function gotopage_new(url, new_direction, nextPageFromUrl, lastPageDiffBetweenToFrom, indexToShow)
  { 
  	if (new_direction == '+') {
      	document.form1.NEXT_PAGE.value = parseInt(document.form1.NEXT_PAGE.value) + 1;
      	url = url+"?NEXT_PAGE="+document.form1.NEXT_PAGE.value;
      }
      if (new_direction == '-') {
      	document.form1.NEXT_PAGE.value = parseInt(document.form1.NEXT_PAGE.value) - 1;
      	url = url+"?NEXT_PAGE="+document.form1.NEXT_PAGE.value;
      }
      if (new_direction == '1') {
  		document.form1.nextPageFromUrl.value = nextPageFromUrl
  		document.form1.NEXT_PAGE.value = parseInt(document.form1.nextPageFromUrl.value);
  		url = url+"?NEXT_PAGE="+parseInt(document.form1.nextPageFromUrl.value)+"&nextPageFromUrl="+document.form1.nextPageFromUrl.value;
      }
      if (new_direction == '9') {
  	document.form1.lastPageDiffBetweenToFrom.value = lastPageDiffBetweenToFrom         
      	document.form1.NEXT_PAGE.value = parseInt(document.form1.lastPageDiffBetweenToFrom.value);
      	url = url+"?NEXT_PAGE="+parseInt(document.form1.lastPageDiffBetweenToFrom.value)+"&lastPageDiffBetweenToFrom="+document.form1.lastPageDiffBetweenToFrom.value;
      }
      url = url+"&indexToShow="+indexToShow
      callServer(url, "AJAXpdfviewer");
  }
function enlargeWindow(url)
{
	document.form1.action = url;
	document.getElementById("form1").submit();
}
function itemSelectChanged(obj, indexToShow, url) 
{
	var item = "";
	for (var i=0; i<obj.options.length; i++) {
		var o = obj.options[i];
		if (o.selected==true) {
			indexToShow.value = i + 1;
			item = i + 1;
			itemToShowURL = o.value;
			break;
		}	
	}
	itemToShowURL = itemToShowURL.replace(/\?/gi, '$').replace(/\&/gi, '@');
	url = url+"?itemToShow="+itemToShowURL+"&indexToShow="+item;
	callServer(url, "AJAXpdfviewer")
}
function num_val(event) 
{
	// Compatibility IE / Firefox
	if(!event&&window.event) {
		event=window.event;
	}
    if (event.keyCode == 13) {
        document.form1.submit();
	}
	// IE
	if(event.keyCode < 48 || event.keyCode > 57) {
		event.returnValue = false;
		event.cancelBubble = true;
	}
	// DOM
	if(event.which < 48 || event.which > 57) {
		event.preventDefault();
		event.stopPropagation();
	}
}