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_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_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];}
}
//...............................................................................................................
function changeCheckStyle(idCheckBox,idTD,content)
{
  var cb = idCheckBox;
	var td = document.getElementById(idTD);
	if (cb.checked) td.innerHTML='<font color="#FF0000"><strong>'+content+'</strong></font>';
	           else td.innerHTML=content;
	return;
}
//...............................................................................................................
function updateLoginFrom(idLoginBox,idTextFrom)
{
	 var login = document.getElementById(idLoginBox).value;
	 var text  = document.getElementById(idTextFrom).value;
	 var temp  = "";
	 text = text.toLowerCase();
	 if (login.length>0) return;
	 for (i=0; i<text.length; i++) if ((text.substr(i,1)>='a') && (text.substr(i,1)<='z')) temp = temp+text.substr(i,1);
	 document.getElementById(idLoginBox).value = temp;
	 return;
}
//..............................................................................................................................
//:: used to clear a text field. needed params are the fields itself and the normal text inside it ::
function clearBox(field,originalText)
{
  var zoneText = field; // document.getElementById(field);
  if (zoneText.value==originalText) { zoneText.value=""; }
}
//..............................................................................................................................
//:: this will return the keycode of the keypressed on IE AND Firefox ::

function myKeyCode(myEvent)
{
  for (prop in myEvent)
    { if (prop == 'which') return(myEvent.which); }  // netscape/firefox
  return(myEvent.keyCode);                           // internet explorer
}
//...............................................................................................................
//:: this will accept only A-Z a-z & 0-9 ::
function charsNumbersOnly(myEvent)
{
        var validChars = /\w/;
        var specialChars = /[\x00\x08\x0D]/;
        var decimal  = myKeyCode(myEvent);
        var car = String.fromCharCode(decimal);
        var authorized = validChars.test(car) || specialChars.test(car);
        return authorized;
}
//...............................................................................................................
// used to determine the left/top position of an object

function findPos(obj) {
  var curLeft = curTop = 0;
  if (obj.offsetParent) {
    curLeft = obj.offsetLeft;
    curTop = obj.offsetTop;
    while (obj = obj.offsetParent) {
      curLeft += obj.offsetLeft;
      curTop += obj.offsetTop;
    }
  }
  return [curLeft,curTop];
}