//reusable/////////////////////////////

//Drop down menu by http://www.dynamicdrive.com

var zindex=100
var ns4=document.layers
var ns6=document.getElementById&&!document.all
var ie4=document.all
var opr=navigator.userAgent.indexOf("Opera")

function dropit(e,whichone,iBump,iBumpY,iNSBump,iNSBumpY){
var iBumpBy;
var iBumpByY;
var iNSBumpBy;
var iNSBumpByY;
curmenuID=ns6? document.getElementById(whichone).id : eval(whichone).id
if (window.themenu&&themenu.id!=curmenuID)
themenuStyle.visibility=ns4?"hide" : "hidden";

themenu=ns6? document.getElementById(whichone): eval(whichone);
themenuStyle=(ns6||ie4)? themenu.style : themenu;

themenuoffsetX=(ie4&&opr==-1)? document.body.scrollLeft : 0;
themenuoffsetY=(ie4&&opr==-1)? document.body.scrollTop : 0;

iBump? iBumpBy=iBump: iBumpBy=0;
iBumpY? iBumpByY=iBumpY: iBumpByY=0;
iNSBump? iNSBumpBy=iNSBump: iNSBumpBy=0;
iNSBumpY? iNSBumpByY=iNSBumpY: iNSBumpByY=0;

themenuStyle.left=ns6||ns4? e.pageX-e.layerX+iNSBumpBy : themenuoffsetX+event.clientX-event.offsetX-2+iBumpBy;
themenuStyle.top=ns6||ns4? e.pageY-e.layerY+iNSBumpByY : themenuoffsetY+event.clientY-event.offsetY-2+iBumpByY;

hiddenconst=(ns6||ie4)? "hidden" : "hide";
if (themenuStyle.visibility==hiddenconst){
	themenuStyle.visibility=(ns6||ie4)? "visible" : "show";
	themenuStyle.zIndex=zindex++;
} else {
	hidemenu();
}
return false;
}

function hidemenu(){
if ((ie4||ns6)&&window.themenu)
themenuStyle.visibility="hidden"
else if (ns4)
themenu.visibility="hide"
}

if (ie4||ns6)
document.onclick=hidemenu

//reusable/////////////////////////////

    // convert all characters to lowercase to simplify testing
    var agt=navigator.userAgent.toLowerCase();

    // *** BROWSER VERSION ***
    // Note: On IE5, these return 4, so use is_ie5up to detect IE5.
    var is_major = parseInt(navigator.appVersion);
    var is_minor = parseFloat(navigator.appVersion);

    // Note: Opera and WebTV spoof Navigator.  We do strict client detection.
    // If you want to allow spoofing, take out the tests for opera and webtv.
    var is_nav  = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1)
                && (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1)
                && (agt.indexOf('webtv')==-1));
    var is_gecko = (agt.indexOf('gecko')!=-1);
    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_major >= 4));
    var is_navonly      = (is_nav && ((agt.indexOf(";nav") != -1) ||
                          (agt.indexOf("; nav") != -1)) );
    var is_nav5 = (is_nav && (is_major == 5));
    var is_nav5up = (is_nav && (is_major >= 5));

    var is_ie   = (agt.indexOf("msie") != -1);
    var is_ie3  = (is_ie && (is_major < 4));
    var is_ie4  = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")==-1) );
    var is_ie4up  = (is_ie  && (is_major >= 4));
    var is_ie5  = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")!=-1) );
    var is_ie5up  = (is_ie  && !is_ie3 && !is_ie4);

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

    // *** JAVASCRIPT VERSION CHECK ***
    var is_js;
    if (is_nav2 || is_ie3) is_js = 1.0
    else if (is_nav3 || is_opera) is_js = 1.1
    else if ((is_nav4 && (is_minor <= 4.05)) || is_ie4) is_js = 1.2
    else if ((is_nav4 && (is_minor > 4.05)) || is_ie5) is_js = 1.3
    else if (is_nav5) is_js = 1.4
    // NOTE: In the future, update this code when newer versions of JS
    // are released. For now, we try to provide some upward compatibility
    // so that future versions of Nav and IE will show they are at
    // *least* JS 1.x capable. Always check for JS version compatibility
    // with > or >=.
    else if (is_nav && (is_major > 5)) is_js = 1.4
    else if (is_ie && (is_major > 5)) is_js = 1.3
    // HACK: no idea for other browsers; always check for JS version with > or >=
    else is_js = 0.0;

