/**
* These Javascript functions drives many of the main abstract functions.
*
* Page assembled by C. West 10/24/07
*
*/
 
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];}
}
function MM_showHideLayers() { //v9.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3)
  with (document) if (getElementById && ((obj=getElementById(args[i]))!=null)) { v=args[i+2];
    if (obj.style)
    {
		obj=obj.style;v=(v=='show')?'visible':(v=='hide')?'hidden':v;
	}
    obj.visibility=v;
    obj.display='inline';
    }
}


function MM_showHideLayers3() { //v9.0
  var i,p,v,obj,args=MM_showHideLayers3.arguments;
  for (i=0; i<(args.length-2); i+=3)
  with (document) if (getElementById && ((obj=getElementById(args[i]))!=null)) { v=args[i+2];
    if (obj.style)
    {
		obj=obj.style;v=(v=='show')?'inline':(v=='hide')?'none':v;
	}
    //obj.visibility=v;
    obj.display=v;
    }
}



function MM_changeProp(objId,x,theProp,theValue) { //v9.0
  var obj = null; with (document){ if (getElementById)
  obj = getElementById(objId); }
  if (obj){
    if (theValue == true || theValue == false)
      eval("obj.style."+theProp+"="+theValue);
    else eval("obj.style."+theProp+"='"+theValue+"'");
  }
}

if (navigator.appName == "Microsoft Internet Explorer")
{ } else {
MM_changeProp('absleft','','margin-right','420','DIV')
}




function simple_actionSubmitA()
{
	  var bname = navigator.appVersion;
	  if (bname.indexOf("Safari")<0)
	  {
		  document.myforma.target='_blank'
	  }
	  document.myforma.submit();
	  return false;
}


function simple_actionDeterminatorA()
{

	  if(document.myforma.fn.value == ""){
			alert ("Please select an Article Option");
			return false;
	  } else if(document.myforma.fn.options[0].selected == true ) {
			document.myforma.target = "Scitation";
			myArt=window.open('','Scitation','height=600,width=660,scrollbars=yes,resizable=yes,top=30,left=150');
			myArt.focus();
			document.myforma.submit();
			return true;
	  }

	  var bname = navigator.appVersion;
	  if (bname.indexOf("Safari")<0)
	  {
	  	document.myforma.target='_blank'
	  }
	  document.myforma.submit();
	  return false;
}

function simple_actionDeterminatorB()
{

	  if(document.myformb.fn.value == ""){
			alert ("Please select an Article Option");
			return false;
	  }
	  
	  var bname = navigator.appVersion;
	  if (bname.indexOf("Safari")<0)
	  {
		  document.myformb.target='_blank'
	  }
	  document.myformb.submit();
	  return false;
}


function simple_actionDeterminatorC()
{

	  if(document.myformc.fn.value == ""){
			alert ("Please select an Article Option");
			return false;
	  }
	  if(document.myformc.fn.value == "view_coins"){
			var cvips = document.myformc.SelectCheck.value;
			var directurl = "/journals/help_system/getabs/actions/viewCOinS.jsp?cvips=" + cvips;
			myArt=window.open(directurl,'COinS','height=600,width=700,scrollbars=yes,resizable=yes,top=30,left=150');
			myArt.focus();
			return false;
	  }
	  
	  var bname = navigator.appVersion;
	  if (bname.indexOf("Safari")<0)
	  {
		  document.myformc.target='_blank'
	  }
	  document.myformc.submit();
	  return false;
}



function howManyChecked(whichForm,whichCheckBoxArray,myMax,myMin)
{
	document.myform.action = '/getabs/servlet/GetCitation';
	var _countChecked = 0;
	var err = 0;
	/* iterate through all the elements in the checkbox array */
	for(i=0;i<document[whichForm][whichCheckBoxArray].length;i++)
	{
		/* and check to see if each is checked */
		if(document[whichForm][whichCheckBoxArray][i].checked==true)
			/* if it is, increment a counter */
			{ _countChecked++; }
	}

	/* in case there is only 1 checkbox */
	var docLength = eval("document."+[whichForm]+"."+[whichCheckBoxArray]+".length");
	if (typeof docLength == 'undefined') {
		if (eval("document."+[whichForm]+"."+[whichCheckBoxArray]+".checked")) {
			_countChecked = 1;
			//alert(_countChecked)
		}
	}
	
	
	
	
	
	/* is the count too high? */
	if(_countChecked > myMax)
		{ alert('You have selected '+ _countChecked + ' articles.  Please select no more than '+myMax+ ' articles at a time.');
			err = 1;}
	/* of is the count too low */
	else if(_countChecked < myMin)
		{ alert('You must select at least '+myMin+' article.');
			err = 1;}
	if (err == 1) { return false; }


	
	if( (document.myform.fn.value == "" ) || (document.myform.fn.value == "multi" ) ){
	alert ("Please select an Article Option");
	return false;
	} 
	
