function load_sub_class (class_code) {

   document.ABSTRACT.THIS_SUB_CLASS.options.length = 0; // remove all options
   document.ABSTRACT.THIS_SUB_CLASS.options[0] = new Option ("", "", true, true);

   if (class_code == "01") {
	document.ABSTRACT.THIS_SUB_CLASS.options[1] = new Option ("01 IPAC", "01", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[2] = new Option ("02 NA-PAC", "02", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[3] = new Option ("03 Linac", "03", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[4] = new Option ("04 Cyclotrons", "04", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[5] = new Option ("05 BIW", "05", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[6] = new Option ("06 COOL", "06", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[7] = new Option ("07 ICAP", "07", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[8] = new Option ("08 HIAT", "08", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[9] = new Option ("09 DIPAC", "09", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[10] = new Option ("10 SRF", "10", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[11] = new Option ("11 ICALEPCS", "11", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[12] = new Option ("12 FEL", "12", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[13] = new Option ("13 ICFA ABDW HB", "13", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[14] = new Option ("14 ICFA ABDW ERL", "14", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[15] = new Option ("15 ICFA ABDW FLS", "15", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[16] = new Option ("16 ICFA ABDW HF", "16", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[17] = new Option ("17 ICFA ABDW Ecloud", "17", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[18] = new Option ("18 ECRIS", "18", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[19] = new Option ("19 PCaPAC", "19", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[20] = new Option ("20 RuPAC", "20", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[21] = new Option ("21 IBIC", "21", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[22] = new Option ("36 SAP", "36", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[23] = new Option ("37 EIC", "37", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[24] = new Option ("38 MEDSI", "38", false, false);
   }

   else if (class_code == "02") {
	document.ABSTRACT.THIS_SUB_CLASS.options[1] = new Option ("34 RSC Activities", "34", false, false);
   }

   else if (class_code == "03") {
	document.ABSTRACT.THIS_SUB_CLASS.options[1] = new Option ("24 SPMS Development", "24", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[2] = new Option ("25 SPMS Functionality", "25", false, false);
   }

   else if (class_code == "04") {
	document.ABSTRACT.THIS_SUB_CLASS.options[1] = new Option ("41 InDiCo Fusion Project", "41", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[2] = new Option ("42 InDiCo Functionality", "42", false, false);
   }

   else if (class_code == "05") {
	document.ABSTRACT.THIS_SUB_CLASS.options[1] = new Option ("27 General", "27", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[2] = new Option ("28 INSPIRE", "28", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[3] = new Option ("43 InDiCo", "43", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[4] = new Option ("44 SPMS", "44", false, false);
   }

   else if (class_code == "06") {
	document.ABSTRACT.THIS_SUB_CLASS.options[1] = new Option ("35 Proceedings", "35", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[2] = new Option ("39 Publications", "39", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[3] = new Option ("49 Piping SPMS Data to Conference Websites", "49", false, false);
   }

   else if (class_code == "07") {
	document.ABSTRACT.THIS_SUB_CLASS.options[1] = new Option ("31 Opening", "31", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[2] = new Option ("32 Closing", "32", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[3] = new Option ("33 Special", "33", false, false);
   }

   else if (class_code == "08") {
	document.ABSTRACT.THIS_SUB_CLASS.options[1] = new Option ("27 General", "27", false, false);
   }

   else if (class_code == "09") {
	document.ABSTRACT.THIS_SUB_CLASS.options[1] = new Option ("22 Mirror Site", "22", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[2] = new Option ("23 CERN Site", "23", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[3] = new Option ("27 General", "27", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[4] = new Option ("45 Elettra Site", "45", false, false);
   }

   else if (class_code == "10") {
	document.ABSTRACT.THIS_SUB_CLASS.options[1] = new Option ("29 Software", "29", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[2] = new Option ("30 Hardware", "30", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[3] = new Option ("50 Proceedings Office", "50", false, false);
   }

   else if (class_code == "11") {
   }

   else if (class_code == "12") {
	document.ABSTRACT.THIS_SUB_CLASS.options[1] = new Option ("26 Templates", "26", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[2] = new Option ("40 Techniques", "40", false, false);
   }

   else if (class_code == "13") {
	document.ABSTRACT.THIS_SUB_CLASS.options[1] = new Option ("46 SPMS for Scientific Programme Management", "46", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[2] = new Option ("47 SPMS for Registration", "47", false, false);
   }

   else if (class_code == "14") {
	document.ABSTRACT.THIS_SUB_CLASS.options[1] = new Option ("40 Techniques", "40", false, false);
   }