    // *** PLATFORM ***
    var is_win   = ( (agt.indexOf("win")!=-1) || (agt.indexOf("16bit")!=-1) );
    // NOTE: On Opera 3.0, the userAgent string includes "Windows 95/NT4" on all
    //        Win32, so you can't distinguish between Win95 and WinNT.
    var is_win95 = ((agt.indexOf("win95")!=-1) || (agt.indexOf("windows 95")!=-1));

    // is this a 16 bit compiled version?
    var is_win16 = ((agt.indexOf("win16")!=-1) ||
               (agt.indexOf("16bit")!=-1) || (agt.indexOf("windows 3.1")!=-1) ||
               (agt.indexOf("windows 16-bit")!=-1) );

    var is_win31 = ((agt.indexOf("windows 3.1")!=-1) || (agt.indexOf("win16")!=-1) ||
                    (agt.indexOf("windows 16-bit")!=-1));

    // NOTE: Reliable detection of Win98 may not be possible. It appears that:
    //       - On Nav 4.x and before you'll get plain "Windows" in userAgent.
    //       - On Mercury client, the 32-bit version will return "Win98", but
    //         the 16-bit version running on Win98 will still return "Win95".
    var is_win98 = ((agt.indexOf("win98")!=-1) || (agt.indexOf("windows 98")!=-1));
    var is_winnt = ((agt.indexOf("winnt")!=-1) || (agt.indexOf("windows nt")!=-1));
    var is_win32 = (is_win95 || is_winnt || is_win98 ||
                    ((is_major >= 4) && (navigator.platform == "Win32")) ||
                    (agt.indexOf("win32")!=-1) || (agt.indexOf("32bit")!=-1));

    var is_os2   = ((agt.indexOf("os/2")!=-1) ||
                    (navigator.appVersion.indexOf("OS/2")!=-1) ||
                    (agt.indexOf("ibm-webexplorer")!=-1));

    var is_mac    = (agt.indexOf("mac")!=-1);
    var is_mac68k = (is_mac && ((agt.indexOf("68k")!=-1) ||
                               (agt.indexOf("68000")!=-1)));
    var is_macppc = (is_mac && ((agt.indexOf("ppc")!=-1) ||
                                (agt.indexOf("powerpc")!=-1)));

    var is_sun   = (agt.indexOf("sunos")!=-1);
    var is_sun4  = (agt.indexOf("sunos 4")!=-1);
    var is_sun5  = (agt.indexOf("sunos 5")!=-1);
    var is_suni86= (is_sun && (agt.indexOf("i86")!=-1));
    var is_irix  = (agt.indexOf("irix") !=-1);    // SGI
    var is_irix5 = (agt.indexOf("irix 5") !=-1);
    var is_irix6 = ((agt.indexOf("irix 6") !=-1) || (agt.indexOf("irix6") !=-1));
    var is_hpux  = (agt.indexOf("hp-ux")!=-1);
    var is_hpux9 = (is_hpux && (agt.indexOf("09.")!=-1));
    var is_hpux10= (is_hpux && (agt.indexOf("10.")!=-1));
    var is_aix   = (agt.indexOf("aix") !=-1);      // IBM
    var is_aix1  = (agt.indexOf("aix 1") !=-1);
    var is_aix2  = (agt.indexOf("aix 2") !=-1);
    var is_aix3  = (agt.indexOf("aix 3") !=-1);
    var is_aix4  = (agt.indexOf("aix 4") !=-1);
    var is_linux = (agt.indexOf("inux")!=-1);
    var is_sco   = (agt.indexOf("sco")!=-1) || (agt.indexOf("unix_sv")!=-1);
    var is_unixware = (agt.indexOf("unix_system_v")!=-1);
    var is_mpras    = (agt.indexOf("ncr")!=-1);
    var is_reliant  = (agt.indexOf("reliantunix")!=-1);
    var is_dec   = ((agt.indexOf("dec")!=-1) || (agt.indexOf("osf1")!=-1) ||
           (agt.indexOf("dec_alpha")!=-1) || (agt.indexOf("alphaserver")!=-1) ||
           (agt.indexOf("ultrix")!=-1) || (agt.indexOf("alphastation")!=-1));
    var is_sinix = (agt.indexOf("sinix")!=-1);
    var is_freebsd = (agt.indexOf("freebsd")!=-1);
    var is_bsd = (agt.indexOf("bsd")!=-1);
    var is_unix  = ((agt.indexOf("x11")!=-1) || is_sun || is_irix || is_hpux ||
                 is_sco ||is_unixware || is_mpras || is_reliant ||
                 is_dec || is_sinix || is_aix || is_linux || is_bsd || is_freebsd);