	
	
	if(document.myform.fn.options[3].selected == true ) {

	document.myform.action = '/myscitation/addToMyArticles-submit.do';
	
	document.myform.target = "Scitation";
	myArt=window.open('','Scitation','height=600,width=660,scrollbars=yes,resizable=yes,top=50,left=50,toolbar=yes,location=yes,menubar=yes');
	myArt.focus(); 
	document.myform.submit();
	
	return false;
	}
	
	
	var bname = navigator.appVersion;
	if (bname.indexOf("Safari")<0)
	{
		document.myform.target='_blank'
	}
	document.myform.submit();
	return false;
	

}

function PrintPage(){

if (window.print) {  window.focus(); window.print(); }
else {  alert('This script does not work in your browser');  }
//history.back();
//return false;
}


function opacity(id, opacStart, opacEnd, millisec) {
    //speed for each frame
    var speed = Math.round(millisec / 100);
    var timer = 0;

    //determine the direction for the blending, if start and end are the same nothing happens
    if(opacStart > opacEnd) {
        for(i = opacStart; i >= opacEnd; i--) {
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
            timer++;
        }
        
        
    } else if(opacStart < opacEnd) {
        for(i = opacStart; i <= opacEnd; i++)
            {
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
            timer++;
        }
    }
}

//change the opacity for different browsers
function changeOpac(opacity, id) {
    var object = document.getElementById(id).style;
    object.opacity = (opacity / 100);
    object.MozOpacity = (opacity / 100);
    object.KhtmlOpacity = (opacity / 100);
    object.filter = "alpha(opacity=" + opacity + ")";
} 




function load_focus_window(pagetoLoad)
{

	rewritePageElement(pagetoLoad, '', 'popup_viewingpane', '');
	
	MM_showHideLayers('popup_backdrop','','show');
	opacity('popup_backdrop', 0,50, 200);
	
	MM_showHideLayers('popup_viewingpane','','show');
	opacity('popup_viewingpane', 0,100, 200);
	
	
}

function close_focus_window()
{
	opacity('popup_backdrop', 50,0, 100);
	setTimeout('MM_showHideLayers(\'popup_backdrop\',\'\',\'hide\')',300);
	
	opacity('popup_viewingpane', 100,0, 200);
	setTimeout('MM_showHideLayers(\'popup_viewingpane\',\'\',\'hide\')',200);
	
	rewritePageElement('/journals/help_system/getabs/actions/loading.jsp', '', 'popup_viewingpane', '');
}

function clickAbstract(citid) {

	document.getElementById("abs_sci").style.backgroundColor = "#f8f8f8";
	document.getElementById("abs_cross").style.backgroundColor = "#f8f8f8";
	document.getElementById("abs_all").style.backgroundColor = "#f8f8f8";
	document.getElementById(citid).style.backgroundColor = "#e9e9e9";
}

function clickHomeTab(citid) {

	if (document.getElementById("tab1"))
	{
		document.getElementById("tab1").className = "nav_unselected";
	}
	if (document.getElementById("tab2"))
	{
		document.getElementById("tab2").className = "nav_unselected";
	}
	if (document.getElementById("tab3"))
	{
		document.getElementById("tab3").className = "nav_unselected";
	}
	document.getElementById(citid).className = "nav_selected";
}

function setActiveStyleSheet(title) {
   var i, a, main;
   for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
     if(a.getAttribute("rel").indexOf("style") != -1
        && a.getAttribute("title")) {
       a.disabled = true;
       if(a.getAttribute("title") == title) a.disabled = false;
     }
   }
}


function keyclosewindow(e) 
{
	if (e.keyCode==27) 
	{
		close_focus_window();
	}
}


function addOpenSearch(name,ext,cat,pid,meth)
{
  if ((typeof window.external == "object") && ((typeof window.external.AddSearchProvider == "unknown") || (typeof window.external.AddSearchProvider == "function"))) {
    if ((typeof window.external.AddSearchProvider == "unknown") && meth == "p") {
      alert("This plugin uses POST which is not currently supported by Internet Explorer's implementation of OpenSearch.");
    } else {
      window.external.AddSearchProvider(
        "http://mycroft.mozdev.org/installos.php/" + pid + "/" + name + ".xml");
    }
  } else {
    alert("You will need a browser which supports OpenSearch to install this plugin.");
  }
}

function open_printversion(url)
{
	window.open(url,'_blank','width=800,height=900,status=1,scrollbars=1,resizable=1');
}


