//Custom API for cross-browser compatible updates of webpages
//Written by Michael Rock, ITD
//****************************************************
//This function handles bug in IE CSS support so that the drop-down menus work with the :hover pseudo-class
//****************************************************
sfHover = function() { 
var sfEls = document.getElementById("acgovheadermenu").getElementsByTagName("li");
var e=document.getElementsByTagName("select");
 for (var i=0; i<sfEls.length; i++) { 
 	sfEls[i].onmouseover=function() { 
		//Fixes bug in IE5/IE6 where drop-down menus show behind select tags
		for(var i=0;i<e.length;i++){e[i].style.visibility = "hidden";}
		//
		this.className+=" sfhover";
		 } 
		sfEls[i].onmouseout=function() { 
		//Fixes bug in IE5/IE6 where drop-down menus show behind select tags	
		for(var i=0;i<e.length;i++){e[i].style.visibility = "visible";}
		//
			this.className=this.className.replace(new RegExp(" sfhover\\b"), ""); } } } 
if (window.attachEvent) window.attachEvent("onload", sfHover);

//Set Variables For Generating Today's Date
var today = new Date();
var year = today.getFullYear();
var month = today.getMonth();
var monthC
var weekday = today.getDay();
var weekdayC
var day = today.getDate();

//Convert Weekdays 
if (weekday == 0) {	weekdayC = "Sunday";}
else if (weekday == 1) {weekdayC = "Monday";}
else if (weekday == 2) {weekdayC = "Tuesday";}
else if (weekday == 3) {weekdayC = "Wednesday";}
else if (weekday == 4) {weekdayC = "Thursday";}
else if (weekday == 5) {weekdayC = "Friday";}
else if (weekday == 6) {weekdayC = "Saturday";}
//Convert Month
if (month == 0) {monthC = "January";}
else if (month == 1) {monthC = "February";}
else if (month == 2) {monthC = "March";}
else if (month == 3) {monthC = "April";}
else if (month == 4) {monthC = "May";}
else if (month == 5) {monthC = "June";}
else if (month == 6) {monthC = "July";}
else if (month == 7) {monthC = "August";}
else if (month == 8) {monthC = "September";}
else if (month == 9) {monthC = "October";}
else if (month == 10) {monthC = "November";}
else if (month == 11) {monthC = "December";}
//Concatenate Date Fields
var todayIs = weekdayC + ", " + monthC + " " + day + ", " + year;

// Function automatically navigates to page selected from the department listing.
function selectsys(form){    
	 if (form.select2.selectedIndex == 0 );
     else
        {
            location =
                 form.select2.options[form.select2.selectedIndex].value
        }
  }
  

// Handles the Netscape Window Resizing bug.  Commented code handles resizing bug in Netscape 4.08
// but it does not handle bug if font size is adjusted.  Second set of code handles resizing bug
// for changing the font size but does not fix a bug in Netscape 4.08 that causes the page
// to continually reload if the content extends past visable screen.

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);
/*

function handleResize() {
	location.reload()
	return false
}

if (ns4) {
	
	window.captureEvents(Event.RESIZE);
	window.onresize = handleResize;
}
*/

//*** autotab to use with fields like phone numbers to tab to next field when reached max length
//*** add onKeyup to the input tag of field, see example:
//*** <input type="text" name="Phone_Prefix" value="" onKeyup="autotab(this, document.form1.Phone_Suffix)" maxlength=3>
function autotab(original,destination){
if (original.getAttribute&&original.value.length==original.getAttribute("maxlength"))
destination.focus()
}

//Function runs Search Query to use keywords without user having to input proper formatting
function RunSearchQuery() {
if (is_nav4) {
    if (document.queryForm.queryText.value == "") {
		alert("Please enter one or more keywords on which to search.")
		}
	else {
		query = escape('keywords <contains> ' + document.queryForm.queryText.value);	
		newURL = "http://www.co.alameda.ca.us/search?NS-search-page=results&NS-collection=Site_Search&NS-query=" + query;
				window.location = newURL;
		}
	}	
else {
	if (document.queryForm.queryText.value == "") {
		alert("Please enter one or more keywords on which to search.")
		}
	else {
		query = escape('keywords <contains> ' + document.queryForm.queryText.value);	
		newURL = "http://www.co.alameda.ca.us/search?NS-search-page=results&NS-collection=Site_Search&NS-query=" + query;
				window.location = newURL;
		}
	}
 }

