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 if (frontURL.split("us.elsevierhealth.com")[0] == "http://www."
  || frontURL.split("harcourthealth")[0] == "http://www."
  || (frontURL.split("mosby")[0] == "http://www." && frontURL.split("mosby")[1] == -1)
  || frontURL.split("wbsaunders")[0] == "http://www.")
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  || frontURL.split("mosbysdrugconsult")[0] == "http://www.")
      { linkURL = "http://www.us.elsevierhealth.com"; contentURL = ""; } //use both relative and non
 else { linkURL = "http://www.us.elsevierhealth.com"; contentURL = linkURL; }//www.harcourthealth.com
 linkURL = linkURL.split("www1").join("www");
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  //Code to check browser (see browsercheck.js)
NS = (navigator.appName == "Netscape");
IE = (navigator.appName == "Microsoft Internet Explorer");

  //see NS code at http://www.mozilla.org/docs/web-developer/sniffer/browser_type.html
var agt=navigator.appVersion.toLowerCase();
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if (agt.indexOf("msie ") != -1) { ver = parseInt(agt.split("msie ")[1]); }
if (agt.indexOf("mac") != -1) { var OS = "M"; }
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if (NS && ver == 4) {
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else if (NS && ver == 5) { frontURL(); document.write('<link rel="stylesheet" href="' + contentURL + '/HS/HHSns6.css"/>'); }
else if (IE && ver == 4) { frontURL(); document.write('<link rel="stylesheet" href="' + contentURL + '/HS/HHSie4.css"/>'); }
else if (IE && ver == 5 && OS == "M") { frontURL(); document.write('<link rel="stylesheet" href="' + contentURL + '/HS/HHSie5M.css"/>'); }
else if (IE && (ver == 5)) { frontURL(); document.write('<link rel="stylesheet" href="' + contentURL + '/HS/HHSie5.css"/>'); }
else if (IE && (ver == 6)) { frontURL(); document.write('<link rel="stylesheet" href="' + contentURL + '/HS/HHSie6.css"/>'); } //closer, but not quite done yet
else { frontURL(); } //So everything has frontURL's variables available


function HHSheader() {
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} //end HHSheader()

function HHSAbsheader() {
 HHSheader();
} //end HHSheader()

function CLheader() {
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} //end CLheader()

function Mosbyheader() {
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} //end Mosbyheader()

function MosbyAbsheader() {
 Mosbyheader();
} //end Mosbyheader()

function WBSheader() {
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} //end WBSheader()

function WBSAbsheader() {
 Standardheader()
} //end WBSheader()

function IMNGheader() {
 
} //end IMNGheader()


	//This is the actual header used on all EHS.com pages
function Standardheader() {
  //NS4 on servers other than where headerfooter is hosted bizarrely omits anything on page after <DIV> if included
 if(!NS || ver != 4) { divstyle = 'style="text-align:left;margin-bottom:2px;"'; }
 else { divstyle = ''; }
 document.writeln('<div ' + divstyle + ' class="fullsize">' +
 '<a href="' + linkURL + '/" target="_top"\n' +
 ' title="Elsevier: Saunders, Mosby, Churchill Livingstone, Butterworth-Heinemann">' +
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var copyrightYear = "2010"; //default copyright year for all products

	//Used for copyright statements without Standardfooter();
function Basicfooter(Imprint,Year,Type) {
 if(!Year) { var Year = copyrightYear; }
 if (Imprint == 'MKP') {
  document.writeln('<p class="copy" title="MKP">&copy; ' + Year + ', Elsevier Science (USA) | <a href="http://www.elsevier.com" target="_top">www.elsevier.com');
 } else {
  document.writeln('<p class="copy" title="Elsevier"><a href="' + linkURL + '/AboutUs/copyright.jsp" target="_top">Copyright</a> &copy; '+ Year + ' ');
  if (Imprint == 'WBS' || Imprint == 'Saunders')
   { document.writeln('Saunders, an imprint of '); } //http://www.wbsaunders.com/
  else if (Imprint == 'CL' || Imprint == 'CLUS' ||Imprint == 'Churchill Livingstone')
   { document.writeln('Churchill Livingstone, an imprint of '); } //http://www.churchillus.com/
  else if (Imprint == 'Mosby')
   { document.writeln('Mosby, an imprint of '); } //http://www.mosby.com/
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  { destination.writeln('Elsevier GmbH, M&uuml;nchen. Alle Rechte vorbehalten. Lesen Sie unsere Allgemeinen Gesch&auml;ftsbedingungen und die Datenschutzrichtlinien.'); }
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  { destination.writeln('Bailliere Tindall, an imprint of '); }
   
