// stdinclude.js



// Global Variables

paramString = window.location.search;



// functions to handle parameters

function getParamVal(){

	// NOTE: This routine will not work correctly for

	// cases where a paramString contains more than

	// one name=value item for the SAME name. This routine

	// will return only the first instance. On the other hand,

	// if the paramString contains 'nam1=val1,val2&nam2=val2'

	// getParamVal('nam1') will return the value 'val1,val2'.

 	// Treat the search string as case insensitive, but

	// return the value in the original case, of course.

	var pString;

	var pName;

 	if (arguments.length < 1) { return null; }

 	else if (arguments.length == 1) {

 		pString = paramString;

 		if (pString == null) { return null;}

 		pName = arguments[0];

 	}

 	else {

 		pString = arguments[0]; pName = arguments[1];

 	}



 	var pStringU = pString.toUpperCase();

 	var pNameU = pName.toUpperCase();

 	var pNameLoc = pStringU.indexOf(pNameU);

 	if (pNameLoc == -1) {

 		return (null);

 	}

 	else {

 		var nxtPLoc = pStringU.indexOf('&',pNameLoc+1);

 		if (nxtPLoc == -1) {

 			nxtPLoc = pStringU.length ;

       		}

 		var pValLoc = pStringU.indexOf('=',pNameLoc+1);

		if (pValLoc == -1) {return null;}

		return (pString.substring(pValLoc+1,nxtPLoc));

 	}

}

function replace(inStr, oldStr, newStr){

	// replace all occurences of oldStr in inStr with newStr

	// return result unless some bad parameters in which case return inStr

	var retStr='';

	var start=-1;

	var len=0;

	if (newStr == null) { newStr = ''; }

	if (inStr == null || oldStr == null || (start=inStr.indexOf(oldStr))==-1) {

		return inStr ;

	}

	len=oldStr.length;

	// grab first part of inStr

	retStr = inStr.substring(0,start);

	// add the replacement string

	retStr += newStr;

	var oldstart=start;

	while ((start=inStr.indexOf(oldStr,oldstart+1)) != -1){

		// grab next segment of inStr

		retStr += inStr.substring(oldstart+len,start);

		// add the replacement string

		retStr += newStr;

		// prepare for loop

		oldstart=start;

	}

	if (inStr.length > (oldstart+len)) {

		// we didn't end with oldStr

		retStr += inStr.substring(oldstart+len);

	}

	return retStr;

}



function packFields(formObj){

	// take all form fields and return them as a single string with name=value pairs

	// note that the returned string has NOT been url encoded! since quotes have not been escaped

	// be careful about tossing into a javascript variable!

	var retStr="";

	var tmp=null;

	for (var i=0;i<formObj.elements.length;i++){

		if ((tmp=fieldType(formObj.elements[i])) != null) {

			// add ampersand on later iterations only

			if (retStr != "") { retStr +="&" ; }

			retStr += formObj.elements[i].name + "=" ;

			if (tmp.toLowerCase() == 'text') {

				retStr += getTextVal(formObj.elements[i]) ;

			}

			else if (tmp.toLowerCase() == 'hidden') {

				retStr += getTextVal(formObj.elements[i]) ;

			}

			else if (tmp.toLowerCase() == 'textarea') {

				retStr += getTextVal(formObj.elements[i]) ;

			}

			else if (tmp.toLowerCase() == 'radio') {

				retStr += getRadioVal(formObj.elements[i]) ;

			}

			else if (tmp.toLowerCase() == 'checkbox') {

				retStr += getCheckVal(formObj.elements[i]) ;

			}

			else if (tmp.toLowerCase() == 'select-one') {

				retStr += getSelectVal(formObj.elements[i]) ;

			}

			else if (tmp.toLowerCase() == 'select-multiple') {

				retStr += getSelectVal(formObj.elements[i], true) ;

			}

		}

	}

	return retStr ;

}

function fieldType(fObj){

	var retVal = null;

	var validfields = 'textareahiddentextradiocheckboxselect-oneselect-multiple';

	if (fObj != null && validfields.indexOf(fObj.type) >=0) { retVal=fObj.type; }

	return retVal;

