// JavaScript Document
function toggleSearch(id,height)
{
	var os = browser_detect();
	var browser = new BrowserDetect();
	
	height = height+"px";
	if (document.getElementById(id).style.visibility == "visible") 
	{ 
	    if (os == "Safari")
		{
			document.getElementById(id).style.visibility = "hidden";
			document.getElementById(id).style.position = "absolute";
			//document.getElementById("main").style.top = 500;
			
		}else{
			document.getElementById(id).style.visibility = "hidden";
			document.getElementById(id).style.position = "absolute";
		}
		//document.getElementById(id).style.height = 0; 
		
		MM_swapImage('btnSearch','','images/btn_openAdvanced.gif',1); 
		//document.getElementById("main").style.position = "absolute";
		//document.getElementById("footer").style.position = "absolute";
	} 
	else 
	{ 
	    document.getElementById(id).style.visibility = "visible";
		document.getElementById(id).style.position = "relative";
		document.getElementById(id).style.height = height ; 
		//alert(height);
		MM_swapImage('btnSearch','','images/btn_closeAdvanced.gif',1); 
		//document.getElementById("main").style.position = "absolute";
		//document.getElementById("main").style.top = 350;
		//document.getElementById("footer").style.position = "relative";
	}
	//alert(height);
	return true;
}

function os_detect()
{
    // Initializing variables
	var os;
		
	if (!os)
	{
		if (checkIt('linux')) os = "Linux";
		else if (checkIt('x11')) os = "Unix";
		else if (checkIt('mac')) os = "Mac"
		else if (checkIt('win')) os = "Windows"
		else os = "an unknown operating system";
	}
	
	return os;
}

function browser_detect()
{
    var broswer = "";

    if (checkIt('safari'))
	{
        browser = "Safari";
	}
    else if (checkIt('msie')) 
	{
		browser = "IE";
	}
	else 
	{
		browser = "FF"
	}
	
	return browser;
}
function checkIt(string)
{
	// Initializing variables
	var detect = navigator.userAgent.toLowerCase();
	
	var os = detect.indexOf(string) + 1;
	//cache_string = string;
	return os;
}

function BrowserDetect() {
   var ua = navigator.userAgent.toLowerCase(); 

   // browser engine name
   this.isGecko       = (ua.indexOf('gecko') != -1 && ua.indexOf('safari') == -1);
   this.isAppleWebKit = (ua.indexOf('applewebkit') != -1);

   // browser name
   this.isKonqueror   = (ua.indexOf('konqueror') != -1); 
   this.isSafari      = (ua.indexOf('safari') != - 1);
   this.isOmniweb     = (ua.indexOf('omniweb') != - 1);
   this.isOpera       = (ua.indexOf('opera') != -1); 
   this.isIcab        = (ua.indexOf('icab') != -1); 
   this.isAol         = (ua.indexOf('aol') != -1); 
   this.isIE          = (ua.indexOf('msie') != -1 && !this.isOpera && (ua.indexOf('webtv') == -1) ); 
   this.isMozilla     = (this.isGecko && ua.indexOf('gecko/') + 14 == ua.length);
   this.isFirebird    = (ua.indexOf('firebird/') != -1);
   this.isNS          = ( (this.isGecko) ? (ua.indexOf('netscape') != -1) : ( (ua.indexOf('mozilla') != -1) && !this.isOpera && !this.isSafari && (ua.indexOf('spoofer') == -1) && (ua.indexOf('compatible') == -1) && (ua.indexOf('webtv') == -1) && (ua.indexOf('hotjava') == -1) ) );
   
   // spoofing and compatible browsers
   this.isIECompatible = ( (ua.indexOf('msie') != -1) && !this.isIE);
   this.isNSCompatible = ( (ua.indexOf('mozilla') != -1) && !this.isNS && !this.isMozilla);
   
   // rendering engine versions
   this.geckoVersion = ( (this.isGecko) ? ua.substring( (ua.lastIndexOf('gecko/') + 6), (ua.lastIndexOf('gecko/') + 14) ) : -1 );
   this.equivalentMozilla = ( (this.isGecko) ? parseFloat( ua.substring( ua.indexOf('rv:') + 3 ) ) : -1 );
   this.appleWebKitVersion = ( (this.isAppleWebKit) ? parseFloat( ua.substring( ua.indexOf('applewebkit/') + 12) ) : -1 );
   
   // browser version
   this.versionMinor = parseFloat(navigator.appVersion); 
   
   // correct version number
   if (this.isGecko && !this.isMozilla) {
      this.versionMinor = parseFloat( ua.substring( ua.indexOf('/', ua.indexOf('gecko/') + 6) + 1 ) );
   }
   else if (this.isMozilla) {
      this.versionMinor = parseFloat( ua.substring( ua.indexOf('rv:') + 3 ) );
   }
   else if (this.isIE && this.versionMinor >= 4) {
      this.versionMinor = parseFloat( ua.substring( ua.indexOf('msie ') + 5 ) );
   }
   else if (this.isKonqueror) {
      this.versionMinor = parseFloat( ua.substring( ua.indexOf('konqueror/') + 10 ) );
   }
   else if (this.isSafari) {
      this.versionMinor = parseFloat( ua.substring( ua.lastIndexOf('safari/') + 7 ) );
   }
   else if (this.isOmniweb) {
      this.versionMinor = parseFloat( ua.substring( ua.lastIndexOf('omniweb/') + 8 ) );
   }
   else if (this.isOpera) {
      this.versionMinor = parseFloat( ua.substring( ua.indexOf('opera') + 6 ) );
   }
   else if (this.isIcab) {
      this.versionMinor = parseFloat( ua.substring( ua.indexOf('icab') + 5 ) );
   }
   
   this.versionMajor = parseInt(this.versionMinor); 
   