beginCorporate = '<A HREF="http://www.elsevier.com/" TARGET="elsevier" ONCLICK="popup(this,\'Evolveoffsite\'); return false;">Elsevier';
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 if (Type == 'Evolve') { document.writeln('evolve-feedback@elsevier.com?Subject=Evolve website concern">evolve-feedback@elsevier.com'); }
  else { document.writeln('EHSwebmaster@elsevier.com?Subject=EHS website concern">Webmaster'); }
 } //END !MKP
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} //end Basicfooter()

function HHSfooter() {
 Standardfooter();
 document.writeln('<p class="copy" title="Elsevier">Copyright &copy; ' + copyrightYear + ' ');
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} //end HHSfooter() 

function HHSMarketingfooter() {
 Marketingfooter();
 document.writeln('<p class="copy" title="Elsevier">Copyright &copy; ' + copyrightYear + ' ');
 document.writeln('<a href="http://www.elsevier.com/" target="_top">Elsevier</a> Inc.');
 document.writeln(' All rights reserved.<br/>');
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} //end HHSfooter()

function CLfooter() {
 Standardfooter();
 document.writeln('<p class="copy" title="Elsevier">Copyright &copy; ' + copyrightYear + ' ');
 document.writeln('Churchill Livingstone');
 document.writeln(', an imprint of <a href="http://www.elsevier.com/" target="_top">Elsevier</a> Ltd.');
 document.writeln(' All rights reserved.<br/>');
 document.writeln('For problems or suggestions regarding this service, please contact: <a href="mailto:EHSwebmaster@elsevier.com?Subject=EHS website concern">Webmaster</a></p>');
} //end CLfooter()

function Mosbyfooter() {
 Standardfooter();
 document.writeln('<p class="copy" title="Elsevier">Copyright &copy; ' + copyrightYear + ' ');
 document.writeln('Mosby');
 document.writeln(', an imprint of <a href="http://www.elsevier.com/" target="_top">Elsevier</a> Inc.');
 document.writeln(' All rights reserved.<br/>');
 document.writeln('For problems or suggestions regarding this service, please contact: <a href="mailto:EHSwebmaster@elsevier.com?Subject=EHS website concern">Webmaster</a></p>');
 } //end Mosbyfooter()

function MosbyRealfooter() {
 Standardfooter();
 document.writeln('<p class="copy" title="Elsevier">Copyright &copy; ' + copyrightYear + ' ');
 document.writeln('Mosby');
 document.writeln(', an imprint of <a href="http://www.elsevier.com/" target="_top">Elsevier</a> Inc.');
 document.writeln(' All rights reserved.<br/>');
 document.writeln('For problems or suggestions regarding this service, please contact: <a href="mailto:EHSwebmaster@elsevier.com?Subject=EHS website concern">Webmaster</a></p>');
 } //end MosbyRealfooter()

function WBSfooter() {
 Standardfooter();
 document.writeln('<p class="copy" title="Elsevier">Copyright &copy; ' + copyrightYear + ' ');
 document.writeln('Saunders');
 document.writeln(', an imprint of <a href="http://www.elsevier.com/" target="_top">Elsevier</a> Inc.');
 document.writeln(' All rights reserved.<br/>');
 document.writeln('For problems or suggestions regarding this service, please contact: <a href="mailto:EHSwebmaster@elsevier.com?Subject=EHS website concern">Webmaster</a></p>');
 } //end WBSfooter()

function MosbyDrugConsultfooter() {
 document.writeln('<P CLASS="copy" TITLE="Elsevier">Mosby Inc. derived items <A HREF="' + linkURL + '/AboutUs/copyright.jsp" TARGET="_blank">copyright</A> &copy; ' + copyrightYear + ' ');
 document.writeln('<A HREF="http://www.mosby.com/" TARGET="_blank">Mosby</A> Inc. ');
 document.writeln(' All rights reserved.</P>');
} //end MosbyDrugConsultfooter()

