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_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_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function MM_callJS(jsStr) { //v2.0
  return eval(jsStr)
}

function MM_displayStatusMsg(msgStr) { //v1.0
  status=msgStr;
  document.MM_returnValue = true;
}

function MM_goToURL() { //v3.0
  var i, args=MM_goToURL.arguments; document.MM_returnValue = false;
  for (i=0; i<(args.length-1); i+=2) eval(args[i]+".location='"+args[i+1]+"'");
}

function MM_findObj(n, d) { //v4.0
  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);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_jumpMenuGo(selName,targ,restore){//v3.0
  var selObj = MM_findObj(selName); if (selObj) MM_jumpMenu(targ,selObj,restore);
}

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function MM_jumpMenuGo(selName,targ,restore){//v3.0
  var selObj = MM_findObj(selName); if (selObj) MM_jumpMenu(targ,selObj,restore);
}

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

// Alex Kirsch ->developer
// Digital MediaVision
// December 12, 2002

function toggleSearch(imageName) {// Purpose: Toggle between searching options
	var btnSRC = document.images[imageName].src; // Grab the SRC reference
	btnSRC = btnSRC.split('/'); // Convert the sting to an array to isolate btn SRC
	var btnLength = btnSRC.length; 
	var btn = btnSRC[btnLength - 1]; // Identify the btn gif src that is being clicked 
	var on = 'checkbox_on.gif';
	var off = 'checkbox_off.gif';
	HWYLTS = ['author', 'isbn', 'title', 'searchAll']; // How would you like to search? Option Array
	
	switch (imageName){
	
		// If ALL TITLES btn is selected
		// ALL TITLES btn is SELECTED by DEFAULT
		case 'allTitles':
		if (btn == on) {// toggles off ALL TITLES btn
		document.images[imageName].src = '/images/forms/checkbox_off.gif';
		document.images['bkCompanion'].src = '/images/forms/checkbox_on.gif';
		}else{
		document.images[imageName].src = '/images/forms/checkbox_on.gif';
		document.images['bkCompanion'].src = '/images/forms/checkbox_off.gif';
		}
		break;
		
		// if BOOK COMPANION btn is selected
		case 'bkCompanion':
		if (btn == off) {
		document.images[imageName].src = '/images/forms/checkbox_on.gif';
		document.images['allTitles'].src = '/images/forms/checkbox_off.gif';
		}else{
		document.images[imageName].src = '/images/forms/checkbox_off.gif';
		document.images['allTitles'].src = '/images/forms/checkbox_on.gif';
		}
		break;
		
		// if CURRENT DISCIPLINE btn is selected
		// CURRENT DISCIPLIE is SELECTED by DEFAULT
		case 'currentDiscipline':
		if (btn == off) {
		document.images[imageName].src = '/images/forms/checkbox_on.gif';
		document.images['allDisciplines'].src = '/images/forms/checkbox_off.gif';
		}else{
		document.images[imageName].src = '/images/forms/checkbox_off.gif';
		document.images['allDisciplines'].src = '/images/forms/checkbox_on.gif';
		}
		break;
		
		// if ALL DISCIPLINES btn is selected
		case 'allDisciplines':
		if (btn == on) {
		document.images[imageName].src = '/images/forms/checkbox_off.gif';
		document.images['currentDiscipline'].src = '/images/forms/checkbox_on.gif';
		}else{
		document.images[imageName].src = '/images/forms/checkbox_on.gif';
		document.images['currentDiscipline'].src = '/images/forms/checkbox_off.gif';
		}
		break;
		
		// if SEARCH ALL btn is selected
		// SEARCH ALL is SELECTED by DEFAULT
		case 'searchAll':
		if (btn == off) {
		document.images[imageName].src = '/images/forms/checkbox_on.gif';
			// Turn off all the other btns except the one selected
			for (i=0; i < HWYLTS.length ; i++) {
				if (HWYLTS[i] != imageName) {
				document.images[HWYLTS[i]].src = '/images/forms/checkbox_off.gif';
				}
			}
		}else{
		document.images[imageName].src = '/images/forms/checkbox_off.gif';
		}
		break;
		
		// if AUTHOR btn is selected
		case 'author':
		if (btn == off) {
		document.images[imageName].src = '/images/forms/checkbox_on.gif';
			// Turn off all the other btns except the one selected
			for (i=0; i < HWYLTS.length ; i++) {
				if (HWYLTS[i] != imageName) {
				document.images[HWYLTS[i]].src = '/images/forms/checkbox_off.gif';
				}
			}
		}else{
		document.images[imageName].src = '/images/forms/checkbox_off.gif';
		}
		break;
		
		// if TITLE btn is selected
		case 'title':
		if (btn == off) {
		document.images[imageName].src = '/images/forms/checkbox_on.gif';
			// Turn off all the other btns except the one selected
			for (i=0; i < HWYLTS.length ; i++) {
				if (HWYLTS[i] != imageName) {
				document.images[HWYLTS[i]].src = '/images/forms/checkbox_off.gif';
				}
			}
		}else{
		document.images[imageName].src = '/images/forms/checkbox_off.gif';
		}
		break;
		
		// if ISBN btn is selected
		case 'isbn':
		if (btn == off) {
		document.images[imageName].src = '/images/forms/checkbox_on.gif';
			// Turn off all the other btns except the one selected
			for (i=0; i < HWYLTS.length ; i++) {
				if (HWYLTS[i] != imageName) {
				document.images[HWYLTS[i]].src = '/images/forms/checkbox_off.gif';
				}
			}
		}else{
		document.images[imageName].src = '/images/forms/checkbox_off.gif';
		}
		break;
	}

}

function gotomail_URL() {
	var subscription_option = document.myform.subscription_option.options[document.myform.subscription_option.selectedIndex].value;
	var email_address =   document.myform.email_address.value;
	if( email_address == ''){
		alert ("Please enter an email address");
		return false;
	}
	var server_name = "<TMPL_VAR NAME=server_name>";
	var action = "<TMPL_VAR NAME=action>";
	var before_question_mark = "http://"+server_name+action;
	var after_question_mark = "fid=M53&discipline_number=<TMPL_VAR NAME=discipline_number>&subscription_option="+subscription_option+"&email_address="+email_address;
	var theURL = before_question_mark+"?"+after_question_mark;
	var features = 'menubar=yes,scrollbars=yes,resizable=yes,width=620,height=500';
	bud = window.open(theURL,"popit3",features);
	bud.focus();
	}