function hidehint(type,pageid,act,user)
{

	document.getElementById('hintbutton1').style.display=(document.getElementById('hintbutton1').style.display=='none')?'block':'none';
	document.getElementById('hintbutton2').style.display=(document.getElementById('hintbutton2').style.display=='none')?'block':'none';
	document.getElementById('hint').style.display=(document.getElementById('hint').style.display=='none')?'block':'none';

		JsHttpRequest.query('/ajax_functions.php',
		{
			'function': 'hidehint', 
			'type': type, 
			'page': pageid,
			'act': act,
			'user': user
		}, 
		function(result, answer) 
		{

		},true);
}


function getElementByName(id)
{
	var ar=document.getElementsByName(id);
	return ar[0];	
}

function checknumeric()
{
if(window.event)
{
  var key = window.event.keyCode; 
  if (key <48 || key >57) window.event.returnValue = false; 
}
}

function FocusIN(obj)
{
  obj.style.backgroundColor="#f3f3f3";
}
function FocusOUT(obj)
{
  obj.style.backgroundColor="#ffffff";
}

function clock() {
if (!document.getElementById && !document.all) return;

var hours = digital.getHours();
var minutes = digital.getMinutes();
var seconds = digital.getSeconds();

var m;

digital.setSeconds( seconds+1 );

//if (hours <= 9) minutes = "0" + hours;
if (minutes <= 9) minutes = "0" + minutes;
if (seconds <= 9) seconds = "0" + seconds;


dispTime =hours + ":" + minutes ;

if (hours <= 9) dispTime = "0" + dispTime;

if(document.getElementById('clock')) document.getElementById('clock').innerHTML=dispTime;

setTimeout("clock()", 1000);


}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}