function IMNGfooter() {
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   if (mysearch[1] == "famprac/") { var bookAbbrev = "qf"; }
   else if (mysearch[1] == "intmed/") { var bookAbbrev = "qm"; }
   else if (mysearch[1] == "obgyn/") { var bookAbbrev = "qo"; }
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   else if (mysearch[1] == "skinaller/") { var bookAbbrev = "qa"; }
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 document.write('<A HREF="http://www.imng.com/scripts/om.dll/serve?web=copyright-imng.html&id='+bookAbbrev+'" TARGET="_top"></A>Copyright &copy; ' + copyrightYear + ' \n');
 document.write('International Medical News Group<A HREF="http://www.imng.com/" TARGET="_top"></A>');
} //end IMNGfooter()

function BHfooter() {
  document.writeln('<DIV CLASS="intro"> ');
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} //end BHfooter()

function APfooter() {
  document.writeln('<DIV CLASS="intro"> ');
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  document.writeln('<A HREF="http://www.academicpress.com" TARGET="_top">www.academicpress.com</A></P> </DIV>');
} //end BHfooter()

function Wongfooter() {
 Standardfooter();
 document.writeln('<P CLASS="copy" TITLE="Wong"><A HREF="' + linkURL + '/AboutUs/copyright.jsp" TARGET="_top">Copyright</A> &copy; ' + copyrightYear + ' ');
 document.writeln('Donna Wong, PhD, RN, PNP, CPN, FAAN.');
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 document.writeln('For problems or suggestions regarding this service, please contact: <A HREF="mailto:EHSwebmaster@elsevier.com?Subject=EHS website concern">EHSwebmaster@elsevier.com</A></P>');
} //end Wongfooter()

function HJCfooter() {
 Standardfooter();
 document.writeln('<P CLASS="copy" TITLE="Hall Johnson Consulting"><A HREF="' + linkURL + '/AboutUs/copyright.jsp" TARGET="_top">Copyright</A> &copy; ' + copyrightYear + ' ');
 document.writeln('<A HREF="http://members.aol.com/suzannehj/hello.htm" TARGET="_top">Hall Johnson Consulting</A>, 9137 W. Ohio Ave., Lakewood, CO 80226.');
 document.writeln(' All rights reserved.<BR>Read our <A HREF="' + linkURL + '/AboutUs/copyright.jsp#terms" TARGET="_top" CLASS="off">Terms and Agreements of Use</A> and our <A HREF="' + linkURL + '/AboutUs/copyright.jsp#Privacy" TARGET="_top">Privacy Policy</A>.<BR>');
 document.writeln('For problems or suggestions regarding this service, please contact: <A HREF="mailto:EHSwebmaster@elsevier.com?Subject=EHS website concern">EHSwebmaster@elsevier.com</A></P>');

} //end HJCfooter()


	//This creates a toolbar at the bottom of every page
function Standardfooter() {
 document.writeln('<p class="groupbox" align="CENTER" title="Standardfooter"><nobr><span class="sm"><a href="' + linkURL +
  '/" target="_top">Home</a> | <a href="' + linkURL +
  '/AboutUs/terms_conditions.jsp" target="_top">Terms and Conditions</a> | <a href="' + linkURL +
  '/AboutUs/privacy.jsp" target="_top">Privacy Policy</a> | <a href="' + linkURL +
  '/search.jsp" target="_top">Advanced Search</a> | <a href="' + linkURL +
  '/viewcart.jsp" target="_top">Shopping Cart</a> | <a href="' + linkURL +
  '/article.jsp?pageid=381" target="_top">Help</a> | <a href="' + linkURL +
  '/sitemap.jsp" target="_top">Site Map</a></span></nobr></p>');
}

function Marketingfooter() {
 document.writeln('<p align="CENTER" title="Standardfooter"><nobr><span class="sm"><a href="' + linkURL +
  '/" target="_top">Home</a> | <a href="' + linkURL +
  '/AboutUs/terms_conditions.jsp" target="_top">Terms and Conditions</a> | <a href="' + linkURL +
  '/AboutUs/privacy.jsp" target="_top">Privacy Policy</a> | <a href="' + linkURL +
  '/search.jsp" target="_top">Advanced Search</a> | <a href="' + linkURL +
  '/viewcart.jsp" target="_top">Shopping Cart</a> | <a href="' + linkURL +
  '/article.jsp?pageid=381" target="_top">Help</a> | <a href="' + linkURL +
  '/sitemap.jsp" target="_top">Site Map</a></span></nobr></p>');
}