/* 	
------------------------------------------------------
XSLT AJAX loading scripts
------------------------------------------------------ 
*/

function loadXMLDoc(fname)
{
	var xmlDoc;
	// code for IE
	if (window.ActiveXObject)
	{
		xmlDoc=new ActiveXObject("Microsoft.XMLDOM");
	}
	// code for Mozilla, Firefox, Opera, etc.
	else if (document.implementation && document.implementation.createDocument)
	{
		xmlDoc=document.implementation.createDocument("","",null);
	}
	else
	{
		alert('Your browser cannot handle this script');
	}
	xmlDoc.async=false;
	xmlDoc.load(fname);
	return(xmlDoc);
}

function XMLdisplayResult(XMLfilename, XLSfilename, divname)
{
	xml=loadXMLDoc(XMLfilename);
	xsl=loadXMLDoc(XLSfilename);
	// code for IE
	if (window.ActiveXObject)
	{
		ex=xml.transformNode(xsl);
		document.getElementById(divname).innerHTML=ex;
	}
	// code for Mozilla, Firefox, Opera, etc.
	else if (document.implementation && document.implementation.createDocument)
	{
		xsltProcessor=new XSLTProcessor();
		xsltProcessor.importStylesheet(xsl);
		resultDocument = xsltProcessor.transformToFragment(xml,document);
		//alert(resultDocument);
		//document.getElementById(divname).innerHTML='<div>' + resultDocument + '</div>';
		document.getElementById(divname).appendChild(resultDocument);
	}
}

function RSSfromXMLdisplayResult(XMLfilename, XLSfilename)
{
	xml=loadXMLDoc(XMLfilename);
	xsl=loadXMLDoc(XLSfilename);
	// code for IE
	if (window.ActiveXObject)
	{
		ex=xml.transformNode(xsl);
		document.write(ex);
	}
	// code for Mozilla, Firefox, Opera, etc.
	else if (document.implementation && document.implementation.createDocument)
	{
		xsltProcessor=new XSLTProcessor();
		xsltProcessor.importStylesheet(xsl);
		resultDocument = xsltProcessor.transformToFragment(xml,document);
		document.write(resultDocument);
	}
}

function renderNewsXML(filename, postid, showimages, count)

{

	$.ajax({

	    type: "GET",

	    url: filename,

	    dataType: "xml",

	    success: function(xml) {
	    $(postid).html("");
		var builddom = "";
		if (count=="" || count==null) { count = 10; }
		$(xml).find('news').each(function(){
			if (count > 0)
			{
			    var date_text = $(this).find('date').text();

				var title_text = $(this).find('title').text();
				var image_text = $(this).find('image').text();

				var imagesource_text = $(this).find('image-source').text();

				var url_text = $(this).find('url').text();
				builddom += "<div class=\"newsview_listing\">";
				if (image_text!="" && showimages) { builddom += "<div class=\"imagedisplay\"><img src=\"/journals/doc/VIRTDL-home/resources/news_images/"+image_text+"\"/><br/>"+imagesource_text+"</div>"; }
				builddom += "<div class=\"linkdisplay\"><a href=\""+url_text+"\">" + title_text + "</a></div></div>";
				count--;
			}
			
			}); //close each(
			$(postid).html(builddom);

	    }

	}); //close $.ajax

}



function renderAnnounceXML(filename, postid, count)

{



	$.ajax({

	    type: "GET",

	    url: filename,

	    dataType: "xml",

	    success: function(xml) {
	   	var builddom = "";
	   	if (count=="" || count==null) { count = 100; }
		$(xml).find('announcement').each(function(){
			if (count > 0)
			{

			    var date_text = $(this).find('date').text();

			    var location_text = $(this).find('location').text();

				var title_text = $(this).find('title').text();
				var url_text = $(this).find('url').text();

			    builddom+="<div class=\"newsview_listing\"><a href=\""+url_text+"\">" + title_text + "</a><br/>";
			    if (location_text!="") { builddom+="<em>"+location_text; }
			    if (date_text!="") { builddom+=" - " + date_text + "</em>"; }
			    builddom+="</div>";
			    count--;
			}
			    

		}); //close each(
		$(postid).html(builddom);





	    }

	}); //close $.ajax

	

}


function FrontPage_Form1_Validator(theForm)

{

  if (theForm.s.value == "")

  {

    alert("Please enter a value for the \"e-mail\" field.");

    theForm.s.focus();

    return (false);

  }

  var checkOK = "@";

  var checkStr = theForm.s.value;

  var atFound = false;

  for (i = 0;  i < checkStr.length;  i++)

  {

    ch = checkStr.charAt(i);

    if (ch == "@"){atFound=1;break;}

  }

  if (!atFound)

  {

    alert("Please enter valid email address in the \"email \" field.");

    theForm.s.focus();

    return (false);

  }

}

function formcheck()

{

	var sender = document.submitfeedback.sendername.value;

	var email = document.submitfeedback.senderemail.value;

	var comm = document.submitfeedback.comments.value;

	var valid = document.submitfeedback.validatesubmission.value;

	if ((sender == null) || (sender == "")) {

		alert("Please enter your name.");

		return false;

	}

	if ((email == null) || (email== "")) {

		alert("Please enter your email address.");

		return false;

	}

	if ((email.indexOf(".") < 0) || (email.indexOf("@") < 0)) {

		alert("Please enter a valid email address.");

		return false;

	}

	if ((comm == null) || (comm == "")) {

		alert("Please enter your question and/or comments.");

		return false;

	}

	if ((valid == null) || (valid == "")) {

		alert("Please enter the validation code.");

		return false;

	}

return true;

}