<!-- start

// used by all (general functions)
W3C = (document.getElementById) ? 1 : 0; 
IE4 = (document.all) ? 1 : 0; 
NS4 = (document.layers) ? 1 : 0; 

n_layer = 5; // default number of layers

function dhtml_check() {
	// set browser specific items for javascript using layers
	if (W3C) { // netscape 6 (gecko) or greater - DOM specific object variables
		layerRef = "document.getElementById('";
		layerEnd = "')";
		layerStyle = "').style";
		layerText = "').innerHTML";
		visible = '.visibility = "visible"';
		hidden = '.visibility = "hidden"';
		zlevel = '.zindex';
		pxunits = 'px';
		okMenu = true;
	}
	else if (NS4) { // netscape 4 - DOM specific object variables
		window.onResize = reloadIt;// patch for netscape window resizing problem
		layerRef = "document.layers['";
		layerEnd = "']";
		layerStyle = "']";
		visible = '.visibility = "show"';
		hidden = '.visibility = "hide"';
		zlevel = '.zIndex';
		pxunits = 'px';
		okMenu = true;
	}
	else if (IE4) { // msie 4 or greater - DOM specific object variables
		layerRef = "document.all['";
		layerEnd = "']";
		layerStyle = "'].style";
		layerText = "'].innerHTML";
		layerText = "').innerText";
		visible = '.visibility = "visible"';
		hidden = '.visibility = "hidden"';
		zlevel = '.zindex';
		pxunits = 'px';
		okMenu = true;
	}
	else { okMenu = false; } 
}

function reloadIt() { document.location = document.location; }

dhtml_check();

function ChangeText(txt_tag,this_txt,id) {
	// txt_tag - id of div and ilayer (layer name is txt_tag + _a) 
	// this_txt - what is to be displayed or array name
	// id - array id if this_txt is array name 
	if (id) { this_txt =	eval(this_txt)[id]; }
	if (W3C) { eval(layerRef + txt_tag + "')").innerHTML	= this_txt; }
	else if (IE4) { eval(layerRef + txt_tag + "']").innerText	= this_txt; }
	else if (NS4) { 
		var txt_tag2 = txt_tag + '_a';
		document.eval(txt_tag).document.eval(txt_tag2).document.open();
		document.eval(txt_tag).document.eval(txt_tag2).document.write(this_txt); 
		document.eval(txt_tag).document.eval(txt_tag2).document.close();
	}
	else { alert("Don't recognize this browser"); }
}

function check_required(which,req_fields,req_fields_txt) { 
	// which - values from form
	if (req_fields) { required = req_fields; required_text = req_fields_txt; }
	var ok;
	ok = required_fields(which);
	return ok;
}

function required_fields(which) {
  // checks if all required fields are filled in
  // do not change the rest of this function
  // adapted from script by wsabstract.com posted at 
  // The JavaScript Source!! http://javascript.internet.com

  var pass = true;
  var msg = "";
  var num = 0; 
 
  if (document.images) {
    for (var j = 0; j < required.length; j++) {
      var this_pass = this_radio = false;
      for (var i=0; i<which.length; i++) {
        var tempobj=which.elements[i];
        if (tempobj.name==required[j]) {
          if (((tempobj.type=="password" ||
            tempobj.type=="text" ||
            tempobj.type=="file" ||
            tempobj.type=="textarea") && 
            tempobj.value=='') ||
            (tempobj.type.toString().charAt(0)=="s" && 
             tempobj.selectedIndex==0)) {
            pass=false;
            num += 1;
            msg += "  * " + required_text[j] + "\n";
          }
          else if (tempobj.type=="radio") {
            this_radio = true;
            if (tempobj.checked) { this_pass = true; }
          } 
        }
      }
      if (this_radio && !this_pass) {
        pass=false;
        num += 1;
        msg += "  * " + required_text[j] + "\n";
      }
    }
  }  
 
  if (!pass) {
    msg = "Please make sure you provide \n" + msg;
    alert(msg);
    return false;
  }
  else { return true; }
}

