function getSelectedCheckbox(buttonGroup) {
   // Go through all the check boxes. return an array of all the ones
   // that are selected (their position numbers). if no boxes were checked,
   // returned array will be empty (length will be zero)
   var retArr = new Array();
   var lastElement = 0;
   if (buttonGroup[0]) { // if the button group is an array (one check box is not an array)
      for (var i=0; i<buttonGroup.length; i++) {
         if (buttonGroup[i].checked) {
            retArr.length = lastElement;
            retArr[lastElement] = i;
            lastElement++;
         }
      }
   } else { // There is only one check box (it's not an array)
      if (buttonGroup.checked) { // if the one check box is checked
         retArr.length = lastElement;
         retArr[lastElement] = 0; // return zero as the only array value
      }
   }
   return retArr;
} // Ends the "getSelectedCheckbox" function

function make(form) 
		{
			var url = "http://helix.usc.edu/ipac20/ipac.jsp?&profile=den&index=";
				
			var recvd = "";
			recvd = form.searchtext.value;
			
			var kbk = "";
			kbk = form.dropdown.options[form.dropdown.selectedIndex].text;
				
			switch (kbk)
			{
			case 'General Keyword':  url+=".GW";
				break;
			case 'Title Keyword':  url+=".TW";
				break;
			case 'Author Keyword':  url+=".AW";
				break;
			case 'Subject Keyword':  url+=".SW";
				break;
			case 'Series Keyword':  url+=".SE";
				break;
			case 'Journal Title Keyword':  url+=".JT";
				break;
			case 'Title Browse':  url+="TITLE";
				break;
			case 'Author Browse':  url+="AUTHOR";
				break;
			case 'Subject Browse':  url+="SUBJECT";
				break;
			case 'Series Browse':  url+="SERIES";
				break;
			case 'Journal Title Browse':  url+="JTITL";
				break;
			case 'Call Number':  url+="CALLNLM";
				break;
			case 'ISBN':  url+="ISBN";
				break;
			case 'ISSN':  url+="ISSN";
				break;
			case 'Barcode':  url+="BC";
				break;
			case 'Bib No':  url+="BIB";
				break;
					default: url+=".GW";
			}
		url+="&term=";
		url+=recvd;
		
		if (document.catalogue.wilsonreserves.checked)
		{
		url+="&limit=MD01+%3D+md_resw";
		}
		if (document.catalogue.wilsonaudiovisuals.checked)
		{
		url+="&limit=MD01+%3D+md_avw";
		}
		if (document.catalogue.wilsonsoftware.checked)
		{
		url+="&limit=MD01+%3D+md_cpw";
		}
		if (document.catalogue.wilsonhistorical.checked)
		{
		url+="&limit=MD01+%3D+md_histw";
		}
		
		
document.location.href = url;

}

 function makejournal(form) 
		{
		var recvd = "";
			recvd = form.journalsearch.value;
		var kbk = "";
			kbk = form.journaltype.options[form.journaltype.selectedIndex].value;
		var journal_url = "http://zb5lh7ed7a.search.serialssolutions.com/?C=";
		journal_url+=recvd;
		journal_url+="&L=ZB5LH7ED7A&N=100&V=1.0&S="; 
		journal_url+=kbk;
		journal_url += "&SS_searchTypeJournal=yes&SS_searchTypesUsed=yes"
		//document.write(kbk);
		//book_url+="full_text";
		//document.write(journal_url);
		document.location.href = journal_url;
		}
function makebook(form) 
		{
		var recvd = "";
			recvd = form.ebooksearch.value;
		var kbk = "";
			kbk = form.ebooktype.options[form.ebooktype.selectedIndex].value;
		var book_url = "http://wa8ex8lb3s.cs.serialssolutions.com/results?SS_LibHash=WA8EX8LB3S&dbIDList=&searchType=basic&action=start&catGroupList=default&searchBy=Category&term=";
		book_url+=recvd;
		book_url+="&field=";
		switch (kbk)
			{
			case 'title':  book_url+="title";
				break;
			case 'author':  book_url+="author";
				break;
			case 'full_text':  book_url+="full_text";
				break;
			case 'keyword':  book_url+="keyword";
				break;
			case 'subject':  book_url+="subject";
				break;
			case 'abstract':  book_url+="abstract";
				break;
			case 'isbn':  book_url+="isbn";
				break;
			case 'issn':  book_url+="issn";
				break;
			case 'any':  book_url+="any";
				break;
			case 'default': document.write(kbk);
			}
			book_url += "&catID=100064"
		//document.write(kbk);
		//book_url+="full_text";
		document.location.href = book_url;
		}
function kd(e)

	{
		if (navigator.appName == 'Microsoft Internet Explorer')
		{
			if (event.keyCode == 13)
			{
			event.returnValue=false;
			event.cancel = true;
			document.getElementById('jbutton').click();
			}
		}
		else
		{
			var intKey = (window.Event) ? e.which : e.keyCode;
			if (intKey == 13) { //enter key
				document.getElementById('jbutton').click();
				return false;
			}
			return true;
		}
	}
	function sample1(e)
	{
		if (navigator.appName == 'Microsoft Internet Explorer')
		{
			if (event.keyCode == 13)
			{
			event.returnValue=false;
			event.cancel = true;
			document.getElementById('ebook_button').click();
			}
		}
		else
		{
			var intKey = (window.Event) ? e.which : e.keyCode;
			if (intKey == 13) { //enter key
				document.getElementById('ebook_button').click();
				return false;
			}
			return true;
		}
		
	}
	function sample2(e)
	{
		if (navigator.appName == 'Microsoft Internet Explorer')
		{
			if (event.keyCode == 13)
			{
			event.returnValue=false;
			event.cancel = true;
			document.getElementById('er_button').click();
			}
		}
		else
		{
			var intKey = (window.Event) ? e.which : e.keyCode;
			if (intKey == 13) { //enter key
				document.getElementById('er_button').click();
				return false;
			}
			return true;
		}
	}