//*** autotab to use with fields like phone numbers to tab to next field when reached max length
//*** add onKeyup to the input tag of field, see example:
//*** <input type="text" name="Phone_Prefix" value="" onKeyup="autotab(this, document.form1.Phone_Suffix)" maxlength=3>
function autotab(original,destination){
if (original.getAttribute&&original.value.length==original.getAttribute("maxlength"))
destination.focus()
}

 // JavaScript Browser Sniffer
// convert all characters to lowercase to simplify testing
    var agt=navigator.userAgent.toLowerCase();
    var appVer = navigator.appVersion.toLowerCase();

    // *** BROWSER VERSION ***

    var is_minor = parseFloat(appVer);
    var is_major = parseInt(is_minor);

    var is_opera = (agt.indexOf("opera") != -1);
    var is_opera2 = (agt.indexOf("opera 2") != -1 || agt.indexOf("opera/2") != -1);
    var is_opera3 = (agt.indexOf("opera 3") != -1 || agt.indexOf("opera/3") != -1);
    var is_opera4 = (agt.indexOf("opera 4") != -1 || agt.indexOf("opera/4") != -1);
    var is_opera5 = (agt.indexOf("opera 5") != -1 || agt.indexOf("opera/5") != -1);
    var is_opera6 = (agt.indexOf("opera 6") != -1 || agt.indexOf("opera/6") != -1); // new 020128- abk
    var is_opera7 = (agt.indexOf("opera 7") != -1 || agt.indexOf("opera/7") != -1); // new 021205- dmr
    var is_opera5up = (is_opera && !is_opera2 && !is_opera3 && !is_opera4);
    var is_opera6up = (is_opera && !is_opera2 && !is_opera3 && !is_opera4 && !is_opera5); // new020128
    var is_opera7up = (is_opera && !is_opera2 && !is_opera3 && !is_opera4 && !is_opera5 && !is_opera6); // new021205 -- dmr

    // Note: On IE, start of appVersion return 3 or 4
    // which supposedly is the version of Netscape it is compatible with.
    // So we look for the real version further on in the string
    // And on Mac IE5+, we look for is_minor in the ua; since 
    // it appears to be more accurate than appVersion - 06/17/2004

    var is_mac = (agt.indexOf("mac")!=-1);
    var iePos  = appVer.indexOf('msie');
    if (iePos !=-1) {
       if(is_mac) {
           var iePos = agt.indexOf('msie');
           is_minor = parseFloat(agt.substring(iePos+5,agt.indexOf(';',iePos)));
       }
       else is_minor = parseFloat(appVer.substring(iePos+5,appVer.indexOf(';',iePos)));
       is_major = parseInt(is_minor);
    }

    // ditto Konqueror
                                      
    var is_konq = false;
    var kqPos   = agt.indexOf('konqueror');
    if (kqPos !=-1) {                 
       is_konq  = true;
       is_minor = parseFloat(agt.substring(kqPos+10,agt.indexOf(';',kqPos)));
       is_major = parseInt(is_minor);
    }                                 

    var is_getElementById   = (document.getElementById) ? "true" : "false"; // 001121-abk
    var is_getElementsByTagName = (document.getElementsByTagName) ? "true" : "false"; // 001127-abk
    var is_documentElement = (document.documentElement) ? "true" : "false"; // 001121-abk

    var is_safari = ((agt.indexOf('safari')!=-1)&&(agt.indexOf('mac')!=-1))?true:false;
    var is_khtml  = (is_safari || is_konq);

    var is_gecko = ((!is_khtml)&&(navigator.product)&&(navigator.product.toLowerCase()=="gecko"))?true:false;
    var is_gver  = 0;
    if (is_gecko) is_gver=navigator.productSub;