function required_fieldsBU(which) {
	// checks if all required fields are filled in
	// do not change the rest of this function
	// adapted from script by wsabstract.com posted at 
	// The JavaScript Source!! http://javascript.internet.com

	var pass = true;
	var msg = "Please make sure that entries for \n";
	var num = 0; 

	if (document.images) {
		for (i="0"; i<which.length; i++) {
			var tempobj=which.elements[i];
			for (j = 0; j < required.length; j++) {
				if (tempobj.name==required[j]) {
					if (((tempobj.type=="password" ||
						tempobj.type=="text" ||
						tempobj.type=="file" ||
						tempobj.type=="textarea") && 
						tempobj.value=='') ||
						(tempobj.type.toString().charAt(0)=="s" && 
						tempobj.selectedIndex=="0")) {
						pass=false;
						num += 1;
						msg += "	* " + required_text[j] + "\n";
					}
				} 
			}
		}
	}	

	if (!pass) {
		if (num > 1) { msg += "are entered correctly.\n"; }
		else { msg += "is entered correctly.\n"; }
		alert(msg);
		return false;
	}
	else { return true; }
}

function emailCheck(emailStr) {
	// V1.1.3: Sandeep V. Tamhankar (stamhankar@hotmail.com) 
	// The JavaScript Source!! http://javascript.internet.com

	// Modified by Dan Jacobs 
	// comment out alerts - use return true/false only

	/* The following variable tells the rest of the function whether or not to
	verify that the address ends in a two-letter country	or well-known TLD. 
	1 means check it, 0 means don't. */

	var checkTLD=1;

	/* List of known TLDs that an e-mail address must end with. */

	var knownDomsPat = 
		/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;

	/* The following pattern is used to check if the entered e-mail address fits the 
	user@domain format. Also used to separate the username from the domain. */

	var emailPat=/^(.+)@(.+)$/;

	/* This string represents the pattern for matching all special characters.	
	We don't want to allow special characters in the address, such as
	( ) < > @ , ; : \ " . [ ] */

	var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";

	/* The following string represents the range of characters allowed in a
	user name or domain name. It really states which chars aren't allowed.*/

	var validChars="\[^\\s" + specialChars + "\]";

	/* The following pattern applies if the "user" is a quoted string (in which 
	case, there are no rules about which	characters are allowed and which aren't; 
	anything goes).	E.g. "jiminy cricket"@disney.com is a legal e-mail address. */

	var quotedUser="(\"[^\"]*\")";

	/* The following pattern applies for domains that are IP addresses, rather than 
	symbolic names - e.g. joe@[123.124.233.4] is a legal e-mail address. NOTE: The 
	square brackets are required. */

	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;

	/* The following string represents an atom
	(basically a series of non-special characters.) */

	var atom=validChars + '+';

	/* The following string represents one word in the typical username.
	For example, in john.doe@somewhere.com, john and doe are words.
	Basically, a word is either an atom or quoted string. */

	var word="(" + atom + "|" + quotedUser + ")";

	// The following pattern describes the structure of the user

	var userPat=new RegExp("^" + word + "(\\." + word + ")*$");

	/* The following pattern describes the structure of a normal symbolic domain, 
		as opposed to ipDomainPat, shown above. */

	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");

	/* Finally, start to figure out if the supplied address is valid. */

	/* Begin with the coarse pattern to simply break up user@domain into
	different pieces that are easy to analyze. */

	var matchArray=emailStr.match(emailPat);

	if (matchArray==null) {
		/* Too many/few @'s or something; basically, this address doesn't even fit the
		general mold of a valid e-mail address. */
		//alert("Email address seems incorrect (check @ and .'s)");
		return false;
	}

	var user=matchArray[1];
	var domain=matchArray[2];

	// Start by checking if only basic ASCII characters are in the strings (0-127).

	for (i="0"; i<user.length; i++) {
		if (user.charCodeAt(i)>127) {
			//alert("The username contains invalid characters.");
			return false;
		}
	}
	for (i="0"; i<domain.length; i++) {
		if (domain.charCodeAt(i)>127) {
			//alert("The domain name contains invalid characters.");
			return false;
		}
	}

