function toggleBox(szDivID, iState) // 1 visible, 0 hidden
{

    if(document.layers)	   //NN4+
    {
       document.layers[szDivID].visibility = iState ? "show" : "hide";
    }
    else if(document.getElementById)	  //gecko(NN6) + IE 5+
    {
        var obj = document.getElementById(szDivID);
        obj.style.visibility = iState ? "visible" : "hidden";
    }
    else if(document.all)	// IE 4
    {
        document.all[szDivID].style.visibility = iState ? "visible" : "hidden";
    }
}

function hide() {
toggleBox('kortti1_iso',0);
toggleBox('kortti2_iso',0);
}

function hide2() {
toggleBox('sound1',0);
toggleBox('sound2',0);
}


function preload() {
			if (document.images) {
				preload = new Array(3);
				for (m=0; m<3; m++) {
				preload[m] = new Image(); }
				preload[0].src = "pics/btn_5-6_on.gif";
				preload[1].src = "pics/btn_8_on.gif";
				preload[2].src = "pics/btn_1-3_on.gif";
				}
			}


function swapImage(imgName,newImg) { eval('document.' + imgName + '.src = "' + newImg + '"'); }


function sizebrowser(intwidth,intheight){
window.resizeTo(intwidth,intheight);
}


/*
function show_soundoff() {
toggleBox(\'kortti2_iso\',1);
}

function show_soundon() {
toggleBox(\'kortti1_iso\',1);
}
*/

/*
function soundcheck2(musa) {

var sounds;

if (parent.musiikki.document.title == "nosounds") {
sounds = "off"; } else { sounds = "on"; }


//sounds = "off";
//alert(sounds);
document.write('<div id="sound1" class="volumecontrol" style="visibility: hidden;"><a href="../music/off.html" target="musiikki" onclick="hide();"><img src="../pics/btn_music_off.gif" alt="" border="0" /></a></div>');
document.write('<div id="sound2" class="volumecontrol" style="visibility: hidden;"><a href="../music/' + musa + '.html" target="musiikki" onclick="hide();"><img src="../pics/btn_music_on.gif" alt="" border="0" /></a></div>');

}
*/

function soundcheck() {

var sounds;


if (parent.musiikki.document.title == "nosounds") {
sounds = "off"; } else { sounds = "on"; }

/*
sounds = "on";
alert(sounds);
*/

if (sounds == "on") 
	{ toggleBox('sound1',1); } 
	else { toggleBox('sound2',1); }
	

}



function textCounter( field, countfield, maxlimit ) {
  if ( field.value.length > maxlimit )
  {
    field.value = field.value.substring( 0, maxlimit );
    alert( 'Viestin maksimipituus on ' + maxlimit + ' merkkiä.');
    return false;
  }
  /*
  else
  {
    countfield.value = maxlimit - field.value.length;
  }
  */
}