	//Master list on us.elsevierhealth.com
browsers_IE = {name:"Internet Explorer 6", url:"http://www.microsoft.com/windows/ie/downloads/critical/ie6sp1/default.asp"};
browsers_NN = {name:"Netscape 7", url:"http://channels.netscape.com/ns/browsers/download.jsp"};
browsers_OP = {name:"Opera 6", url:"http://www.opera.com/download/"};
browsers_ALL = '<a href="' + browsers_IE.url + '">' + browsers_IE.name + '</a>, <a href="' + browsers_NN.url + '">' + browsers_NN.name + '</a>, or <a href="' + browsers_OP.url + '">' + browsers_OP.name + '</a>';
Flash = {name:"Macromedia Flash Player", url:"http://www.macromedia.com/software/flashplayer/"};
PDF = {name:"Adobe Acrobat Reader", url:"http://www.adobe.com/prodindex/acrobat/readstep.html"};
PDFPDA = {name:"Adobe Acrobat Reader for mobile devices", url:"http://www.adobe.com/products/acrobat/acrrmobiledevices.html"};
PowerPoint = {name:"PowerPoint or a PowerPoint viewer", url:"http://office.microsoft.com/Downloads/9798/Ppview97.aspx"};
Quicktime = {name:"QuickTime Player", url:"http://www.apple.com/quicktime/download/"};
RealPlayer = {name:"RealOne Player", url:"http://www.real.com/"};
Shockwave = {name:"Shockwave Player", url:"http://sdc.shockwave.com/shockwave/download/"};
WindowsMedia = {name:"Windows Media Player", url:"http://www.microsoft.com/windows/windowsmedia/download/default.asp"};
WinZip = {name:"WinZip", url:"http://www.winzip.com/"};
PKZIP = {name:"PKZIP", url:"http://nct.digitalriver.com/fulfill/0018.1"};
StuffIt = {name:"StuffIt Expander", url:"http://www.stuffit.com/downloads.html"};
FreeZip = {name:"Free Zip!", url:"http://www.braxio.com/zip.htm"};

	//This is used for standard Application statements. The pagename is text like "these sample chapters"; the
	//AppName is the common filetype nomenclature (eg, PDF, PowerPoint, RealAudio).
function HelperApp(AppName,pagename) {
 if (!pagename) { pagename = AppName + ' files'; }