	// See if "user" is valid 

	if (user.match(userPat)==null) {
		// user is not valid
		//alert("The username doesn't seem to be valid.");
		return false;
	}

	/* if the e-mail address is at an IP address (as opposed to a symbolic host
	name) make sure the IP address is valid. */

	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null) {
		// this is an IP address
		for (var i=1;i<=4;i++) {
			if (IPArray[i]>255) {
				//alert("Destination IP address is invalid!");
				return false;
			}
		}
		return true;
	}

	// Domain is symbolic name.	Check if it's valid.

	var atomPat=new RegExp("^" + atom + "$");
	var domArr=domain.split(".");
	var len=domArr.length;
	for (i="0";i<len;i++) {
		if (domArr[i].search(atomPat)==-1) {
			//alert("The domain name does not seem to be valid.");
			return false;
		}
	}

	/* domain name seems valid, but now make sure that it ends in a known
	top-level domain (like com, edu, gov) or a two-letter word, representing 
	country (uk, nl), and a hostname precedes the domain or country. */

	if (checkTLD && domArr[domArr.length-1].length!=2 && 
		domArr[domArr.length-1].search(knownDomsPat)==-1) {
		//alert("The address must end in a well-known domain or two letter country.");
		return false;
	}

	// Make sure there's a host name preceding the domain.

	if (len<2) { 
		//alert("This address is missing a hostname!");
		return false;
	}

	// If we've gotten this far, everything's valid!
	return true;
}

function show_layer(layerid,num_layer,pxleft_r,pxtop_r) {
	if (num_layer) { n_layer = num_layer; }
	for (i=1; i<=n_layer; i++) {
		var this_layer = "m" + i;
		if (i==layerid) {
			eval(layerRef + this_layer + layerStyle + visible);
		}
		else {
			eval(layerRef + this_layer + layerStyle + hidden);
		}
	}
}

function hide_layer(layerid,num_layer) {
	if (num_layer) { n_layer = num_layer; }
	for (i=1; i<=n_layer; i++) {
		var this_layer = "m" + i;
		if (layerid == 'all') { 
			eval(layerRef + this_layer + layerStyle + hidden);
		}
		else if (i==layerid) { 
			eval(layerRef + this_layer + layerStyle + visible);
		}
		else { 
			eval(layerRef + this_layer + layerStyle + hidden);
		}
	}
}

function set_layer_location(n_layer,pxleft,pxtop,offset) {	
	if (offset != "n") {
		if (document.all) { 
			if ((navigator.userAgent).indexOf("Windows")!=-1) {
				pxtop += 110; pxleft += 12; 
			}
		}
		else if (document.layers) { pxtop += 95; pxleft += 8; }
		else { pxtop += 85; pxleft += 8; }
		if ((navigator.userAgent).indexOf("Opera")!=-1) {
			pxtop += 110; pxleft += 8;
		}
	}
	var this_layer = "m" + n_layer; 
	var thisObj = layerRef + this_layer + layerStyle;
	eval(thisObj).left = pxleft + pxunits; 
	eval(thisObj).top	= pxtop + pxunits; 
}

function clear_radio_item(form,item) {
	// reset (turn off) radio buttons named item in form
	for (j = 0; j < eval('document.' + form + '.' + item).length; j++) {
		eval('document.' + form + '.' + item + '[' + j + '].checked = false'); 
	}
}

function save_text(form,new_text,item) {
	var ii, str;
	ii = eval('document.' + form + '.' + new_text).selectedIndex;
	if (ii == 0) { str = ''; }
	else { 
		str = eval('document.' + form + '.' + new_text + '.options['+ ii +']').text;
	}
	eval('document.' + form + '.' + item).value =	str;
} 

function set_value(item,value) {
	var this_var = eval('document' + '.' + form_name + '.' + item);
	this_var.value =	value;
} 

function change_field(form,item,val) {
	if (form && item) { eval('document.' + form + '.' + item).value = val; }
}