   else if (class_code == "") {
	document.ABSTRACT.THIS_SUB_CLASS.options[1] = new Option ("01 IPAC", "01", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[2] = new Option ("02 NA-PAC", "02", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[3] = new Option ("03 Linac", "03", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[4] = new Option ("04 Cyclotrons", "04", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[5] = new Option ("05 BIW", "05", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[6] = new Option ("06 COOL", "06", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[7] = new Option ("07 ICAP", "07", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[8] = new Option ("08 HIAT", "08", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[9] = new Option ("09 DIPAC", "09", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[10] = new Option ("10 SRF", "10", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[11] = new Option ("11 ICALEPCS", "11", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[12] = new Option ("12 FEL", "12", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[13] = new Option ("13 ICFA ABDW HB", "13", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[14] = new Option ("14 ICFA ABDW ERL", "14", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[15] = new Option ("15 ICFA ABDW FLS", "15", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[16] = new Option ("16 ICFA ABDW HF", "16", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[17] = new Option ("17 ICFA ABDW Ecloud", "17", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[18] = new Option ("18 ECRIS", "18", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[19] = new Option ("19 PCaPAC", "19", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[20] = new Option ("20 RuPAC", "20", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[21] = new Option ("21 IBIC", "21", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[22] = new Option ("22 Mirror Site", "22", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[23] = new Option ("23 CERN Site", "23", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[24] = new Option ("24 SPMS Development", "24", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[25] = new Option ("25 SPMS Functionality", "25", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[26] = new Option ("26 Templates", "26", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[27] = new Option ("27 General", "27", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[28] = new Option ("28 INSPIRE", "28", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[29] = new Option ("29 Software", "29", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[30] = new Option ("30 Hardware", "30", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[31] = new Option ("31 Opening", "31", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[32] = new Option ("32 Closing", "32", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[33] = new Option ("33 Special", "33", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[34] = new Option ("34 RSC Activities", "34", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[35] = new Option ("35 Proceedings", "35", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[36] = new Option ("36 SAP", "36", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[37] = new Option ("37 EIC", "37", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[38] = new Option ("38 Editing with Acrobat/Pitstop", "48", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[39] = new Option ("38 MEDSI", "38", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[40] = new Option ("39 Publications", "39", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[41] = new Option ("40 Techniques", "40", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[42] = new Option ("41 InDiCo Fusion Project", "41", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[43] = new Option ("42 InDiCo Functionality", "42", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[44] = new Option ("43 InDiCo", "43", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[45] = new Option ("44 SPMS", "44", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[46] = new Option ("45 Elettra Site", "45", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[47] = new Option ("46 SPMS for Scientific Programme Management", "46", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[48] = new Option ("47 SPMS for Registration", "47", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[49] = new Option ("49 Piping SPMS Data to Conference Websites", "49", false, false);
	document.ABSTRACT.THIS_SUB_CLASS.options[50] = new Option ("50 Proceedings Office", "50", false, false);
   }

   return true;

}
function validatedSource () {

   window.opener.document.FILE_UPLOAD.source_verified.value="Y";
   window.close();
   return true;

}
function validateJACoWForm (sub_required) {

   if (document.ABSTRACT.this_title.value == "") {
      alert ("You must enter a Title");
      return false;
   }

   if (document.ABSTRACT.this_PRESENTATION.options[document.ABSTRACT.this_PRESENTATION.selectedIndex].value == "") {
      alert ("You must select a Presentation");
      return false;
  }

   if (document.ABSTRACT.this_CLASSIFICATION.options.length <= 1) {
      if (sub_required == "N") {
	 load_classifiation (document.ABSTRACT.this_presentation.options[document.ABSTRACT.this_presentation.selectedIndex].value);
      }
  }

   if (document.ABSTRACT.this_CLASSIFICATION.options[document.ABSTRACT.this_CLASSIFICATION.selectedIndex].value == "") {
      alert ("You must select a Main Classification");
      return false;
   }

   if (sub_required == "Y") {
      if (document.ABSTRACT.THIS_SUB_CLASS.options.length != 1) {
	 if (document.ABSTRACT.THIS_SUB_CLASS.options[document.ABSTRACT.THIS_SUB_CLASS.selectedIndex].value == "") {
	    alert ("You must select a Sub Classification");
	    return false;
   }  }  }

   if (document.ABSTRACT.this_description.value == "") {
      alert ("You must enter an Abstract");
      return false;
   }

   if (document.ABSTRACT.this_description.value.length > 1200) {
      alert ("Abstract exceeds the maximum length of 1200 characters.  Your abstract is " + document.ABSTRACT.this_description.value.length + " characters.");

      return false;
   }

   if (document.ABSTRACT.this_footnote.value.length > 200) {
      alert ("Footnote exceeds the maximum length of 200 characters.  Your footnote is " + document.ABSTRACT.this_footnote.value.length + " characters.");

      return false;
   }

   if (document.ABSTRACT.this_agency.value.length > 200) {
      alert ("Agency exceeds the maximum length of 200 characters.  Your agency is " + document.ABSTRACT.this_agency.value.length + " characters.");

      return false;
   }

   return true;