    var is_moz   = ((agt.indexOf('mozilla/5')!=-1) && (agt.indexOf('spoofer')==-1) &&
                    (agt.indexOf('compatible')==-1) && (agt.indexOf('opera')==-1)  &&
                    (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1)     &&
                    (is_gecko) && 
                    ((navigator.vendor=="")||(navigator.vendor=="Mozilla")||(navigator.vendor=="Debian")));
    var is_fb = ((agt.indexOf('mozilla/5')!=-1) && (agt.indexOf('spoofer')==-1) &&
                 (agt.indexOf('compatible')==-1) && (agt.indexOf('opera')==-1)  &&
                 (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1)     &&
                 (is_gecko) && (navigator.vendor=="Firebird"));
    var is_fx = ((agt.indexOf('mozilla/5')!=-1) && (agt.indexOf('spoofer')==-1) &&
                 (agt.indexOf('compatible')==-1) && (agt.indexOf('opera')==-1)  &&
                 (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1)     &&
                 (is_gecko) && (navigator.vendor=="Firefox"));
    if ((is_moz)||(is_fb)||(is_fx)) {  // 032504 - dmr
       var is_moz_ver = (navigator.vendorSub)?navigator.vendorSub:0;
       if(!(is_moz_ver)) {
           is_moz_ver = agt.indexOf('rv:');
           is_moz_ver = agt.substring(is_moz_ver+3);
           is_paren   = is_moz_ver.indexOf(')');
           is_moz_ver = is_moz_ver.substring(0,is_paren);
       }
       is_minor = is_moz_ver;
       is_major = parseInt(is_moz_ver);
    }
   var is_fb_ver = is_moz_ver;
   var is_fx_ver = is_moz_ver;

    var is_nav  = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1)
                && (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1)
                && (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1)
                && (!is_khtml) && (!(is_moz)) && (!is_fb) && (!is_fx));

    // Netscape6 is mozilla/5 + Netscape6/6.0!!!
    // Mozilla/5.0 (Windows; U; Win98; en-US; m18) Gecko/20001108 Netscape6/6.0
    // Changed this to use navigator.vendor/vendorSub - dmr 060502   
    // var nav6Pos = agt.indexOf('netscape6');
    // if (nav6Pos !=-1) {
    if ((navigator.vendor)&&
        ((navigator.vendor=="Netscape6")||(navigator.vendor=="Netscape"))&&
        (is_nav)) {
       is_major = parseInt(navigator.vendorSub);
       // here we need is_minor as a valid float for testing. We'll
       // revert to the actual content before printing the result. 
       is_minor = parseFloat(navigator.vendorSub);
    }

    var is_nav2 = (is_nav && (is_major == 2));
    var is_nav3 = (is_nav && (is_major == 3));
    var is_nav4 = (is_nav && (is_major == 4));
    var is_nav4up = (is_nav && is_minor >= 4);  // changed to is_minor for
                                                // consistency - dmr, 011001
    var is_navonly      = (is_nav && ((agt.indexOf(";nav") != -1) ||
                          (agt.indexOf("; nav") != -1)) );

    var is_nav6   = (is_nav && is_major==6);    // new 010118 mhp
    var is_nav6up = (is_nav && is_minor >= 6) // new 010118 mhp

    var is_nav5   = (is_nav && is_major == 5 && !is_nav6); // checked for ns6
    var is_nav5up = (is_nav && is_minor >= 5);

    var is_nav7   = (is_nav && is_major == 7);
    var is_nav7up = (is_nav && is_minor >= 7);

    var is_ie   = ((iePos!=-1) && (!is_opera) && (!is_khtml));
    var is_ie3  = (is_ie && (is_major < 4));

    var is_ie4   = (is_ie && is_major == 4);
    var is_ie4up = (is_ie && is_minor >= 4);
    var is_ie5   = (is_ie && is_major == 5);
    var is_ie5up = (is_ie && is_minor >= 5);
    
    var is_ie5_5  = (is_ie && (agt.indexOf("msie 5.5") !=-1)); // 020128 new - abk
    var is_ie5_5up =(is_ie && is_minor >= 5.5);                // 020128 new - abk
	
    var is_ie6   = (is_ie && is_major == 6);
    var is_ie6up = (is_ie && is_minor >= 6);

// KNOWN BUG: On AOL4, returns false if IE3 is embedded browser
    // or if this is the first browser window opened.  Thus the
    // variables is_aol, is_aol3, and is_aol4 aren't 100% reliable.

    var is_aol   = (agt.indexOf("aol") != -1);
    var is_aol3  = (is_aol && is_ie3);
    var is_aol4  = (is_aol && is_ie4);
    var is_aol5  = (agt.indexOf("aol 5") != -1);
    var is_aol6  = (agt.indexOf("aol 6") != -1);
    var is_aol7  = ((agt.indexOf("aol 7")!=-1) || (agt.indexOf("aol7")!=-1));
    var is_aol8  = ((agt.indexOf("aol 8")!=-1) || (agt.indexOf("aol8")!=-1));

  var is_webtv = (agt.indexOf("webtv") != -1);