function submit_form(form,item,val,flag) {
	// item - form field name
	// val - value for item
	// flag - set if target is _blank (not _self)
	if (item && val) { change_field(form,item,val); }
	if (flag) { eval('document.' + form).target = '_blank'; }
	else { eval('document.' + form).target = '_self'; }
	eval('document.' + form).submit();
}

function force_download(form,item,val) {
	// item - form field name
	// val - value for item
	// flag - set if target is _blank (not _self)
	if (item && val) {
		change_field(form,item,val); // set form input for file to download
		var my_action = eval('document.' + form).action; // save orig. script
		eval('document.' + form).action = '/includes/dj/downloadfile.php';
		eval('document.' + form).submit(); // submit force download script
		eval('document.' + form).action = my_action; // reset to orig. script
	}
}

function open_window (file,width,height,toolbar) {
	// note: toolbar = yes to allow printing of pop-up window
	if (!toolbar) { toolbar = "no"; }	
	winopt = "toolbar=" + toolbar + ",location=no,directories=no,menubar=yes,";
	winopt += "resizable=no,scrollbars=yes";
	if (width && height) { winopt += ",width=" + width + ",height=" + height; }
	newWin=window.open(file,"dummy",winopt);
	newWin.focus();
}

function noCR(thisEvent) {
	var key = window.event ? thisEvent.keyCode : thisEvent.which;
	var keychar = String.fromCharCode(key);
	var reg = /\r/; // key = 13 
	// reg.test is true if \r and false otherwise 
	// return the opposite of the reg.test value (true --> false, false --> true)
	return !reg.test(keychar);
}

function isInteger(val) { // returns true if value contains all digits
	if (isBlank(val)) { return false; }
	for(var i=0;i<val.length;i++){
		if(!isDigit(val.charAt(i))) { return false; }
	}
	return true;
}

function isNumeric(val) { // returns true if value contains a positive float value
	return(parseFloat(val,10)==(val*1));
}

function isDigit(num) { // returns true if value is a 1-character digit
	if (num.length>1){ return false; }
	var string="1234567890";
	if (string.indexOf(num)!=-1){ return true; }
	return false;
}

function isBlank(val) { // returns true if value only contains spaces
	if(val==null){ return true; }
	for(var i=0;i<val.length;i++) {
		if ((val.charAt(i)!=' ')&&(val.charAt(i)!="\t")&&(val.charAt(i)!="\n")&&(val.charAt(i)!="\r")){
			return false;
		}
	}
	return true;
}

function check_integer(form,item_name,item_text) { // must be an integer (e.g., # of copies) 
	var this_var = eval('document' + '.' + form + '.' + item_name);
	if (!item_text) { item_text = item_name; }
	item_text = item_text.replace("_"," ");
	if (!isInteger(this_var.value)) {
		alert("The value for " + item_text + " must be an integer."); 
		this_var.value = "";
	}
}

// budgets, proposals

function help_window(item,width,height,toolbar) {
	if (!width) { width = 300; }
	if (!height) { height = 200; }
	var html = '<HTML>\n<HEAD>\n';
	html += '<TITLE>Budget Worksheet Help<\/TITLE>\n';
	html += '<LINK REL="STYLESHEET" TYPE="text/css" ';
	html += 'HREF="http://www.mdsg.umd.edu/Research/RFP/rfp.css">\n';
	html += '<\/HEAD>\n';
	html += '<BODY onBlur="window.close();">\n'; 
	html += '<P>\n'
	html += item;
	html += '<\/P>\n'; 
	html += '<P ALIGN="CENTER" CLASS="FOOTER">\n';
	html += '<A HREF="javascript:window.close();"';
	html += 'onClick="window.close();">Close Window<\A>\n';
	html += '<\/P>\n';
	html += '<\/BODY>\n';
	html += '<\/HTML>\n';

