	$("user").onfocus = function ()
	{
		if (this.value=='Gebruikersnaam')
		{
			this.value='';
		}
	}
	
	$("pass").onfocus = function ()
	{
		if (this.value=='Wachtwoord')
		{
			this.value='';
		}
	}
}

function setFocusNewsletter ()
{
	$("newsletter").onfocus = function ()
	{
		if (this.value=='Uw e-mailadres')
		{
			this.value='';
		}
	}
}

function setFocusSearch ()
{
	$("search").onfocus = function ()
	{
		if (this.value=='Zoekterm')
		{
			this.value='';
		}
	}
}




function setOwnPageBanner ()
{
	var teller = 5000;
	var header;
	
	for (var i = 0; i < 100; i++)
	{
		
		if (i % 3 == 0)
		{
			header = "ook_je_eigen_politiepagina";
		}
		else if (i % 3 == 1)
		{
			header = "ook_je_eigen_jongerenpagina";
		}
		else
		{
			header = "ook_je_eigen_pagina";
		}
		
		setTimeout("$('own_page').src='img/"+header+".jpg';",teller);
		teller += 5000;
	}
}





function setWebcamTimeoutRefresh ()
{
	new Ajax.PeriodicalUpdater('webcam', 'webcam.php', {method: 'get', frequency: 1, decay: 2});

}






document.observe("dom:loaded", function ()
{
	setFocusLogin();
	setFocusSearch();
	setFocusNewsletter();
	setWebcamTimeoutRefresh();
	//setOwnPageBanner();
});


/*
Event.observe(document.onresize ? document : window, "resize", function()
{
});
*/