 if (AppName == 'multi-select') {//Not really an app, used to explain multi-select on <SELECT>
  document.write('To select multiple ' + pagename + ': <u>PC users:</u> Hold down control key.  <u>Macintosh users:</u> Hold down command key.');
 }
 else if (AppName == 'browsers') {
  document.write('Download ' + browsers_ALL + '.');
 }
 else if (AppName == 'Flash') {
  document.write('<strong>Note:</strong> To review and run ' + pagename + ' you must have the ' + Flash.name + ' installed, which is free and ');
  document.write('<a href="' + Flash.url + '">available for download from the Macromedia site</a>.');
 }
 else if (AppName == 'PDF') {
  document.write('<strong>Note:</strong> To read and print ' + pagename + ' you must have the ' + PDF.name + ' installed, which is free and ');
  document.write('<a href="' + PDF.url + '">available for download from the Adobe site</a>.');
 }
 else if (AppName == 'PDF-PDA') {
  document.write('<strong>Note:</strong> To read and print ' + pagename + ' you must have the ' + PDFPDA.name + ' installed, which is free and ');
  document.write('<a href="' + PDFPDA.url + '">available for download from the Adobe site</a>.');
 }
 else if (AppName == 'PowerPoint' || AppName == 'PPT') { //see also PowerPoint_exe below
  document.write('<strong>Note:</strong> To view and print ' + pagename + ', you must have ' + PowerPoint.name + ' installed on your computer.  The latter is free and ');
  document.write('<a href="' + PowerPoint.url + '">available for download from the Microsoft site</a>.');
 }
 else if (AppName == 'Quicktime') {
  document.write('<strong>Note:</strong> To review and run ' + pagename + ' you must have the ' + Quicktime.name + ' installed, which is free and ');
  document.write('<a href="' + Quicktime.url + '">available for download from the Apple site</a>.');
 }
 else if (AppName == 'RealPlayer') {
  document.write('<strong>Note:</strong> To review and run ' + pagename + ' you must have ' + RealPlayer.name + ' installed, which is free and ');
  document.write('<a href="' + RealPlayer.url + '">available for download from the Real.com site</a>.');
 }
 else if (AppName == 'RTF') {
  document.write('<strong>Note:</strong> To view, edit, and print ' + pagename + ' you must have a word processing program such as Word, WordPad, or WordPerfect.');
 }
 else if (AppName == 'self-extracting_ZIP' || AppName == 'PowerPoint_exe') {
  document.write('<strong>Note:</strong> To use ' + pagename.split("_").join(" ") + ' simply download the file');
    //IE drops the .exe from filename if anything is found after filename in URL (eg, "?PIN=foo")
  if (IE) { document.write(' -- <strong>be certain the .exe extension is retained</strong> --'); }
  document.write(' and double-click it. The file will automatically extract all files bundled in it to a pre-determined location on your hard drive;');
  document.write(' you may change this location when extracting if you choose. <u>Macintosh users</u>: if your computer does not recognize the .exe file you can drop it onto <a href="' + StuffIt.url + '">' + StuffIt.name + '</a> for extraction.');
  if (AppName == 'PowerPoint_exe') {
   document.write('<br/>To then view and print ' + pagename + ', you must have ' + PowerPoint.name + ' installed on your computer.  The latter is free and ');
   document.write('<a href="' + PowerPoint.url + '">available for download from the Microsoft site</a>.');
  }
 }
 else if (AppName == 'Shockwave') {
  document.write('<strong>Note:</strong> To review and run ' + pagename + ' you must have the ' + Shockwave.name + ' installed, which is free and ');
  document.write('<a href="' + Shockwave.url + '">available for download from the Macromedia site</a>.');
 }
 else if (AppName == 'WindowsMedia') {
  document.write('<strong>Note:</strong> To review and run ' + pagename + ' you must have the ' + WindowsMedia.name + ' installed, which is free and ');
  document.write('<a href="' + WindowsMedia.url + '">available for download from the Microsoft site</a>.');
 }
 else if (AppName == 'ZIP') {
  document.write('<strong>Note:</strong> To use ' + pagename + ' you must have an extraction application such as <a href="' + WinZip.url + '">' + WinZip.name + '</a>, <a href="' + PKZIP.url + '">' + PKZIP.name + '</a>, <a href="' + StuffIt.url + '">' + StuffIt.name + '</a> (free), or <a href="' + FreeZip.url + '">' + FreeZip.name + '</a> (free).');
 }
}


	//This is used for placing our name on the site
function SiteBrand(usage) {
 if (!usage) { usage = 'dotcom'; }

 if (usage == 'corporateFull' || usage == 'corporateFirst') {
  document.write('Elsevier, Health Sciences Division');
 }
 else if (usage == 'corporateSecond') {
  document.write('Elsevier Health Sciences');
 }
 else if (usage == 'corporateES') {
  document.write('Elsevier');
 }
 else if (usage == 'dotcom' || usage == 'dotcomshort') {
  document.write('ElsevierHealth.com');
 }
}


//validates the fields of forms for PIN 2.0 (shouldn't be on headerfooter.js)
function validateForm(formname){	
 if(formname == 'Login') { //login form named 'login'
  if (isEmpty(document.loginForm.login.value)) { alert('Please enter a valid user name.'); }
  else if (isEmpty(document.loginForm.pass.value)) { alert('Please enter a password.'); }
  else { document.loginForm.submit(); }
 }
 else if(formname == 'Registration') { //registration form named 'registerForm'
  if (isEmpty(document.registerForm.registerpin.value)) { alert('Please enter a valid passcode.'); }
  else{ document.registerForm.submit(); }
 }
}

function isEmpty(value) { return (value==""); }



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