// 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) && (agt.indexOf('hotjava')==-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_nav6 = (is_nav && (is_major == 5));
var is_nav6up = (is_nav && (is_major >= 5));
var is_gecko = (agt.indexOf('gecko') != -1);


var is_ie     = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
var is_ie3    = (is_ie && (is_major < 4));
var is_ie4    = (is_ie && (is_major == 4) && (agt.indexOf("msie 4")!=-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_ie5_5  = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.5") !=-1));
var is_ie5up  = (is_ie && !is_ie3 && !is_ie4);
var is_ie5_5up =(is_ie && !is_ie3 && !is_ie4 && !is_ie5);
var is_ie6    = (is_ie && (is_major == 4) && (agt.indexOf("msie 6.")!=-1) );
var is_ie6up  = (is_ie && !is_ie3 && !is_ie4 && !is_ie5 && !is_ie5_5);

// 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_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_opera5up = (is_opera && !is_opera2 && !is_opera3 && !is_opera4);

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

var is_TVNavigator = ((agt.indexOf("navio") != -1) || (agt.indexOf("navio_aoltv") != -1)); 
var is_AOLTV = is_TVNavigator;

var is_hotjava = (agt.indexOf("hotjava") != -1);
var is_hotjava3 = (is_hotjava && (is_major == 3));
var is_hotjava3up = (is_hotjava && (is_major >= 3));

// *** JAVASCRIPT VERSION CHECK ***
var is_js;
if (is_nav2 || is_ie3) is_js = 1.0;
else if (is_nav3) is_js = 1.1;
else if (is_opera5up) is_js = 1.3;
else if (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_hotjava3up) is_js = 1.4;
else if (is_nav6 || is_gecko) is_js = 1.5;
// 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_nav6up) is_js = 1.5;
// NOTE: ie5up on mac is 1.4
else if (is_ie5up) 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));

var is_winme = ((agt.indexOf("win 9x 4.90")!=-1));
var is_win2k = ((agt.indexOf("windows nt 5.0")!=-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);
// hack ie5 js version for mac
if (is_mac && is_ie5up) is_js = 1.4;
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));



/*****************************************************************************************/
/******************************  Menu Popup Help  ****************************************/
/*****************************************************************************************/

function windowResized()
{
  showPopUp(lastOffset, lastEvt, lastID);
  return true;
}


var DH = 0;
var an = 0;
var al = 0;
var ai = 0;
var lastEvt = 0;
var lastID  = 0;
var lastOffset = 0;

if (document.getElementById) {
    ai = 1; 
    DH = 1;
}
else {
  if (document.all) {
    al = 1; 
    DH = 1;
  }
  else { 
    browserVersion = parseInt(navigator.appVersion);
    if ((navigator.appName.indexOf('Netscape') != -1) && (browserVersion == 4)) {
      an = 1; 
      DH = 1;
    }
  }
}

function fd(oi, wS) {
  if (ai) return wS ? document.getElementById(oi).style:document.getElementById(oi);
  if (al) return wS ? document.all[oi].style: document.all[oi]; 
  if (an) return document.layers[oi];
}

function pw() {
  return window.innerWidth != null? window.innerWidth: document.body.clientWidth != null? document.body.clientWidth:null;
}

function mouseX(evt) {
  
  if (evt.pageX) return evt.pageX; 
  else if (evt.clientX)return evt.clientX + (document.documentElement.scrollLeft ?  document.documentElement.scrollLeft : document.body.scrollLeft); 
  else return null;
}

function mouseY(evt) {
  if (evt.pageY) return evt.pageY; 
  else if (evt.clientY)return evt.clientY + (document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop); 
  else return null;
}

function hidePopUp(offset, evt,oi) {
  
  if (DH) {
    ds = fd(oi,1); 
    
    try {
	    ds.visibility = "hidden";
        
    }
  	catch(e) {
    }
  }
}

function showPopUp(offset, evt, oi) {
  
  var pageWidth = 773;
  var startingX = 0;
	var anchorX = [0, 0, 0, 0, 0];

	lastEvt = evt;
	lastID  = oi;
	lastOffset = offset;

	startingX = (document.body.clientWidth-775)/2;		
	
	if (startingX < 0)
	  startingX = 0;
	  
//  if (is_ie)
//	  anchorX = [1, 1, 1, 1, 1];

  if (DH) {
    var wp = pw(); 
    ds = fd(oi,1); 
    dm = fd(oi,0); 
    st = ds.visibility; 
    if (dm.offsetWidth) ew = dm.offsetWidth; 
    else if (dm.clip.width) ew = dm.clip.width; 
    
		try {
			lv = evt.target.x;
			tv = evt.target.y + evt.target.height ;
			lv = startingX;

			if (lv!=Math.floor(lv))
			{
				if (is_nav)
					lv = Math.floor(lv + .5);
			}
		}

		catch(e) {
		 tv = mouseY(evt) + 20; 
		 tv = startingY;
		 lv = mouseX(evt) - (ew/4); 
		 if (document.body.clientWidth > pageWidth)
		   startingX = (document.body.clientWidth - pageWidth) / 2;
		 lv = startingX + anchorX[offset - 1];

		 if (lv!=Math.floor(lv))
		 {
			 if (is_ie)
		  	 lv = Math.floor(lv);
		   else
		  	 lv = Math.floor(lv - .5);
		 }
		}
		
		
		if (lv < 2) lv = 2; 
		else if (lv + ew > wp) lv -= ew/2; 
		
		if (!an) {
		lv += 'px';
		tv += 'px';
		} 
		ds.visibility = "hidden";
		ds.left = lv;
		ds.top = tv;
		ds.visibility = "visible";
  }
}

/*****************************************************************************************/
/****************************  Menu Popup Help End  **************************************/
/*****************************************************************************************/


/*****************************************************************************************/
/*****************************  Rollover Beginning  **************************************/
/*****************************************************************************************/

function popUp(url) {
	sealWin=window.open(url,"win",'toolbar=0,location=0,directories=0,status=1,menubar=1,scrollbars=1,resizable=1,width=500,height=450');
	self.name = "mainWin";	
} 

function imgRollImage (obj, src)
{
  obj.src = src;
}

/*****************************************************************************************/
/********************************  Rollover End  *****************************************/
/*****************************************************************************************/

/*****************************************************************************************/
/******************************  EStore beginning  ***************************************/
/*****************************************************************************************/

function SetCheckedValue (form, fieldname)
{
	  
		if (document.getElementById(fieldname + 'Dummy').checked)
		  document.getElementById(fieldname).value = '1';
		else
		  document.getElementById(fieldname).value = '0';
		
		return true;
}

function CaseSizeMustBeMultipleOf(CaseSize,Multiple) {
  dCaseSize = parseFloat(CaseSize.value);
  
  if (isNaN(dCaseSize)) { // to prevent focus looping between old, and new fields 
    return true;
  }
  if (dCaseSize == 0) {
    return true;
  }
  if (dCaseSize % Multiple == 0) {
    return true;
  } else {
    alert("Invalid case size, next larger case size would be " +  (dCaseSize - (dCaseSize % Multiple) + Multiple) );
    CaseSize.select();
    CaseSize.focus();
    return false;
  }
}
/*****************************************************************************************/
/**********************************  EStore End  *****************************************/
/*****************************************************************************************/