function ohjaa(osoite) {
				 var uusi_osoite;
				 uusi_osoite = osoite.replace(/&/gi, "&");
				 document.location.href=[uusi_osoite];
}


NS4 = (document.layers) ? true : false;

function checkEnter(event)
{ 	
	var code = 0;
	
	if (NS4)
		code = event.which;
	else
		code = event.keyCode;
	if (code==13)
		document.getElementById('login_form').submit();
}


var newwindow = '';

function popitup(url) {
/*if (newwindow.location && !newwindow.closed) {
    newwindow.location.href = url;
    newwindow.focus(); }
else {
	*/
    var newwindow=window.open(url,'htmlname','width=500,height=603,resizable=0,toolbar=0,menubar=0');
	newwindow.focus();
	}
/*}*/

function tidy() {
if (newwindow.location && !newwindow.closed) {
   newwindow.close(); 
	 }
}