	// note: toolbar = yes to allow printing of pop-up window
	if (!toolbar) { toolbar = "no"; }	
	winopt = "toolbar=" + toolbar + ",location=no,directories=no,menubar=no,";
	winopt += "resizable=no,scrollbars=yes";
	if (width && height) { winopt += ",width=" + width + ",height=" + height; }
	newWin=window.open("","dummy",winopt);
	newWin.document.write(html);
	newWin.document.close();
	newWin.focus();
}

function listInstitutions() {
	document.write('<OPTION VALUE="" SELECTED>Current List\n');
	for (var ii in ICode) {
		if (ii != "") {
			document.write('<OPTION VALUE="' + ii + '">' + ii + '\n');
		}
	} 
}

function setInstitution(form,select_field,text_field,icode_field,icode_div) {
	save_text(form,select_field,text_field);
	var thisPick = eval('document.' + form + '.' + select_field).value;
	eval('document.' + form + '.' + icode_field).value = ICode[thisPick];
	ChangeText(icode_div,ICode[thisPick]);
}

function check_form(which,status) { 
	eval('document' + '.' + form_name + '.status').value = status; 
	if (status == 'submitted') { // finished with review
		ok = check_required(which); // check if all required fields are provided
	}
	else { ok = true; }
	return ok; 
}

function setICode(form,text_field,icode_field,icode_div) {
	var thisObj	= eval('document.' + form + '.' + text_field);
	if (!ICode[thisObj.value]) { var thisPick = ""; }
	else { var thisPick = thisObj.value; }
	eval('document.' + form + '.' + icode_field).value = ICode[thisPick];
	if (icode_div) { ChangeText(icode_div,ICode[thisPick]); } 
}

// reviews 

function check_value(field) { 
	var low = scores_low[field]; 
	var high = scores_high[field]; 
	var item_name = scores[field];
	var this_var = eval('document' + '.' + form_name + '.' + field);
	if (score_scale == 'rank') { // rfp ordinal scale 1-5 allow 1 place to right of decimal
		var anum = /(^\d+$)|(^\d+\.\d+$)/;
		var msg = " ";
	}
	else { // 0-100 pct scale used by NSI, must be 1-2 digit integer
		var anum = /^(\d{1,2})$/;
		var msg = " an integer ";
	}
	var testresult = false;
	if (anum.test(this_var.value)) { testresult = true; } 
	if (this_var.value < low || this_var.value > high || !testresult) {
		alert("The value for " + item_name + " must be" + msg +	"between " + low + " and " + high); 
		this_var.value = "";
	}
}

function check_total(which,status) { 
	// make sure sum of scores not more than 100
	var this_sum = 0;
	var this_total = eval('document' + '.' + form_name + '.sum');
	for (var item in scores) {
		var this_val = eval('document' + '.' + form_name + '.' + item).value; 
		this_sum += this_val * 1;
	}
	if (this_sum > 100) {	
		alert("Your total score is greater than 100."); 
		this_total.value = "";
		return false;
	}
	this_total.value = this_sum;
	eval('document' + '.' + form_name + '.status').value = status; 

	if (status == 'submitted') { // finished with review
		ok = check_required(which); // check if all required fields are provided
	}
	else { ok = true; }
	return ok; 
}

minyr = 2004;
maxyr = 2030;

function check_date(form,item,pattern,txt) { // check if date follows pattern
	var this_var = eval('document' + '.' + form + '.' + item);
	var this_value = this_var.value;
	var this_match = "";
	if (!txt) { txt = item; }
	if (!this_value) { return false; }
	if (pattern == "yyyy") { // must be 4 digit year
		this_match = this_value.match(/^(\d{4})$/);
		if (this_value < minyr || this_value > maxyr || !this_match) { 
			alert("The value for " + txt + " (" + this_value + ") is not valid.");
			this_var.focus();
			this_var.value = ""; 
			return false;
		}
	}
	else if (pattern == "mdy") { // must be mm/dd/yyyy
		this_date = isValidDate(form,item,'this',1);
		if (!this_date) { 
			this_var.focus();
			this_var.value = ""; 
			return false;
		}
	}
	else if (pattern == "hhmmx") { // must be hh:mm x (x - a or p)
		this_match = checkTime(this_var);
		if (this_match) { 
			alert("The value for " + txt + " (" + this_value + ") is not valid.");
			//alert("The value for " + txt + " has an invalid " + this_match);
			this_var.focus();
			this_var.value = "5:00 pm"; 
			return false;
		}
	}
	ok = true;
	//var ok = check_datetext(form,item,txt,'1');
	return ok;
}