   // dom support
   this.isDOM1 = (document.getElementById);
   this.isDOM2Event = (document.addEventListener && document.removeEventListener);
   
   // css compatibility mode
   this.mode = document.compatMode ? document.compatMode : 'BackCompat';

   // platform
   this.isWin    = (ua.indexOf('win') != -1);
   this.isWin32  = (this.isWin && ( ua.indexOf('95') != -1 || ua.indexOf('98') != -1 || ua.indexOf('nt') != -1 || ua.indexOf('win32') != -1 || ua.indexOf('32bit') != -1 || ua.indexOf('xp') != -1) );
   this.isMac    = (ua.indexOf('mac') != -1);
   this.isUnix   = (ua.indexOf('unix') != -1 || ua.indexOf('sunos') != -1 || ua.indexOf('bsd') != -1 || ua.indexOf('x11') != -1)
   this.isLinux  = (ua.indexOf('linux') != -1);
   
   // specific browser shortcuts
   this.isNS4x = (this.isNS && this.versionMajor == 4);
   this.isNS40x = (this.isNS4x && this.versionMinor < 4.5);
   this.isNS47x = (this.isNS4x && this.versionMinor >= 4.7);
   this.isNS4up = (this.isNS && this.versionMinor >= 4);
   this.isNS6x = (this.isNS && this.versionMajor == 6);
   this.isNS6up = (this.isNS && this.versionMajor >= 6);
   this.isNS7x = (this.isNS && this.versionMajor == 7);
   this.isNS7up = (this.isNS && this.versionMajor >= 7);
   
   this.isIE4x = (this.isIE && this.versionMajor == 4);
   this.isIE4up = (this.isIE && this.versionMajor >= 4);
   this.isIE5x = (this.isIE && this.versionMajor == 5);
   this.isIE55 = (this.isIE && this.versionMinor == 5.5);
   this.isIE5up = (this.isIE && this.versionMajor >= 5);
   this.isIE6x = (this.isIE && this.versionMajor == 6);
   this.isIE6up = (this.isIE && this.versionMajor >= 6);
   
   this.isIE4xMac = (this.isIE4x && this.isMac);
}

	function subnav(id,menuId,imageId,imageSrcOn,imageSrcOff){
		
		if (document.getElementById(id).style.visibility == "visible"){
			document.getElementById(id).style.visibility = "hidden";
			document.getElementById(id).style.display = "none";
			document.getElementById(menuId).style.background = "#eef1e2";
			document.getElementById(imageId).src=imageSrcOff;
			document.getElementById(imageId).alt = "Click to Expand Menu";
		}else{
			document.getElementById(id).style.visibility = "visible";
			document.getElementById(id).style.display = "block";
			document.getElementById(imageId).src=imageSrcOn;
			document.getElementById(menuId).style.background = "#e4e6d8";
		    document.getElementById(imageId).alt = "Click to Collapse Menu";
		} 
	
	}
	
	function subnavToggle(id,state){
		//alert(state);
		if (state == "open") {
			document.getElementById(id).style.visibility = "visible";
			document.getElementById(id).style.display = "block";
		
		}else{
			document.getElementById(id).style.visibility = "hidden";
			document.getElementById(id).style.display = "none";
		
		}
	
	}
	
	function toggleGoogleMap(id,height){
	if (document.getElementById(id).style.visibility == "hidden") {
	        document.getElementById(id).style.height = height;
			document.getElementById(id).style.visibility = "visible";
			document.getElementById(id).style.display = "block";
			document.getElementById('googleIssue').style.visibility = "visible";
			document.getElementById('googleIssue').style.display = "block";
			document.getElementById('googleIssue').style.height = "15px";
			
			document.getElementById('googleArrow').src = "/images/arrow_down_secondary.gif";
			
		
		}else{
			document.getElementById(id).style.visibility = "hidden";
			document.getElementById(id).style.display = "none";
		    document.getElementById('googleArrow').src = "/images/arrow_right_secondary.gif";
		    document.getElementById('googleIssue').style.visibility = "hidden";
			document.getElementById('googleIssue').style.display = "none";
		}
	
	}

function swapColor(id,bgColor){
	document.getElementById(id).style.background = bgColor;
}

 function getURLParam(strParamName){
  var strReturn = "";
  var strHref = window.location.href;
  if ( strHref.indexOf("?") > -1 ){
    var strQueryString = strHref.substr(strHref.indexOf("?")).toLowerCase();
    var aQueryString = strQueryString.split("&");
    for ( var iParam = 0; iParam < aQueryString.length; iParam++ ){
      if ( 
        aQueryString[iParam].indexOf(strParamName + "=") > -1 ){
        var aParam = aQueryString[iParam].split("=");
        strReturn = aParam[1];
        break;
      }
    }
  }
  return strReturn;
}