}



function getRadioVal(rObj){

	var retVal=null;

	if (rObj!=null){

		for (var i=0; i<rObj.length; i++) {

			if (rObj[i].checked) {

				retVal = rObj[i].value;

				break;

			}

		}

	}

	return retVal;

}

function getCheckVal(cObj){

	// return comma delimited list of check box values

	var retVal=null;

	if (cObj!=null){

		for (var i=0;i<cObj.length;i++){

			if (cObj.checked) {

				retVal += ',' + cObj.value ;

			}

		}

		retVal = retVal.substring(1);

	}

	return retVal;

}

function getSelectVal(sObj){

	// argument[1] is optional "multiselect" boolean flag

	// if true: return comma delimited list of selected values

	// else: return single selected value

	var retVal=null;

	if (sObj!=null && sObj.selectedIndex >= 0){

		if (arguments.length < 2 || arguments[1]==false){

			retVal = sObj.options[sObj.selectedIndex].value;

		}

		else {

			for (var i=0;i<sObj.length;i++){

				if (sObj.options[i].selected) {

					retVal += ',' + sObj.options[i].value ;

				}

			}

			retVal = retVal.substring(1);

		}

	}

	return retVal;

}

function getTextVal(tObj){

	var retVal=null;

	if (tObj!=null){

		retVal = tObj.value;

	}

	return retVal;

}

function quote2bar(instr) {

	var pos = -1;

	var cin = "'"; // replace this

	var cout = "_"; // with this

	if (arguments.length>2){

		cin=arguments[1]; // or replce this

		cout=arguments[2]; // with this

	}

	var temp = "" + instr; // temporary holder



	while (temp.indexOf(cin)>-1) {

		pos= temp.indexOf(cin);

		temp = "" + (temp.substring(0, pos) + cout + temp.substring((pos + cin.length), temp.length));

	}

	return (temp);

}

function escapeQuote(inStr){

	return replace(inStr,"'","\\'");

}

function escapeDQuote(inStr){

	return replace(inStr,'"','\\"');

}

function unescapeQuote(inStr){

	// be careful what you do with the returned value!

	// it has a single quote in it!

	return replace(inStr,"\\'","'");

}

function unescapeDQuote(inStr){

	// be careful what you do with the returned value!

	// it has a single quote in it!

	return replace(inStr,'\\"','"');

}

function urlEncode(inStr){

	return inStr;

}

function urlDecode(inStr){

	return inStr;

}

function trim(inStr){

	if (inStr==null) { return null;}

	var retStr="";

	// trim the leading spaces

	for (var i=0;i<inStr.length;i++){

		if (inStr.charAt(i) != " " ) { break;}

		else { continue; }

	}

	if (i==inStr.length) { return null; }

	retStr = inStr.substring(i);

	// optimize usual case

	if (retStr.charAt(retStr.length-1)!=" "){

		return retStr;

	}



	// trim the trailing spaces

	for (var i=(inStr.length-1);i>0;i--){

		if (inStr.charAt(i) != " " ) { break;}

		else { continue; }

	}

	return (retStr.substring(0,i+1));

}

// can be used to validate certain form inputs

// these are VERY weak tests!!

function hasEmailAddress(inStr){

	var retVal=true;

	if (inStr == null || inStr.indexOf('@')==-1 || inStr.indexOf('.')==-1) {

		if (arguments.length==0 || arguments[0]!='silent') {

			alert('Please enter the missing Email address.');

		}

	   	retVal = false;

	}

	return retVal;

}

function hasName(inStr){

	var alphabet="abcdefghijklmnopqrstuvwxyz0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";

	var retVal=false;

	var i=0;

	while (inStr != null && i<inStr.length){

		if (alphabet.indexOf(inStr.charAt(i++))!= -1) {

			// something was entered

			retVal= true;

			break;

		}

	}

	if (retVal==false) {

		alert('Please enter your name.');

	}

	return retVal;

}



function okclient(){

	// support IE 5.5+ on PC and Mac

	// support NS 6.0+ on Mac only

	// ADD SOMETHING FOR AOL SUPPORT?