}

function validateFileForm () {

var PDFS	= new RegExp (document.FILE_UPLOAD.paper_id.value + "\\.(PDF|PS)$", "i");
var SRC	= new RegExp (document.FILE_UPLOAD.paper_id.value + "\\.(TEX|DOC|DOCX|DOCM|ODT)$", "i");
var TRAN	= new RegExp (document.FILE_UPLOAD.paper_id.value + "_TALK\\.(PPT|PPTX|PPS|PPSX|PDF|ODP)$", "i");
var POST	= new RegExp (document.FILE_UPLOAD.paper_id.value + "_poster\\.(PDF)$", "i");
var filename = document.FILE_UPLOAD.file_name.value.toUpperCase();


   document.FILE_UPLOAD.validated.value = "YES";

   if (document.FILE_UPLOAD.this_file_type.value == "") {
      alert ("You must specify a File Type");
      return false;
   }

   if (document.FILE_UPLOAD.this_platform.value == "") {
      alert ("You must specify a Platform");
      return false;
   }

   if (document.FILE_UPLOAD.file_name.value == "") {
      alert ("You must specify a File to Upload");
      return false;
   }

   if (document.FILE_UPLOAD.this_file_type.value == "PS") {
      if (filename.match(PS) == null) {
	 alert ("Postscript filename must be named " + document.FILE_UPLOAD.paper_id.value + ".PS");
	 return false;
   }  }

   if (document.FILE_UPLOAD.this_file_type.value == "SRC") {
      if (document.FILE_UPLOAD.source_verified.value == "N") {
	 alert ("You must verify the Abstract and Author List prior to uploading a source file.");
	 return false;
   }  }

var err_msg = "Upload of \"Other Supporting File\" can not be named <paper_id>.DOC/TEX/PDF, <paper_id>_TALK.PPT/PDF";


	 if (document.FILE_UPLOAD.this_file_type.value == "PDFS") {
	    if (filename.match(PDFS) == null) {
	       alert ("Filename must be named <paper_id>.PDF or <paper_id>.PS");
	       return false;
	 }  }

	 else if (document.FILE_UPLOAD.this_file_type.value == "SRC") {
	    if (filename.match(SRC) == null) {
	       alert ("Source filename must be named <paper_id>.DOC /X/M, <paper_id>.TEX, or <paper_id>.ODT");
	       return false;
	 }  }

	 else if (document.FILE_UPLOAD.this_file_type.value == "TRAN") {
	    if (filename.match(TRAN) == null) {
	       alert ("Transparency filename must be named <paper_id>_talk.PPT/PPTX/PPS/PPTX/PDF/ODP");
	       return false;
	 }  }

	 else if (document.FILE_UPLOAD.this_file_type.value == "POST") {
	    if (filename.match(POST) == null) {
	       alert ("Poster filename must be named <paper_id>_poster.PDF");
	       return false;
	 }  }

   else {

	    if (filename.match(PDFS) !== null) {
	       alert (err_msg);
	       return false;
	    }

	    else if (filename.match(SRC) !== null) {
	       alert (err_msg);
	       return false;
	    }

	    else if (filename.match(TRAN) !== null) {
	       alert (err_msg);
	       return false;
	    }

	    else if (filename.match(POST) !== null) {
	       alert (err_msg);
	       return false;
	    }

   }

   return true;

}

function template_guidelines() {
var resp;
	 if (document.FILE_UPLOAD.this_file_type.value == "PDFS") {
	   return (confirm ("I confirm that my manuscript conforms to the guidelines of the JACoW template, and I have checked the paper against the \"Common Oversights\" document, and implemented any necessary changes accordingly."));
	 }
	 if (document.FILE_UPLOAD.this_file_type.value == "SRC") {
	   return (confirm ("I confirm that my manuscript conforms to the guidelines of the JACoW template, and I have checked the paper against the \"Common Oversights\" document, and implemented any necessary changes accordingly."));
	 }
}