function checkTime(field) {
	// adapted from http://www.the-art-of-web.com/javascript/validate-date/
	var errorMsg = "";
	// regular expression to match required time format
	var re = /^(\d{1,2}):(\d{2})(:00)?\s([ap]m)?$/;
	if (field.value != '') {
		if (regs = field.value.match(re)) {
			if (regs[4]) { // 12-hour time format with am/pm
				if( regs[1] < 1 || regs[1] > 12) {
					errorMsg = "value for hours (" + regs[1] + ")";
				}
			}
			else { // 24-hour time format
				if (regs[1] > 23) {
					errorMsg = "value for hours (" + regs[1] + ")";
				}
			}
			if (!errorMsg && regs[2] > 59) {
				errorMsg = "value for minutes (" + regs[2] + ")";
			}
		}
		else {
			errorMsg = "time format (" + field.value + ")";
		}
	}
	return errorMsg;
}

function check_datetext(form,item1,txt1,flag) { 
	// make sure you do not have both items
	var item2 = item1.replace('_end','_special');
	var txt2 = txt1.replace(' date',' text');
	var this_var1 = eval('document' + '.' + form + '.' + item1);
	var this_var2 = eval('document' + '.' + form + '.' + item2);
	//txt1 = txt1.toLowerCase();
	//txt2 = txt2.toLowerCase();
	var ok = true;
	if (this_var1.value && this_var2.value) {
		this_var2.value = "";
		//alert("You cannot have both\n* " + txt1 + " and\n* " + txt2 + "\n\nThe value for the " + txt2.toLowerCase() + " has been cleared.");
		
		alert("You cannot have both\n* " + txt1 + " and\n* " + txt2 + "\n\nThe end text entry has been cleared.");
		ok = false; 
	}
	if (flag) { return ok; }
}

function splitDate(this_value) {
	var this_indx = this_value.indexOf('/');
	month = this_value.substring(0,this_indx) * 1;
	if (month > 12 || month < 1) { this_match = ""; }
	this_indx += 1;
	this_value = this_value.substring(this_indx,this_value.length);
	this_indx = this_value.indexOf('/');
	day = this_value.substring(0,this_indx) * 1;
	this_indx += 1;
	year = this_value.substring(this_indx,this_value.length) * 1;
}

function isValidDate(form,date_var,date_txt,flag) {
	// form - name of the form
	// date_var - name of the date variable in the form
	// flag - if return requested
	var retval = true;
	var thisObj = eval('document.' + form + '.' + date_var);
	var this_value = thisObj.value;
	var this_date, this_indx, this_msg;
	var this_match = this_value.match(/^(\d{1,2})\/(\d{1,2})\/(\d{4})$/);
	if (this_match) { // check limits
		splitDate(this_value);
		if (year < minyr || year > maxyr) { this_match = ""; }
	}
	if (!this_match) {
		this_msg = "The pattern of " + date_txt + " date is mm/dd/yyyy\nwhere mm is the month (1-12), ";
		this_msg += "dd is the day (1-28, 29, 30 or 31, depending on the month and year) ";
		this_msg += "and yyyy is the year (e.g, 2008).";
		thisObj.value = "";
		alert(this_msg);
		retval = false;
	} 
	else { 
		month--; // Javascript goes 0-11 (not 1-12)
		this_msg = thisObj.value;
		this_date = new Date(year,month,day); // convert to legit date
		if ((day == this_date.getDate()) && (month == this_date.getMonth()) && 
				(year == this_date.getFullYear())) { return true; }
		month = this_date.getMonth() + 1; // reset to legit month (1-12)
		day = this_date.getDate(); // reset to legit day for this month (including leap years) 
		year = this_date.getFullYear(); // reset to legit year
		thisObj.value = month + '/' + day + '/' + year; // reset to legit date
		this_msg = "The date you entered " + this_msg + " is invalid ";
		this_msg += "and has been changed to " + thisObj.value; 
		alert(this_msg);
		retval = false;
	}
	if (flag) { return retval; }
}

//end -->