    var is_vms   = ((agt.indexOf("vax")!=-1) || (agt.indexOf("openvms")!=-1));


function fCreateObjRef(objID,noStyle) {
	var theObj,i,j,tempObj ;
	aNavLayers=new Array();
	if (is_ie4up) {
		if((document.all[objID].style.position != 'absolute') && (document.all[objID].style.position != 'relative')){
			for (i=0 ; i < document.styleSheets.length; i++) {
				for (j=0 ; j < document.styleSheets(i).rules.length; j++) {
					if (document.styleSheets(i).rules(j).selectorText == '#' + objID) {
						if (noStyle == true) {
							theObj = document.styleSheets(i).rules(j);
						}
						else {
							theObj = document.styleSheets(i).rules(j).style;
						}
						break;
					}
				}
			}
		}
		else {
			if (noStyle == true) {
				theObj = document.all[objID];
			}
			else {
				theObj = document.all[objID].style;
			}
		}
	}
	else if(is_nav4) {
		aNavLayers = new Array();
		with (document) {
			for (i=0; i<layers.length; i++) aNavLayers[i]=layers[i]; {
				for (i=0; i<aNavLayers.length; i++) {
					if (aNavLayers[i].document && aNavLayers[i].document.layers) {
						for (j=0; j<aNavLayers[i].document.layers.length; j++) {
							aNavLayers[aNavLayers.length] = aNavLayers[i].document.layers[j];
						}
						if(aNavLayers[i].name == objID){
							theObj = aNavLayers[i];
						}
					}
				}
			}
		}
	}
	else if(is_nav5up) {

		tempObj = document.getElementById(objID);
		if (noStyle == true) {
			theObj = tempObj;
		}
		else {
			theObj = tempObj.style;
		}
	}
	return theObj;
}

    function showMenu(sLayerName,left,top) {
	    theLayer = fCreateObjRef(sLayerName,false);
	    theLayer.visibility = 'visible';
	    theLayer.top = top;
	    theLayer.left = left;
	}

    function hideLayer(sLayerName) {
	    theLayer = fCreateObjRef(sLayerName,false);
	    theLayer.visibility = 'hidden';
    }

    keepOn = true;

    function rollOff() {
    	keepOn = false;
    	setTimeout("hideAll()",1000);
    }

    function navOn(id, anchor,xOffset, yOffset) {
    	keepOn=false;
    	hideAll();
    	rollOver(1,id,"on");
   	if (!is_mac) {
    		xOffset = 0;
    	}
    	showMenu("dropmenu"+id,findPosX(anchor)+xOffset,findPosY(anchor)+yOffset);
    	keepOn=true;
  	
    }

    function navOff(id) {

	rollOff();
    }

function findPosX(obj)
{
	var curleft = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curleft += obj.offsetLeft
			obj = obj.offsetParent;
		}
	}
	else if (obj.x)
		curleft += obj.x;
	return curleft;
}

function findPosY(obj)
{
	var curtop = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curtop += obj.offsetTop
			obj = obj.offsetParent;
		}
	}
	else if (obj.y)
		curtop += obj.y;
	return curtop;
}