function DTK_callJS(jsStr) {
  return eval(jsStr)
}

function DTK_displayStatusMsg(msgStr) { 
  status=msgStr;
  document.DTK_returnValue = true;
}

function DTK_openBrWindow(theURL,winName,features) {
  return window.open(theURL,winName,features);
}

function DTK_popupMsg(theMsg) {
  alert(theMsg);
}

function DTK_swapImgRestore() { 
  if (document.DTK_swapImgData != null)
    for (var i=0; i<(document.DTK_swapImgData.length-1); i+=2)
      document.DTK_swapImgData[i].src = document.DTK_swapImgData[i+1];
}

function DTK_preloadImages() { 
  if (document.images) {
    var imgFiles = DTK_preloadImages.arguments;
    if (document.preloadArray==null) document.preloadArray = new Array();
    var i = document.preloadArray.length;
    with (document) for (var j=0; j<imgFiles.length; j++) if (imgFiles[j].charAt(0)!="#"){
      preloadArray[i] = new Image;
      preloadArray[i++].src = imgFiles[j];
  } }
}

function DTK_swapImage() { 
  var i,j=0,objStr,obj,swapArray=new Array,oldArray=document.DTK_swapImgData;
  for (i=0; i < (DTK_swapImage.arguments.length-2); i+=3) {
    objStr = DTK_swapImage.arguments[(navigator.appName == 'Netscape')?i:i+1];
    if ((objStr.indexOf('document.layers[')==0 && document.layers==null) ||
        (objStr.indexOf('document.all[')   ==0 && document.all   ==null))
      objStr = 'document'+objStr.substring(objStr.lastIndexOf('.'),objStr.length);
    obj = eval(objStr);
    if (obj != null) {
      swapArray[j++] = obj;
      swapArray[j++] = (oldArray==null || oldArray[j-1]!=obj)?obj.src:oldArray[j];
      obj.src = DTK_swapImage.arguments[i+2];
  } }
  document.DTK_swapImgData = swapArray; //used for restore
}


function IsInValidKeyPress(KeyPress){
//returns false if not alphanumeris or _
//usage:
// <input type="text" name="textfield" onKeypress="if (IsInValidKeyPress(event.keyCode)) event.returnValue = false;">

	if (event.keyCode >= 48 && event.keyCode <= 57)
		return false;
	if (event.keyCode >= 65 && event.keyCode <= 97)
		return false;
	if (event.keyCode >= 97 && event.keyCode <= 122)
		return false;
	if (event.keyCode == 95)
		return false;

	return true;
}

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) { //v3.0
  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); 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 MM_popupMsg(msg) { //v1.0
  alert(msg);
}

function stopError() {
	return true;
}

//window.onerror = stopError;