	// no others supported

	// if MJLUserCheck cookie exists, return true

	// we rely on routines in user.js

	var MJLUserCheck = getCookie("JBUserCheck");

	if (MJLUserCheck!=null){ return true; }

	setCookie("JBUserCheck","true");

	if (ie55up()) { return true; }

	else if (mac() && ns6up()) { return true;}

	else { return false;}

}

function mac(){

	// detect MAC platform

	if (navigator.platform.indexOf('Mac') != -1){

		return true;

	}

	else {

		return false;

	}

}

function aol(){

	var agt = navigator.userAgent.toLowerCase();

	if (agt.indexOf('aol') == -1) { return false; }

	else { return  true; }

}

function ns6up(){

	//detect Netscape 6.0

	if (navigator.appName=="Netscape"&&parseFloat(navigator.appVersion)>=5.0){

		return true;

	}

	else {

		return false;

	}

}

function ie55up(){

	//Detect IE5.5+

	var version=0;

	if (navigator.appVersion.indexOf("MSIE")!=-1){

		var temp=navigator.appVersion.split("MSIE");

		version=parseFloat(temp[1]);

	}

	//Note: NON IE browser has version==0

	if (version>=5.5) {

		return true;

	}

	else {

		return false;

	}

}

// general function to open new window

function openwin(u,w,p){

	if (u==null) { return ;}

	if (w == null) { w="POPWIN" ;}

	if (p == null) {

		p="height=600,width=750,directories=no,resizable=yes,scrollbars=yes,toolbar=no,menubar=no,status=no,location=no";

	}

	var newwin = window.open(u, w, p);

}



function getPrnFile () {

	var thisURL = document.URL;

	var i = thisURL.indexOf('.ht');

	var prnURL = thisURL.substring( 0, i ) + '_Prn' + thisURL.substring(i, thisURL.length);

	return prnURL;

}



function printarticle2(){

    	if (typeof(printerfile)=='undefined' || printerfile==null) {

		window.print();

	}

	else {

		var locStr = printerfile ;

		var winprops="height=600,width=750,directories=no,resizable=yes,scrollbars=yes,toolbar=yes,menubar=no,status=no,location=no";

		var newwin = window.open(locStr, "PRINTARTWIN", winprops);

	}



	//window.print();

}



function findsimilar(){

	var win=null;

	var fsLimit=4;



    //alert('in fs');



	//var locStr = '/find/find_similar.html?docownid=' + thisTopicId + '&docname=' + thisTopicName + '&fs=' +

	//    findSimilar.replace("&#039;","\'") + '&targetwin=self&limits='+fsLimit+'' ;

    var locStr = 'http://www.jbooks.com:8080/find/find_similar.html?docownid=' + thisTopicId.replace("&#039;","\'") + '&docname=' + thisTopicName.replace("&#039;","\'") + '&fs=' +

	    findSimilar.replace("&#039;","\'") + '&targetwin=self&limits='+fsLimit+'' ;

	//var locStr = '/fs/findsimilar.jsp?docownid=' + thisTopicId + '&docname=' + thisTopicName + '&fs=' +

	//    findSimilar.replace("&#039;","\'") + '&targetwin=self&limits='+fsLimit+'' ;



    //alert("locStr: " + locStr);





	//alert("locStr = " + locStr);



	win = window.open(locStr,"FindSimilar", "height=500,width=550,directories=no,resizable=yes,scrollbars=yes,toolbar=no,menubar=no,status=no,location=no");

}



function gokey(){



    var kw = replace(window.document.form1.keyword.value, "\"","");

    kw = replace(window.document.form1.keyword.value, "'","");

    if (trim(kw) == "") alert("Please enter Key Word(s).");

    else

    win = window.open("/fs/searchkey.jsp?kw=" + kw, "Key", "menubar=mo,toolbar=no,scrollbars,resizable=no,height=500,width=500")

}

function surfto(form) {

         var myindex=form.dest.selectedIndex;

         location=form.dest.options[myindex].value;

}